58
Reference Colour Tags contents MK2200 MK1000A MK233A MK234A MK203A MK204A MK231A MK232A MK201A MK202A MK300A / 300EA MK330A MK301A / 302A / 301E DIN330 DIN310 / 310E DIN300 / 300E ZCT40S / 60S / 80S / 120S MU2300 MU250 / 150 RPR415 MX200A / 180A / 160A MX100 / 50 PFR140 / 120 / 80 / 60 PFR96 / PFR96P AN112 / 120 DVM DAM Combined Overcurrent & Earth Fault Relay Overcurrent Relay Earth Fault Relay Earth Leakage Relay Voltage Relay MPR500 Motor Protection Relay Reverse Power Relay Voltage & Current Control Relay Power Factor Regulator Annunciator Volt & Amp Meter

contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Embed Size (px)

Citation preview

Page 1: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

ReferenceColour Tags

contents

MK2200MK1000A

MK233AMK234AMK203AMK204A

MK231AMK232AMK201AMK202A

MK300A / 300EAMK330AMK301A / 302A / 301EDIN330DIN310 / 310EDIN300 / 300EZCT40S / 60S / 80S / 120S

MU2300MU250 / 150

RPR415

MX200A / 180A / 160AMX100 / 50

PFR140 / 120 / 80 / 60PFR96 / PFR96P

AN112 / 120

DVMDAM

Combined Overcurrent &Earth Fault Relay

Overcurrent Relay

Earth Fault Relay

Earth Leakage Relay

Voltage Relay

MPR500Motor Protection Relay

Reverse Power Relay

Voltage & CurrentControl Relay

Power Factor Regulator

Annunciator

Volt & Amp Meter

Page 2: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Print Edition September 2009

( 423468-T )

No.1 Jalan TP 7/7, Sime UEP Industrial Park, 40400 Shah Alam, Selangor, Malaysia.Website: www.itmikro.com Tel: +60-3-5192-7155 Fax: +60-3-5192-7166

Mikro® reserves the right to make changes without further notice to any products herein to improve reliability, function or design. The figures shown are without obligation.

Page 3: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Functions

1 Phase Overcurrent ProtectionWhen the phase current exceeds the low-set I> setting value, the overcurrent low-set element starts and delivers a start signal to the display panel and a group of preassigned relay outputs. After a delay time, determined by the inverse time current characteristic curve selected and the measured current or by definite time t>, this overcurrent element operates and delivers a trip signal to the display panel and a group of relay outputs that are configured to link to the low-set phase overcurrent tripping.

When the phase current exceeds the high-set I>> setting value, the overcurrent high-set element starts and delivers a start signal to the display panel and a group of preassigned relay outputs. After a preset time, determined by t>>, this overcurrent element operates and delivers a trip signal to the display panel and a group of relay outputs that are configured to link to high-set phase overcurrent tripping.

2 Earth-Fault ProtectionWhen the earth-fault current exceeds the low-set Io> setting value, the earth-fault low-set element starts and delivers a start signal to the display panel and a group of preassigned relay outputs. After a delay time, determined by the inverse time current characteristic curve selected and the measured current or by definite time to>, this earth-fault element operates and delivers a trip signal to the display panel and a group of relay outputs that are configured to link to the low-set earth-fault tripping.

When the earth-fault current exceeds the high-set Io>> setting value, the earth-fault high-set element starts and delivers a start signal to the display panel and a group of preassigned relay outputs. After a preset time, determined by to>>, this earth-fault element operates and delivers a trip signal to the display panel and a group of relay outputs that are configured to link to high-set earth-fault tripping.

Introduction

The MK2200 combined overcurrent and earth-fault relay is a digital microprocessor based relay. This relay employs extensive advance numerical techniques implemented in real-time, for the computation of measured input quantity. Other advance features include programmable control output, metering and fault data recording.

Application

The MK2200 combined overcurrent and earth-fault relay is used where time graded overcurrent and earth fault protection is required.

Features• Multifunction numerical relay

• Three-phase, low-set and high-set phase overcurrent

• Two sets of low-set and high-set setting for phase overcurrent

• Low-set and high-set earth fault

• Two sets of low-set and high-set setting for earth fault

• Circuit breaker failure protection

• Four selectable IDMT characteristic curves

• Definite time for low-set and high-set

• Numeric display of phase and earth fault currents

• Display of relay settings

• 9 non- volatile records of previous trip-ping currents

• Recording of relay start time

• Highly flexible programmable relay outputs

• Multifunction external digital input

• Isolated RS485 Modbus - RTU communication

• Selectable50Hz/60Hz

Com

bine

d Ov

ercu

rrent

& Ea

rth Fa

ult R

elay

MK2

200

MK2200

Page 4: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

3 Low-set Characteristic CurvesThe inverse definite minimum time (IDMT) characteristic curves in MK2200 comply with BS142-3 and IEC60255-3. The selectable curves and characteristics are:•Normalinverse •Veryinverse•Extremelyinverse •Long-timeinverse•Definitetime

4 High-set CharacteristicThe high-set is selectable between definite time and instantaneous tripping characteristic.

5 External Binary InputThe functions of the external binary input are:• Blockingtheoperationofoneormore protection stages.• Remotetripreset.• Changingofprotectiongroupsettings.• Tr ippingtheMK2200byan

external device.

6 Relay OutputThere are five relay outputs that can be programmed to respond to the relay start signal, the trip signal, or both the start and trip signals. The sixth relay output functions as internal relay failure indicator.

7 ConfigurationThe configuration of the relay is accomplished by software switches settable by the user from the front panel.

8 Metering and Fault RecordThis function enables the values of the phase current and the earth-fault current to be viewed by the user. In addition, the user can also views the measured values of the phase current and earth-fault current recorded at the moment of fault for the previous 9 fault records stored in non-volatile memory.

Technical Data

INPUTS Measuring input: Rated current In : 1 A or 5 ARatedfrequency :50or60HzThermal withstand : 4 x In continuous 25 x In for less than 10 sec 100 x In for less than 1 secBurden : < 0.3VA at In

Rated auxiliary voltage:Model MK2200-150D : 24~150 V DCModel MK2200-240A : 198~265 V ACModel MK2200-240AD : 85~265 V AC

110~340 V DC

Power consumption:AC auxiliary voltage : 6 ~ 10 VA typicalDC auxiliary voltage : 5 ~ 9 W typical

Binary Input:External binary input : 18 ~ 265 V DC 85 ~ 265 V AC

Tests And StandardsHigh voltage dielectric withstand test IEC60255-5 2.0 KV rms, 1 minHigh voltage impulse test IEC60255-5 5 KV, 1.2/50msElectrical fast transient IEC61000-4-4, Level 4, power supply inputs 4 KV, 5/50nsElectrical fast transient IEC61000-4-4, Level 4, other inputs 2 KV, 5/50nsElectrostatic discharge IEC61000-4-2, Class III, air discharge 8 KVElectrostatic discharge IEC61000-4-2, Class III, contact discharge 6 KV1MHzBurstDisturbanceIEC60255-22-1 2KVCommonmode 1 KV Differential modeMains conducted disturbance voltage EN 55011 Group 1 Class BRadiated EM Field emission CISPR 11 Group 1 Class BEnclosure protection when panel mounted IP54

OUTPUTS5 programmable contacts +1 IRF contact:Rated voltage : 250 V AC/DCContinuous carry : 5 AMake and carry for 0.2 s : 30 A

Contact specification:Expected electrical life : 100,000 operationsExpected mechanical life : 5 x 106 operations

ACCURACYProtection thresholds : ± 3%Time delay : ± 2% with a minimum

of 30 msMeasurements : ± 3%Reset ratio : 95% typicalOvershoot time : less than 30 ms typical

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

EARTH-FAULT ELEMENTLow-set setting I o> : 0.05 ~ 1.0 x In , step 0.01High-set setting I o>> : 0.05 ~ 10.0 x In , step 0.05Time multiplier kt o> : 0.02 ~ 1.0 , step 0.01Low set definite time t o> : 0 ~ 300 s 0 ~ 10.0s : step 0.01High set definite time t o>> : 0 ~ 300 s 10.0 ~ 100s : step 0.1 100 ~ 300s : step 1

OVERCURRENT ELEMENTLow-set setting I > : 0.10 ~ 2.50 x In , step 0.01High-set setting I >> : 0.10 ~ 40 x In , step 0.05 ( 0.1 ~ 10 In ), step 0.1 ( 10 ~ 40 In )Time multiplier kt > : 0.02 ~ 1.0 , step 0.01Low set definite time t > : 0 ~ 300 s 0 ~ 10.0s : step 0.01High set definite time t >> : 0 ~ 300 s 10.0 ~ 100s : step 0.1 100 ~ 300s : step 1COMMUNICATIONRS485 Modbus - RTU

Com

bine

d Ov

ercu

rrent

& Ea

rth Fa

ult R

elay

MK2

200

Page 5: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

1 100.1

1

10

0.05

0.1

0.2

0.3

0.40.50.60.70.80.91.0

20

k

t/s

I/I > 1 100.01

0.1

1

10

0.05

0.1

0.2

0.30.40.50.60.81.0

20

k

t/s

I/I >

1 100.01

0.1

1

10

100

0.05 0.1 0.2

0.30.40.50.60.81.0

20

k

t/s

I/I > 1 100.1

1

10

100

0.05

0.1

0.2

0.30.40.50.60.81.0

20

200

k

t/s

I/I >

NORMAL INVERSE VERY INVERSE

LONG-TIME INVERSE EXTREMELY INVERSE

Com

bine

d Ov

ercu

rrent

& Ea

rth Fa

ult R

elay

MK2

200

Page 6: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

142 mm

165

mm

Front

129 1 mm

139

1 m

m

Panel Cutout

198 mm

34 mm

136

mm

Side

L1L2L3

Trip ContactR1

R2

R3

R4

R5

InternalRelayFailure

Termination ResistorN-

P+CommunicationCable Shield

RS485

ExternalBinary

Input

Auxiliaryinput Uaux

1 343635

3837

4039

4241

2726

28302922

23

24

25

2

3

45

6

78

9

1011

COM5 A

COM5 A

COM

1 A

1 A

1 A

5 A

COM

1 A

5 A

12

32

31

33

13

14

TYPICAL APPLICATION DIAGRAM 1

TYPICAL APPLICATION DIAGRAM 2

CASE DIMENSIONS

L2L1

L3N

Trip ContactR1

R2

R3

R4

R5

InternalRelayFailure

Termination ResistorN-

P+CommunicationCable Shield

RS485

ExternalBinary

Input

Auxiliaryinput Uaux

1 343635

3837

4039

4241

2726

28302922

23

24

25

2

3

45

6

78

9

1011

COM5 A

COM5 A

COM

1 A

1 A

1 A

5 A

COM

1 A

5 A

12

32

31

33

13

14

Com

bine

d Ov

ercu

rrent

& Ea

rth Fa

ult R

elay

MK2

200

Ordering Information

MK2200-150D For50/60Hzsystem,auxiliaryvoltage24~150VDCMK2200-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK2200-240AD For50/60Hzsystem,auxiliaryvoltage84~265VAC

or 110 ~ 340 V DC

MODEL DESCRIPTION

Page 7: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Features• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Three-phase, low-set overcurrent

• Three-phase, high-set overcurrent

• Low-set earth-fault

• High-set earth-fault

• Definite time for low-set and high-set

• Five selectable IDMT characteristic curves

• Local display of measured and set values

• Programmable relay outputs

• Non-volatile fault values recording

• Complies with IEC 60255-26 standard

SETTING RANGES

i ) Overcurrent elementsLow-set ( I > ) : 0.5 A to 10.0 A,

step 0.05 A : 10% to 200%,

step 1%Low-set time multiplier ( kt >): 0.05 to 1.0,

step 0.01Low-set definite time ( t > ) : 0.05 to 99s High-set ( I >> ) : 0.5 A to 99.9 A,

step 0.10 A or disable

: 10% to 1998%, step 2%

High-set delay time ( t >> ) : 0.05 sec to 2.5 sec, step 0.01

ii ) Earth-fault elementLow-set ( I o > ) : 0.10 A to 5.0 A,

step 0.05 A : 2% to 100%Low-set time multiplier(kt o>): 0.05 to 1.0,

step 0.01Low-set definite time ( t o > ) : 0.05 to 99sHigh-set ( I o >> ) : 0.10 A to 50 A,

step 0.10 A or disable

: 2% to 1000%, step 2%

High-set delay time ( t o >> ) : 0.05 sec to 2.5 sec, step 0.01

Technical Data

RATINGSRated current ( In ) : 5 ARatedfrequency :50or60HzBurden : < 0.3 VA at InThemal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK1000A-240A(6) : 198 ~ 265 V ACModel MK1000A-240AD(6) : 85 ~ 265 V AC 110 V DC ~ 370 V DCModel MK1000A-150D(6) : 24 ~ 150 V DCSupplyfrequency : 50or60HzV A rating : 3 VA typical

ACCURACYProtection thresholds : ± 5%Time delay : ± 5% with a

minimum of 50 ms

CONTACTSTrip Contacts ( R1 & R2 )Rated voltage : 250V AC/DCContacts arrangement : Change-overContact rating : 5 AContact material : Silver alloyExpected electrical life : 100,000 operations at

rated currentExpected mechanical life : 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : 7-segment display

and red indicators

MECHANICALMounting : Panel mountingFront panel : Standard DIN

96 mm x 96 mmApproximate weight : 0.75 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

Com

bine

d Ov

ercu

rrent

& Ea

rth Fa

ult R

elay

MK1

000A

MK1000A

Page 8: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

NORMAL INVERSE 1.3/10

VERY INVERSE

MK1000A

R1 R2

COM NC NOCOMNCNO

62 3 4 5

9 10 11 12 13 14

7

15

8

16

1

AuxNL

L1

L2

L3

N

TYPICAL APPLICATION DIAGRAM

96 mm

110 mm100 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

Ordering Information

Com

bine

d Ov

ercu

rrent

& Ea

rth Fa

ult R

elay

MK1

000A

NORMAL INVERSE

MK1000A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK1000A-240AD For50Hzsystem,auxiliaryvoltage85~265VACor110~370VDCMK1000A-150D For50Hzsystem,auxiliaryvoltage24~150VDCMK1000A-240AD6 For60Hzsystem,auxiliaryvoltage85~265VACor110~370VDCMK1000A-150D6 For60Hzsystem,auxiliaryvoltage24~150VDC

MODEL DESCRIPTION

LONG TIME INVERSE

EXTREMELY INVERSE

Page 9: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical DataRATINGSRated current ( In ) : 5 ARatedfrequency :50or60HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK233A-240A (6) : 198 ~ 265 V ACModel MK233A-110A (6) : 94 ~ 127 V ACSupplyfrequency :50or60HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 0.5 A to 6.0 A, step 0.05 A / 10% to 120%, step 1%Low-set time multiplier ( kt > ) : 0.05 to 1.0, step 0.01Low-set definite time (t >) : 0.05 to 99 sec, step 0.01 (0.05 to 1.0) / 0.1 (1.1 to 99)High-set ( I >> ) : 0.5 A to 99.9 A or disable, step 0.10 A / 10% to 1998%, step 2%High-set delay time ( t >> ) : 0.05 sec to 2.5 sec, step 0.01

ACCURACYProtection thresholds : ± 5%Time delay : ± 5% with a minimum of 50 ms

CONTACTS ( R1 & R2 )Contact arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : 7-segment display and red indicators

MECHANICALMounting : Panel mountingFront panel : Standard DIN 96 mm x 96 mmApproximate weight : 0.7 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

• Definite time for low-set and high-set

• Non-volatile fault value recording

• Programmable relay outputs

• Five selectable IDMT characteristic curves

• Complies with IEC 60255-26 standard

Over

curre

nt R

elay

MK2

33A

Features• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Three-phase, low-set overcurrent

• Three-phase, high-set overcurrent

• Local display of measured and set values

MK233A

Page 10: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Aux

62 3 4 5

L

R1 R2

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO NC COM NC NO

16

1

MK 233A

Ordering Information

MK233A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK233A-110A For50Hzsystem,auxiliaryvoltage94~127VACMK233A-240A6 For60Hzsystem,auxiliaryvoltage198~265VACMK233A-110A6 For60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Over

curre

nt R

elay

MK2

33A

NORMAL INVERSE 1.3/10

VERY INVERSE

TYPICAL APPLICATION DIAGRAM

96 mm

110 mm100 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

NORMAL INVERSE LONG TIME INVERSE

EXTREMELY INVERSE

Page 11: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical DataRATINGSRated current ( In ) : 5 ARatedfrequency :50or60HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK234A-240A(6) : 198 ~ 265 V ACModel MK234A-110A(6) : 94 ~ 127 V ACSupplyfrequency :50or60HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 0.5 A to 6.0 A, step 0.05 A / 10% to 120%, step 1%Low-set definite time ( t > ) : 0.05 to 99 sec, step 0.01 (0.05 to 1.0) / 0.1 (1.1 to 99)High-set ( I >> ) : 0.5 A to 99.9 A or disable, step 0.10 A / 10% to 1998%, step 2% High-set delay time ( t >> ) : 0.05 sec to 2.5 sec, step 0.01

ACCURACYProtection thresholds : ± 5%Time delay : ± 5% with a minimum of 50 ms

CONTACTS ( R1 & R2 )Contact arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : 7-segment display and red indicators

MECHANICALMounting : Panel mountingFront panel : Standard DIN 96 mm x 96 mmApproximate weight : 0.7 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

• Definite time for low-set and high-set

• Non-volatile fault value recording

• Programmable relay outputs

• Complies with IEC 60255-26 standard

Over

curre

nt R

elay

MK2

34A

Features• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Three-phase, low-set overcurrent

• Three-phase, high-set overcurrent

• Local display of measured and set values

MK234A

Page 12: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Aux

62 3 4 5

L

R1 R2

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO NC COM NC NO

16

1

MK 234A

96 mm

110 mm100 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

TYPICAL APPLICATION DIAGRAM

Ordering Information

MK234A-240A For50Hzsystem,auxiliarysupply198~265VACMK234A-110A For50Hzsystem,auxiliarysupply94~127VACMK234A-240A6 For60Hzsystem,auxiliarysupply198~265VACMK234A-110A6 For60Hzsystem,auxiliarysupply94~127VAC

MODEL DESCRIPTION

Over

curre

nt R

elay

MK2

34A

Page 13: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Ove

rcurre

nt R

elay

Technical DataRATINGSRated current ( In ) : 5 ARatedfrequency :50HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK203A-240A : 198 ~ 265 V ACModel MK203A-110A : 94 ~ 127V ACSupplyfrequency :50HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 2.0 A to 6.0 A : 40% to 120%Time multiplier ( TM ) : 0.05 to 1.0High-set ( I >> ) : I > to 10 x I > or disableHigh-set delay time (t >>) : Instantaneous

TIME CURRENT CHARACTERISTIC CURVE- Normal Inverse

CONTACTSTrip contact (R1) : Manual reset typeContact Arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at

rated currentExpected mechanical life: 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : Red indicator

PERFORMANCEAdjustable accuracy : Less than ±5%.Repeatability : Less than 0.5% of full scale.

MECHANICALMounting : Panel mountingFront panel : Standard DIN

96 mm x 96 mmApproximate weight : 0.7 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and

40˚C non-condensing

Features

• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set inverse definite minimum time ( IDMT ) relay

• High-set instantaneous relay

• Separate low-set and high-set trip indicators

• Option to disable high-set relay

• Front panel access to test function

• Complies with IEC 60255-26 standard

MK2

03A

MK203A

Page 14: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Over

curre

nt R

elay

Aux

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO NC

16

1

MK 203A

TYPICAL APPLICATION DIAGRAM

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO

AUX AUXMK 203A

NC

16

1 62 3 4 5

L N

9 10 11 12 13 14

7

15

8

COMNO

MK 202A

NC

16

1

R1

COMBINED IDMT OVERCURRENT & EARTH FAULT RELAYS

96 mm

Front

96 m

m

110 mm100 mm

Side

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

CASE DIMENSIONS

MK2

03A

Ordering Information

MK203A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK203A-110A For50Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

NORMAL INVERSE

Page 15: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Ove

rcurre

nt R

elay

MK2

04A

Technical Data

RATINGSRated current ( In ) : 5 ARatedfrequency :50HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK204A-240A : 198 ~ 265 V ACModel MK204A-110A : 94 ~ 127V ACSupplyfrequency :50HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 2.0 A to 6.0 A : 40% to 120%Time multiplier ( TM ) : 0.05 to 1.0High-set ( I >> ) : I > to 10 x I > or disableHigh-set delay time (t >>) : Instantaneous

CONTACTSTrip contact (R1) : Manual reset typeContact Arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at

rated currentExpected mechanical life: 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : Red indicator

PERFORMANCEAdjustable accuracy : Less than ±5%.Repeatability : Less than 0.5% of full scale.

MECHANICALMounting : Panel mountingFront panel : Standard DIN

96 mm x 96 mmApproximate weight : 0.7 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and

40˚C non-condensing

MK204A Features

• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set inverse definite time relay (IDT)

• High-set instantaneous relay

• Separate low-set and high-set trip indicators

• Option to disable high-set relay

• Front panel access to test function

• Complies with IEC 60255-26 standard

Page 16: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Aux

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO NC

16

1

MK 204A

TYPICAL APPLICATION DIAGRAM

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO

AUX AUXMK 204A

NC

16

1 62 3 4 5

L N

9 10 11 12 13 14

7

15

8

COMNO

MK 201A

NC

16

1

R1

COMBINED OVERCURRENT & EARTH FAULT RELAYS

96 mm

Front

96 m

m

110 mm100 mm

Side

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

CASE DIMENSIONS

Over

curre

nt R

elay

MK2

04A

Ordering Information

MK204A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK204A-110A For50Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

1.0

k

0.90.80.70.60.50.4

0.3

0.2

0.1

t/s

10

1

0.11 10 20 I/I>

IDT INVERSE

Page 17: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical DataRATINGSRated current ( In ) : 5 ARatedfrequency :50or60HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK231A-240A (6) : 198 ~ 265 V ACModel MK231A-110A (6) : 94 ~ 127 V ACSupplyfrequency :50or60HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 0.1 A to 5.0 A, step 0.05 A / 2% to 100%, step 1%Low-set definite time ( t > ) : 0.05 to 99 sec, step 0.01 (0.05 to 1.0) / 0.1 (1.1 to 99)High-set ( I >> ) : 0.1 A to 50 A or disable, step 0.1 A / 2% to 1000%, step 2%High-set delay time ( t >> ) : 0.05 sec to 2.5 sec, step 0.01

ACCURACYProtection thresholds : ± 5%Time delay : ± 5% with a minimum of 50 ms

CONTACTS ( R1 & R2 )Contact arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : 7-segment display and red indicators

MECHANICALMounting : Panel mountingFront panel : Standard DIN 96 mm x 96 mmApproximate weight : 0.6 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

• Definite time for low-set and high-set

• Non-volatile fault value recording

• Programmable relay outputs

• ComplieswithIEC60255-26standard

Features• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set earth-fault

• High-set earth-fault

• Local display of measured and set values

MK231A

Earth

Faul

t Rel

ayM

K231

A

Page 18: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Aux

62 3 4 5

L

R1 R2

N

9 10 11 12 13 14

7

15

8

COMNO NC COM NC NO

16

1

MK 231A

L1

L2

L3

N

96 mm

110 mm100 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

TYPICAL APPLICATION DIAGRAM

Ordering Information

MK231A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK231A-110A For50Hzsystem,auxiliaryvoltage94~127VACMK231A-240A6 For60Hzsystem,auxiliaryvoltage198~265VACMK231A-110A6 For60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Earth

Faul

t Rel

ayM

K231

A

Page 19: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical DataRATINGSRated current ( In ) : 5 ARatedfrequency :50or60HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK232A-240A (6) : 198 ~ 265 V ACModel MK232A-110A (6) : 94 ~ 127 V ACSupplyfrequency :50or60HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 0.1 A to 5.0 A, step 0.05 A / 2% to 100%, step 1%Low-set time multiplier ( kt > ) : 0.05 to 1.0, step 0.01Low-set definite time (t >) : 0.05 to 99 sec, step 0.01 (0.05 to 1.0) / 0.1 (1.1 to 99) High-set ( I >> ) : 0.1 A to 50 A or disable, step 0.1 A / 2% to 1000%, step 2%High-set delay time ( t >> ) : 0.05 sec to 2.5 sec, step 0.01

ACCURACYProtection thresholds : ± 5%Time delay : ± 5% with a minimum of 50 ms

CONTACTS ( R1 & R2 )Contact arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : 7-segment display and red indicators

MECHANICALMounting : Panel mountingFront panel : Standard DIN 96 mm x 96 mmApproximate weight : 0.6 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

• Definite time for low-set and high-set

• Non-volatile fault value recording

• Programmable relay outputs

• Five selectable IDMT characteristic curves

• Complies with IEC 60255-26 standard

Earth

Faul

t Rel

ayM

K232

A

Features• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set earth-fault

• High-set earth-fault

• Local display of measured and set values

MK232A

Page 20: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Earth

Faul

t Rel

ayM

K232

A

Ordering Information

MK232A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK232A-110A For50Hzsystem,auxiliaryvoltage94~127VACMK232A-240A6 For60Hzsystem,auxiliaryvoltage198~265VACMK232A-110A6 For60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Aux

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO NC COM NC NO

16

R2

1

MK 232A

NORMAL INVERSE 1.3/10

VERY INVERSE

TYPICAL APPLICATION DIAGRAM

96 mm

110 mm100 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

NORMAL INVERSE 3/10 LONG TIME INVERSE

EXTREMELY INVERSE

Page 21: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

RATINGSRated current ( In ) : 5 ARatedfrequency :50HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous AUXILIARY SUPPLYModel MK201A-240A : 198 ~ 265 V AC Model MK201A-110A : 94 ~ 127 V AC Supplyfrequency :50HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 0.1 A to 2.0 A : 2% to 40%Low-set delay time(DELAY): 0.05 sec to 1.0 secHigh-set ( I >> ) : I > to 10 x I > or

disableHigh-set delay time ( t >> ) : Instantaneous

CONTACTSTrip contact (R1) : Manual reset typeContact Arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life: 100,000 operations at

rated currentExpected mechanical life: 5 x 106 operations

INDICATORSAuxiliary supply : Green indicatorPick-up : Red indicatorTrip : Red indicator

Features

• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set definite time relay

• High-set instantaneous relay

• Separate low-set and high-set indicators

• Option to disable the high-set relay

• Front panel access to the test function

• ComplieswithIEC60255-26standard

PERFORMANCEAdjustable accuracy : Less than ±5%Repeatability : Less than 0.5% of

full scale

MECHANICALMounting : Panel mountingFront panel : Standard DIN

96 mm x 96 mmApproximate weight : 0.6 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and

40˚C non-condensing

MK201A

Earth

Faul

t Rel

ayM

K201

A

Page 22: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Aux

62 3 4 5

L

R1

N

9 10 11 12 13 14

7

15

8

COMNO NC

16

1

MK 201A

L1

L2

L3

N

TYPICAL APPLICATION DIAGRAM

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO

AUX AUXMK 204A

NC

16

1 62 3 4 5

L N

9 10 11 12 13 14

7

15

8

COMNO

MK 201A

NC

16

1

R1

COMBINED OVERCURRENT & EARTH FAULT RELAYS

96 mm

Front

96 m

m

90 mm70 mm

Side

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

CASE DIMENSIONS

Ordering Information

MK201A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK201A-110A For50Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Earth

Faul

t Rel

ayM

K201

A

Page 23: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Earth

Faul

t Rel

ay

Technical Data

RATINGSRated current ( In ) : 5 ARatedfrequency :50HzBurden : < 0.3 VA at InThermal withstand : 4 x In continuous

AUXILIARY SUPPLYModel MK202A-240A : 198 ~ 265 V ACModel MK202A-110A : 94 ~ 127V ACSupplyfrequency :50HzVA rating : 3 VA typical

SETTING RANGESLow-set ( I > ) : 0.1A to 2.0 A : 2% to 40%Time multiplier ( TM ) : 0.05 to 1.0High-set ( I >> ) : I > to 10 x I > or disableHigh-set delay time (t >>) : Instantaneous

TIME CURRENT CHARACTERISTIC CURVE- Normal Inverse

CONTACTSTrip contact (R1) : Manual reset typeContact Arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life: 100,000 operations at

rated currentExpected mechanical life: 5 x 106 operations

INDICATORAuxiliary indicator : Green indicatorPick-up : Red indicatorTrip : Red indicator

PERFORMANCEAdjustable accuracy : Less than ±5%.Repeatability : Less than 0.5% of full scale.

MECHANICALMounting : Panel mountingFront panel : Standard DIN

96 mm x 96 mmApproximate weight : 0.6 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and

40˚C non-condensing

MK202A Features

• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set inverse definite minimum time ( IDMT ) relay

• High-set instantaneous relay

• Separate low-set and high-set trip indicators

• Option to disable high-set element

• Front panel access to test function

• ComplieswithIEC60255-26standard

MK2

02A

Page 24: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Earth

Faul

t Rel

ay

Aux

62 3 4 5

L

R1

N

9 10 11 12 13 14

7

15

8

COMNO NC

16

1

MK 202A

L1

L2

L3

N

TYPICAL APPLICATION DIAGRAM

62 3 4 5

L

R1

N

L1

L2

L3

N

9 10 11 12 13 14

7

15

8

COMNO

AUX AUXMK 203A

NC

16

1 62 3 4 5

L N

9 10 11 12 13 14

7

15

8

COMNO

MK 202A

NC

16

1

R1

COMBINED IDMT OVERCURRENT & EARTH FAULT RELAYS

96 mm

Front

96 m

m

90 mm70 mm

Side

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

CASE DIMENSIONS

Ordering Information

MK202A-240A For50Hzsystem,auxiliaryvoltage198~265VACMK202A-110A For50Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

IDMT NORMAL INVERSE

MK2

02A

Page 25: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

MK300A/300EA

TRIPCONTACT

62 3 4 5 71

9 11 12 13 14 15

LNAUX

8

1610

LOAD

SHUNTTRIP

L1 L2 L3 N PE

MIKROZCT

MK300A

COMNONC

The EARTH wire must not pass through the ZCT

Features for MK300A / 300EA

• Numerical earth leakage relay

• Programmable current sensitivity and time delay

• Detection of no connection to ZCT

• Relay trip indicator

• Relay alarm indicator

• Real-time leakage current display

• 50% pre-fault indicator

• Leakage fault current recording

• Standard DIN 96x96mm panel mounting

• Protected against nuisance trippingE

Features for MK300EA only

• Positivesafetyoutputcontact

• Pre-faultalarmcontact

• Remoteresetfunction

TYPICAL APPLICATION DIAGRAM For MK300A

TYPICAL APPLICATION DIAGRAM For MK300EA

Earth

Leak

age R

elay

MK3

00A

& M

K300

EA

MK300A

MK300EA

TRIPCONTACT

62 3 4 5 71

9 11 12 13 14 15

LNAUX

8

1610

POSITIVE SAFETY CONTACT

LOAD

COM

L1 L2 L3 N PE

MK300EA

ALARMCONTACT

REMOTE RESET

CONTACTOR

MIKROZCT

NONCCOMNONC COMNO

The EARTH wire must not pass through the ZCT

Page 26: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

AUXILIARY SUPPLYModel MK300A / 300EA -230A : 184 ~ 276 V ACModel MK300A / 300EA -110A : 94 ~ 127 V ACRatedfrequency :50HzVA rating : 3 VA typical

SETTINGSensitivity adjustment : 30mA, 50mA, 0.10~1.00A (Step=50mA) 1.00~10.0A (Step=1.00A)Time delay adjustment : Instantaneous, 0.1~3.0sec (Step=0.1s)

RECORDFault record : 3 latest tripped fault currents or “tSt” for manual test tripStorage : Non-volatile memory

INPUT Remote Test / Reset Inputs : N.O. dry contact *

OUTPUTS Trip contact : Activated during leakage trip, manual test trip or ZCT connection errorPositive safety contact* : Activated when power-up and relay function correctlyAlarm contact* : Activated when measured leakage current exceeded 50% of IΔn. CONTACTSContact arrangement : Change-overContact rating : 5A(NO) / 3A(NC) / 250V AC1Expected electrical life : 10,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSPre-fault alarm : Red indicator (Normal blink)Time delay : Red indicator (Fast blink)Leakage trip : 7-segment display and red indicatorZCT connection error : 7-segment display and red indicatorReal-time leakage current : 7-segment display

ZERO - PHASE CURRENT TRANSFORMERTo operate with Mikro’s ZCT series of current transformer

MECHANICAL Mounting method : Panel mountingFront panel : Standard DIN 96mm x 96mmApproximate weight : 0.58kg (excluding ZCT)

* Applicable to MK 300EA series only

96 mm

90 mm70 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

Ordering Information

MK300A-230A For50Hzsystem,auxiliaryvoltage184~276VACMK300EA-230A For50Hzsystem,auxiliaryvoltage184~276VACMK300A-110A For50Hzsystem,auxiliaryvoltage94~127VACMK300EA-110A For50Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

Earth

Leak

age R

elay

MK3

00A

& M

K300

EA

Page 27: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

MK330A

• One programmable contact for flexibility

• Detection of no connection to ZCT

• Relay trip indicator

• Relay alarm indicator

• Real-time leakage current display

• Leakage fault current recording

• Remote reset function

• Standard DIN 96x96mm panel mounting

• Protected against nuisance tripping

Features

• Numerical auto-reclosing earth leakage relay

• Programmable current sensitivity and time delay

• Programmable dead time and number of shots

• Programmable persistent fault time and reclaim time

• Programmable lockout auto reset time

• Incorporated positive safety feature into trip contact

TYPICAL APPLICATION DIAGRAM

Self-

Reclo

sing

Earth

Leak

age R

elay

MK3

30A

TRIP SAFECONTACT*

62 3 4 5 71

9 11 12 13 14 15

LNAUX

8

1610

PROGRAMMABLE CONTACT

LOAD

COM

L1 L2 L3 N PE

MK330A

REMOTE RESET

CONTACTOR

MIKROZCT

NONCCOMNONC

The EARTH wire must not pass through the ZCT

* The trip safe contact is activated (terminal 10-11 closed) when

the relay is in normal power-up condition with the measured

leakage current less than 0.85 IΔn.

Page 28: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

AUXILIARY SUPPLYModel MK330A-230A : 184~276VACModel MK330A-110A : 94~127VACRatedfrequency :50HzVA rating : 3VA typical

SETTINGSensitivity adjustment : 30mA, 50mA, 0.10~1.00A (Step=50mA) 1.00~10.0A (Step=1.00A)Time delay adjustment : Instantaneous, 0.1~3.0sec (Step=0.1s)Number of shots : 0~30 (Step=1, 0=Disable auto re-close function)Dead time : 1~500sec (Step=1sec)Persistent fault time : 0~500sec (Step=1sec, 0=Disable function)Reclaim time : 0~500min (Step=1min, 0=Disable function)Lockout auto reset time : 0~200hour (Step=1Hr, 0=Disable function)Programmable contact : Option 0 = Disable Option 1 = All (Option 2 to 6) Option 2 = ZCT error Option 3 = Leakage trip, test trip, re-close lockout Option 4 = Re-close lockout Option 5 = Pre-fault alarm, leakage trip, test trip, re-close lockout Option 6 = Re-close lockout, ZCT error

RECORDFault record : 3 latest tripped fault currents or “tSt” for manual test tripStorage : Non-volatile memory

INPUTRemote reset : N.O. dry contact

OUTPUTSTrip safe contact : Activated when the relay is in normal power-up condition with the

measured leakage current less than 0.85 IΔn.Programmable contact : Activated according to user setting

CONTACTSContact arrangement : Change-overContact rating : 5A (NO) / 3A (NC) / 250V AC1Expected electrical life : 10,000 at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSPre-fault alarm : Red indicator (Normal blink)Time delay : Red indicator (Fast blink)Leakage trip : 7-segment display and red indicatorRe-close lockout : 7-segment display and red indicatorZCT connection error : 7-segment display and red indicatorReal-time leakage current : 7-segment display

ZERO-PHASE CURRENT TRANSFORMERTo operate with Mikro’s ZCT series of current transformers

MECHANICALMounting method : Panel mountFront panel : Standard DIN 96x96mmApproximate weight : 0.58kg (excluding ZCT)

96 mm

90 mm70 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Front

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

Ordering Information

MK330A-230A For50Hzsystem,auxiliaryvoltage 184~276VAC

MK330A-110A For50Hzsystem,auxiliaryvoltage 94~127VAC

MODEL DESCRIPTIONSelf-

Reclo

sing

Earth

Leak

age R

elay

MK3

30A

Page 29: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

L1L2L3N

1 2 3 4 5 6

9 10 11 12 13 14

7

15

8

16

L NAUX

TRIP CONTACT

MK301A or MK302A

LOAD

SHUNTTRIP

NC NO COM

PE

The EARTH wire must not pass through the ZCT

TYPICAL APPLICATION DIAGRAMS

Features• Trip starting indicator

• Detection of no connection to current transformer for extra safety

• Relay tripped indicator

• High immunity to electrical interference

MK301A / 302A / 301EL1L2L3N

1 2 3 4 5 6

9 10 11 12 13 14

7

15

8

16

L NAUX

TRIP CONTACT

MK302A

LOAD

CONTACTOR

SAFETY CONTACT*

REMOTERESET*

REMOTE TEST*

COM COM NCNC NONO

PE

The EARTH wire must not pass through the ZCT

Features for MK302A only• Safety output contact

• Earth leakage level indicators

• Remote reset and remote test functions

Earth

Leak

age R

elay

MK3

01A

/ 30

2A /

301E

MK301A

MK302A

* Applicable to MK302A series only

** Applicable to MK301E series only

MK301E

L1L2L3N

1 2 3 4 5 6

9 10 11 12 13 14

7

15

8

16

L NAUX

TRIP CONTACT TRIP CONTACT 2**

MK301E

LOAD

SHUNTTRIP

NC NO COM

PE

The EARTH wire must not pass through the ZCT

Page 30: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Ordering Information

Technical Data

AUXILIARY SUPPLYModel MK301A / 302A -240A : 198 ~ 265 V ACModel MK301A / 302A -110A : 94 ~ 127 V ACRatedfrequency :50/60HzVA rating : 3 VA typical

SETTING RANGESSensitivity adjustment : 0.03 A to 30 ADelay time adjustment : 0 sec to 3.0 sec PERFORMANCESetting accuracy : -15% to +0%Timing accuracy : ±5%

CONTACTSContact arrangement : 1 x manual reset type : 1 x safety contact* : NC and NO contacts availableContacts rating : 5 A, 250 V AC ( cosϕ = 1) contact ratingContact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INPUTS Remote Test* / Reset Inputs* : N.O. dry contact

INDICATORSAuxiliary supply : Green indicatorTime delay : Red indicatorTrip : Red indicatorReal-time leakage current : Red indicator

ZERO - PHASE CURRENT TRANSFORMERTo operate with Mikro’s ZCT series of current transformer

MECHANICAL Mounting method : Panel mountingFront panel : Standard DIN 96mm x 96mmApproximate weight : 0.6 kg ( excluding ZCT )

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

* Applicable to MK302A series only

** Applicable to MK301E series only

MK301A-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK301A-110A For50/60Hzsystem,auxiliaryvoltage94~127VACMK302A-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK302A-110A For50/60Hzsystem,auxiliaryvoltage94~127VACMK301E-240A For50/60Hzsystem,auxiliaryvoltage198~265VACMK301E-110A For50/60Hzsystem,auxiliaryvoltage94~127VAC

MODEL DESCRIPTION

96 mm

Front

96 m

m

90 mm70 mm

Side

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

CASE DIMENSIONS

Earth

Leak

age R

elay

MK3

01A

/ 30

2A /

301E

Page 31: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

TRIP SAFE CONTACT PROGRAMMABLE CONTACT

LOAD

L1 L2 L3 N

62 3 4 5 71

8 9 10 11 12 13 14

L NAUX

CONTACTOR

MIKROZCT

DIN330

REMOTERESET

COM NO NC COM NO NC

PE

The EARTH wire must not pass through the ZCT

Features

• Numerical self reclosing earth leakage relay

• Programmable current sensitivity and time delay

• Programmabledeadtimeandnumberofshots

• Programmablepersistentfaulttimeandreclaim time

• Programmablelockoutautoresettime

• Incorporatedpositivesafetyfeatureintotrip contact

• Oneprogrammablecontactforflexibility

TYPICAL APPLICATION DIAGRAM

DIN330

Earth

Leak

age R

elay

DIN

330

• Detection of no connection to ZCT

• Relay trip indicator

• Relay alarm indicator

• Real-time leakage current display

• Leakage fault current recording

• Remote reset function

• Standard DIN rail mounting

• Protection against nuisance tripping

• Standard35mmDINrailmounting

* The trip safe contact is activated (terminal 9-10

closed) when the relay is in normal power-up

condition with the measured leakage current

less than 0.85 IDn.

Page 32: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical DataAUXILIARY SUPPLYModel DIN330-240 A(6) : 198 ~ 265 V ACRatedfrequency :50or60HzVA rating : 3 VA typical

SETTINGSSensitivity adjustment : 30 mA, 50 mA, 0.10 A –1.00 A (Step = 50 mA), 1.00 A – 10.0 A (Step = 1.00 A)Time delay adjustment : Instantaneous, 0.1s – 3.0s. Step = 0.10 sec.Number of shots : 0 - 30. Step = 1. 0 = Disable auto reclose functionDead time : 1 - 500 sec. Step = 1 sec.Permanent fault time : 0 - 500 sec. Step = 1 sec. 0 = Disable functionReclaim time : 0 - 500 minute. Step = 1 min. 0 = Disable functionLockout auto reset time : 0 - 200 hour. Step = 1 Hrs. 0 = Disable functionProgrammable contact : Option 0 = Disable Option 1 = All (Option 2 to 6) Option 2 = ZCT error Option 3 = Leakage trip, test trip, re-close lockout Option 4 = Re-close lockout Option 5 = Pre-fault alarm, leakage trip, test trip, reclose lockout Option 6 = Re-close lockout, ZCT errorCONTACTSContact arrangement : Change-overContact rating : 5A (NO) / 3A (NC) / 250 V AC1Expected electrical life : 10,000 operations at rated currentExpected mechanical life : 5 x 106 operations

RECORDFault record : 3 latest tripped fault currents or “tSt” for manual test tripStorage : Non-volatile memory

INPUTSRemote reset : N.O. dry contact

OUTPUTSTrip safe contact : Activated when the relay is in normal power-up condition with the measured leakage current less than 0.85 IDn.Programmable contact : Activated according to user setting

INDICATORS50% pre-fault alarm : Red indicator (Normal blink)Time delay : Red indicator (Fast blink)Leakage trip : 7-segment display and red indicatorReclose lockout : 7-segment display and red indicatorZCT fault : 7-segment display and red indicatorReal time leakage current : 7-segment display

ZERO-PHASE CURRENT TRANSFORMERTo operate with Mikro’s ZCT series of current transformer

MECHANICALMounting method : Standard 35 mm din rail mountingApproximate weight : 0.38 kg (Excluding ZCT)

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

Ordering Information

Front

Side

71 mm

20 mm

45 mm

20 mm

70 mm

85 mm

30 mm 20 mm 20 mm

CASE DIMENSIONS

Earth

Leak

age R

elay

DIN

330

DIN330-240A For50Hzsystem, auxiliary voltage 240 V AC DIN330-240A6 For60Hzsystem, auxiliary voltage 240 V AC

MODEL DESCRIPTION

Page 33: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

TRIPCONTACT

LOAD

L1 L2 L3 N

62 3 4 5 71

8 9

COM NO NC

10 11 12 13 14

L NAUX

SHUNTTRIP

MIKROZCT

DIN310

PE

The EARTH wire must not pass through the ZCT

Features

• Numerical earth leakage relay

• Programmable current sensitivity and time delay

• Detection of no connection to ZCT

• Relay trip indicator

• Relay alarm indicator

• Real-time leakage current display

• Leakage fault current recording

• 50% pre-fault indicator

• Standard DIN rail mounting

• Protection against nuisance tripping

TYPICAL APPLICATION DIAGRAMS

Features For DIN310E only

• Positive safety output contact

• 50% pre-fault output contact

• Remote reset function

DIN310 / 310E

Earth

Leak

age R

elay

DIN

310

/ 310

E

TRIP CONTACT SAFETY CONTACT

LOAD

L1 L2 L3 N

62 3 4 5 71

8 9 10 11 12 13 14

L NAUX

CONTACTOR

MIKROZCT

DIN310E

REMOTERESET

ALARM CONTACT

NO NC NCCOM COM NO

PE

The EARTH wire must not pass through the ZCT

DIN310

DIN310E

Page 34: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

AUXILIARY SUPPLYDIN310-240 A(6) : 198 ~ 265 V AC DIN310E-240 A(6) : 198 ~ 265 V ACRatedfrequency :50or60HzVA rating : 3 VA typical

SETTING RANGESSensitivity adjustment : 30 mA, 50 mA, 0.10 A –1.00 A (Step = 50 mA), 1.00 A – 10.0 A (Step = 1.00 A)Time delay adjustment : Instantaneous, 0.1s – 3.0s. Step = 0.10 sec.

CONTACTSContact arrangement : Change-overContact rating : 5A (NO) / 3A (NC) / 250 V AC1Expected electrical life : 10,000 operations at rated currentExpected mechanical life : 5 x 106 operations

RECORDFault record : 3 latest tripped fault currents or “tSt” for manual test tripStorage : Non-volatile memory

INPUTRemote reset* : N.O. dry contact

OUTPUTSTrip Contact : Activated if relay tripped or ZCT faultPositive safety contact* : Activated when ZCT is connected properly to the relayPre-fault alarm contact* : Activated when leakage current exceeded 50% of sensitivity setting

INDICATORS50% pre-fault alarm : Red indicatorTime delay : Red indicatorLeakage trip : 7-segment display and red indicatorZCT fault : 7-segment display and red indicatorReal time leakage current : 7-segment display

ZERO-PHASE CURRENT TRANSFORMERTo operate with Mikro’s ZCT series of current transformer

MECHANICALMounting method : Standard 35 mm DIN rail mountingApproximate weight : 0.38 kg (Excluding ZCT)

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

* Applicable to DIN310E series only

Ordering Information

Front

Side

71 mm

20 mm

45 mm

20 mm

70 mm

85 mm

30 mm 20 mm 20 mm

CASE DIMENSIONS

Earth

Leak

age R

elay

DIN

310

/ 310

E

DIN310-240A For50Hzsystem, auxiliary voltage 240 V AC DIN310E-240A For50Hzsystem, auxiliary voltage 240 V ACDIN310-240A6 For60Hzsystem, auxiliary voltage 240 V AC DIN310E-240A6 For60Hzsystem, auxiliary voltage 240 V AC

MODEL DESCRIPTION

Page 35: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

L1 L2 L3 N

1 2 3 4 5 6

8 9 10 11 12 13

7

14

L NAUX

S2

S1

TRIP CONTACT

LOAD

SHUNTTRIP

COM NO NC

PE

The EARTH wire must not pass through the ZCT

Features

• 25selectablesensitivitysettings: 30 mA to 30 A

• 9selectabletimedelays:0msto3s

• Earthleakagelevelindicators

• DetectionofnoconnectiontoZCT

• Relaytrippedindicator

• Tripstartingindicator

• Protectedagainstnuisancetripping

TYPICAL APPLICATION DIAGRAMS

Features For DIN300E only

• 50%pre-faultoutputcontact

• Remotetestandremoteresetfunctions

DIN300 / 300E

Earth

Leak

age R

elay

DIN

300

/ 300

E

L1 L2 L3 N

1 2 3 4 5 6

8 9 10 11 12 13

7

14

L NAUX

S2

S1

TRIP CONTACT50% PRE-FAULT CONTACT

LOAD

SHUNTTRIP

REM

OTE

RES

ET

REM

OTE

TES

T

COMCOM NO NCNCNO

PE

The EARTH wire must not pass through the ZCT

DIN300

DIN300E

Page 36: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

AUXILIARY SUPPLYModel DIN300 / 300E -240A : 198 ~ 265 V ACModel DIN300 / 300E -110A : 94 ~ 127 V ACRatedfrequency :50/60HzVA rating : 3 VA typical

SETTINGS RANGESSensitivity setting : 30 mA, 50 mA, 75 mA, 100 mA, 125 mA, 150 mA, 200 mA, 250 mA, 300

mA, 500 mA, 750 mA, 1 A, 1.25 A, 1.5 A, 2 A, 2.5 A, 3 A, 5 A, 7.5 A, 10 A, 12.5 A, 15 A, 20 A, 25 A, 30 A.

Time delay setting : Instantaneous, 50 ms, 100 ms, 150 ms, 250 ms, 350 ms, 500 ms, 1 s, 3 s.

PERFORMANCESetting accuracy : -15% to +0%Timing accuracy : ±5%

CONTACTSContacts ( Trip / 50% pre-fault* )Contact arrangement : Change overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INPUTSRemote test* / Reset inputs* : N.O. dry contacts

ZERO - PHASE CURRENT TRANSFORMERTo operate with Mikro’s ZCT series of current transformer

INDICATORSAuxiliary supply : Green indicatorTime delay : Red indicatorTrip : Red indicatorLeakage current* : 5 red indicators for leakage levels

MECHANICALMounting method : Din rail mountedApproximate weight : 0.3 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

* Applicable to DIN300E model only

Ordering Information

71mm

71mm

30mm 20mm 20mm

45mm

85mm

20mm

20mm

Front view

Side view

CASE DIMENSIONS

Earth

Leak

age R

elay

DIN

300

/ 300

E

DIN300-240A For50/60Hzsystem, auxiliary voltage 240 V AC

DIN300-110A For50/60Hzsystem, auxiliary voltage 110 V AC

DIN300E-240A For50/60Hzsystem, auxiliary voltage 240 V AC

DIN300E-110A For50/60Hzsystem, auxiliary voltage 110 V AC

MODEL DESCRIPTION

Page 37: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

DIMENSION (mm) Model ZCT40S ZCT60S ZCT80S ZCT120S A 40 60 80 120 B 78 95 120 180.5 C 97 110 135 179.5 D 3.5 6 3.5 6 E 36 31.5 36 37 F 52 62 94 147 G 16 20.5 16 20.5 H 17.5 11 17.5 16

ZCT40S/60S/80S/120S

Zero

-Pha

se Cu

rrent

Tran

sform

erZC

T 40

S / 6

0S /

80S

/ 120

S

40S

60S

80S

120S

A C

B

D GE

F

H

Front

40S / 60S / 80SBottom

B

DG

F

H

120SBottom

CASE DIMENSIONS

Ordering Information

ZCT40S 40mm inner diameter ZCT60S 60mm inner diameterZCT80S 80mm inner diameterZCT120S 120mm inner diameter

MODEL DESCRIPTION

Page 38: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

DVM Features

• Built-inselectorswitch

• Easy-to-read,14.2mmdigitdisplay

• DINsizecasing

Technical Data

Auxiliary supply : 198 ~ 265 V AC : 94 ~ 127 V ACVA rating : 3 VAInputfrequency :47~66HzMaximum input voltage : 500 Vrms

96 m

m

96 mm

Front

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

91.5 mm

87 mm

Side

CASE DIMENSIONS

Aux SupplyAC 240 V

DVM360 Series

62 3 4 5

R

Y

B

N

7 8 9 10 11 12

1

TYPICAL APPLICATION DIAGRAM

Aux SupplyAC 240 V

DVM100 Series

62 3 4 5

7

LINE

8 9 10 11 12

1

Ordering Information

DVM360 - 240A Auxiliary voltage 240 V ACDVM100 - 240A Auxiliary voltage 240 V ACDVM360 - 110A Auxiliary voltage 110 V ACDVM100 - 110A Auxiliary voltage 110 V AC

MODEL DESCRIPTION

Digi

tal A

C Vol

tmet

erD

VM

Page 39: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

DAM

Digi

tal A

C Am

met

erD

AM

Features

• Built-in selector switch

• Easy-to-read, 14.2mm digit display

• DINsizecasing

• Wide selection of current transformer (CT) ratio

Technical Data

Auxiliary supply : 198 ~ 265 V AC : 94 ~ 127 V ACVA rating : 3 VAInputfrequency :47~66HzMaximum input : 6 A continuousAmmeter CT ratio : .../5 AClass : 1.0

96 m

m

96 mm

Front

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

91.5 mm

87 mm

Side

CASE DIMENSIONS

Aux SupplyAC 240 V

DAM330 / 3000 Series

62 3 4 5

R

Y

B

7 8 9 10 11 12

1

TYPICAL APPLICATION DIAGRAM

Aux SupplyAC 240 V

DAM100 / 1000 Series

62 3 4 5

7 8 9 10 11 12

1

LINE

Page 40: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

For primary current from 60 A to 500 A

DAM 330 - XXXXDAM 100 - XXXX

Order number

Example: Model DAM 330 - 0060 for digital ammeter with CT ratio 60 / 5 A.

0060

ORDER NUMBER

Model DAM 330 & DAM 100*CT RATIO

60 / 5 A

0100 100 / 5 A

0150 150 / 5 A

0200

0250

0300

0400

0500

200 / 5 A

250 / 5 A

300 / 5 A

400 / 5 A

500 / 5 A

For primary current from 600 A to 5000 A

DAM 3000 - XXXXDAM 1000 - XXXX

Order number

600

ORDER NUMBER

Model DAM3000 & DAM1000*CT RATIO

600 / 5 A

800 800 / 5 A

1000 1000 / 5 A

1200

1500

1600

2000

2400

1200 / 5 A

1500 / 5 A

1600 / 5 A

2000 / 5 A

2400 / 5 A

2500 2500 / 5 A

3000 3000 / 5 A

3200 3200 / 5 A

3500 3500 / 5 A

4000 4000 / 5 A

4500 4500 / 5 A

5000 5000 / 5 A

*CT : Current Transformer For other CT ratio, please contact

the manufacturer.

Ordering Information

DAM330 - xxxx - 240A

MODEL DESCRIPTION

Auxiliary voltage 240 V AC

DAM100 - xxxx - 240A Auxiliary voltage 240 V AC

DAM330 - xxxx - 110A Auxiliary voltage 110 V AC

DAM100 - xxxx - 110A Auxiliary voltage 110 V AC

DAM3000 - xxxx - 240A Auxiliary voltage 240 V AC

DAM1000 - xxxx - 240A Auxiliary voltage 240 V AC

DAM3000 - xxxx - 110A Auxiliary voltage 110 V AC

DAM1000 - xxxx - 110A Auxiliary voltage 110 V AC

DAM330

MODEL/ SERIES

DAM3000

DAM100

WITHSELECTOR

WITHOUTSELECTOR

A

UNIT

A

A

A

DISPLAYFORMAT

DAM1000

Digi

tal A

C Am

met

erD

AM

Page 41: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

R2R1

62 3 4 5 71

8 9

COM NO NC COM NO NC

10 11 12 13 14

(OPTIONAL)

L1L2L3N

MU250

(Neutral connection is optional)

Features

• Microprocessorbasednumericalrelay

• Undervoltage

• Overvoltage

• Delay-on

• 2voltage-freeoutputcontacts

• Voltageandfrequencydisplay

TYPICAL APPLICATION DIAGRAMS

Features For MU250 only

• 3-Phase

• Unbalance

• Phaseloss

• Phasesequence

• Withorwithoutneutralconnection

• Phasetophaseorphasetoneutralmonitoring

MU250 / 150

Volta

ge R

elay

MU

250

/ 150

R2R1

62 3 4 5 71

8 9

COM NO NC COM NO NC

10 11 12 13 14

LN

MU150

MU250

MU150

MU250 3-phase

MU150 Single-phase

Product Description

MU150 and MU250 are voltage relays that combine various protections and starting delay.

MU150 is used for single-phase monitoring while MU250 is used for 3-phase monitoring.

Page 42: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

SETTING RANGESUndervoltage : 1% to 25%Time delay for undervoltage : 0.1s to 30sOvervoltage : 1% to 20%Time delay for overvoltage : 0.1s to 30sStart time delay : 0s to 999s

For MU250 only:Unbalance : 3% to 20%Time delay for unbalance : 0.1s to 30sPhase loss : Fixed time <0.1sPhase sequence : Fixed time <0.1s

POWER SUPPLY INPUTInput voltage : MU150: 220V(-25%) to 240V(+20%) AC (Phase-Neutral) : MU250: 380V(-25%) to 415V(+20%) AC (Phase-Phase)Supplyfrequency :45Hzto65HzMaximum power consumption : MU250: 3VA : MU150: 2.5VA

CONTACTSContact arrangement : Change-overContact rating : 5A, 250V AC (cos ϕ=1)Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 X 106 operations

INDICATORSAuxiliary supply : Green LED indicatorPickup indicator : Red LED indicatorTrip : 7-segment display and red LED indicators

MECHANICALMounting : Din rail mountedApproximate weight : MU150: 0.27kg : MU250: 0.31kg

ACCURACYProtection thresholds : ± 3%Time delay : 0 to 0.5s, ± 15% with minimum 40ms : 0.6s and above, < ± 3%Measurements : ± 3% ENVIRONMENTAL CONDITIONSTemperature : -5 C to +55 CHumidity : 56 days at 93% RH and 40 C non-condensing

Ordering Information

Front

Side

71 mm

20 mm

45 mm

20 mm

70 mm

85 mm

30 mm 20 mm 20 mm

CASE DIMENSIONS

MU150-240V Single-Phase, 220/230/240 V AC, 45-65Hzpowersupply

MU250-415V 3-Phase, 380/400/415 V AC, 45-65Hzpowersupply

MODEL DESCRIPTION

Volta

ge R

elay

MU

250

/ 150

Page 43: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Introduction

The MU2300 is a microprocessor based numerical relay for voltage protection functions in electrical distribution network.

Features• Multifunction numerical voltage

protection relay

• Low-set undervoltage stage (U<) with definite-time or inverse-time characteristic

• High-set undervoltage stage (U<<) with definite-time

• Low-set overvoltage stage (U>) with definite-time or inverse-time characteristic

• High-set overvoltage stage (U>>) with definite-time

• Negative sequence overvoltage protection (U2>) with definite-time or inverse-time characteristic

• Neutral displacement / residual overvoltage protection (U0>)with definite-time or inverse-time characteristic

• Can be used in single-phase or three-phase operation

• Multi-function isolated digital input with wide input voltage range

• Fault record and event code recording

• Five programmable voltage-free output contacts

• Isolated RS485 Modbus - RTU communication

Over

volta

ge &

Und

ervo

ltage

Rel

ayM

U23

00

MU2300Technical Data

INPUTS Measuring input: Rated voltage input : 57-130 VRatedfrequency :50/60Hz

Rated auxiliary voltage:Model MU2300-150D : 24~150 V DCModel MU2300-240AD : 85~265 V AC

110~340 V DCPower consumption:AC auxiliary voltage : 6 ~ 10 VA typicalDC auxiliary voltage : 5 ~ 9 W typical

Binary Input:External binary input : 85~265 V AC/DC

OUTPUTS5 programmable contacts +1 IRF contact:Rated voltage : 250 V AC/DCContinuous carry : 5 AMake and carry for 0.2 s : 30 A

Contact specification:Expected electrical life : 105 operationsExpected mechanical life : 5 x 106 operations

UNDER-VOLTAGE ELEMENTLow set setting U< : 5 - 130 VHigh set setting U<< : 5 - 130 VTime multiplier, TMS : 0.5 - 100Low set Definite time tU< : 0 - 600 sHigh set Definite time tU<< : 0 - 600 s

OVER-VOLTAGE ELEMENTLow set setting U> : 5 - 200 VHigh set setting U>> : 5 - 260 VTime multiplier, TMS : 0.5 - 100Low set definite time tU> : 0 - 600 sHigh set definite time tU>> : 0 - 600 s

COMMUNICATIONRS485 Modbus - RTU

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and

40˚C non-condensing

NEGATIVE SEQUENCE OVER-VOLTAGE ELEMENTNegative sequence over-voltage setting, U2>

: 5 - 200 VTime multiplier, TMS : 0.5 - 100Negative sequence over-voltage definite time tU2>

: 0 - 600 s

RESIDUAL OVER-VOLTAGE ELEMENTResidual over-voltage setting, U0> : 0.5 - 130 VTime multiplier, TMS : 0.5 - 100Residual over-voltage definite time tU0> : 0 - 600 s

Page 44: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Over

volta

ge &

Und

ervo

ltage

Rel

ayM

U23

00

11

1010

100100

00 0.10.1 0.20.2 0.30.3 0.40.4 0.50.5 0.60.6 0.70.7 0.80.8 0.90.9 11TMS=1

TMS=5

TMS=3

TMS=10

TMS=8

Applied voltage/relay setting voltageApplied voltage/relay setting voltage

Ope

rati

ng ti

me

(sec

)O

pera

ting

tim

e (s

ec)

UNDERVOLTAGE CHARACTERISTIC

0.01

0.1

1

10

100

0 2 4 6 8 10 12 14 16 18 20

TMS=1

TMS=8TMS=10

TMS=5TMS=3

Applied voltage/relay setting voltageApplied voltage/relay setting voltage

Ope

rati

ng ti

me

(sec

)O

pera

ting

tim

e (s

ec)

OVERVOLTAGE CHARACTERISTIC

142 mm

165

mm

Front

129 1 mm

139

1 m

mPanel Cutout

198 mm

34 mm

136

mm

Side

TYPICAL APPLICATION DIAGRAMS

CASE DIMENSIONS

3

2

6

5

9

8

12

11

31

3233

13

14

343635

3837

4039

4241

2726

283029

25

24

22

23

ExternalDigital

Input

Uaux

R1

R2

R3

R4

R5

ABC

Trip Contact

A

BCPhase rotation

InternalRelayFailure

Termination ResistorN-

P+CommunicationCable Shield

Ordering Information

MU2300-150D For50/60Hzsystem,auxil-iary voltage 24 ~ 150 V DC

MU2300-240AD For50/60Hzsystem,auxiliary voltage 85 ~ 265 V AC or 110~340 V DC

MODEL DESCRIPTION3

2

6

5

9

8

12

11

31

3233

13

14

343635

3837

4039

4241

2726

283029

25

24

22

23

ExternalDigital

Input

Uaux

R1

R2

R3

R4

R5

ABC

Trip Contact

A

BCPhase rotation

InternalRelayFailure

Termination ResistorN-

P+CommunicationCable Shield

3

2

6

5

9

8

12

11

31

3233

13

14

343635

3837

4039

4241

2726

283029

25

24

22

23

ExternalDigital

Input

Uaux

R1

R2

R3

R4

R5

ABC

Trip Contact

A

BCPhase rotation

InternalRelayFailure

Termination ResistorN-

P+CommunicationCable Shield

3

2

6

5

9

8

12

11

31

3233

13

14

343635

3837

4039

4241

2726

283029

25

24

22

23

ExternalDigital

Input

Uaux

R1

R2

R3

R4

R5

ABC

Trip Contact

A

BCPhase rotation

InternalRelayFailure

Termination ResistorN-

P+CommunicationCable Shield

3Vp-p + Vresidual connection 2Vp-p + Vresidual connection

3Vp-n + Vresidual connection 3Vp-n connection

Page 45: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Mot

or P

rote

ctio

n Re

lay

MPR

500

Technical Data

CT RATINGSRated current : 5 ARatedfrequency :50or60HzBurden : <0.3 VA at rated currentThermal withstand : 4 x rated continuous

BINARY INPUTRated input voltage : 12 V (Supplied internally)

SETTING RANGESTHERMAL OVERLOADtime constant, t 6X : 1 – 40s. Step 0.1s for 1 - 10s, step 1s for 10 - 40s.Short circuit, I>> : off, 2 - 12 x IB Step 1 x IB Short circuit delay time, t>> : 0 - 25s Step 0.1s for 1 - 10s, step 1s for 10 - 25s.Undercurrent, I<< : off, 20 - 90% IB. Step 1%Undercurrent delay time, t<< : 0 - 60s. Step 0.1s for 1 - 10s, step 1s for 10 - 60s.Unbalance : off, 10 - 50% Step 1%Unbalance delay time, t : 0 - 25s. Step 0.1s for 1 - 10s, Step 1s for 10 -25s.Earth fault, I0 : off, 10 - 60% IB. Step 1%Earth fault delay time, t0 : 0 - 25s. Step 0.1s for 1 - 10s, step 1s for 10 - 25s.Phass loss : <120msPhase sequence : <120msProlonged starting/stalled rotor, IS : off, 2 - 12 x IB. Step 0.1 x IBProlonged startingdelay time, tStart : 0 - 60s. Step 0.1s for 1 - 10s, step 1s for 10 - 60s.Stalled rotor delay time, tStall : 0 - 60s. Step 0.1s for 1 - 10s, step 1s for 10 - 60s.

Features• Microprocessor based numerical relay

• Thermal overload

• Overcurrent

• Undercurrent

• Unbalance

• Phase loss

• Phase sequence

• Earth fault

• Prolonged starting/stall rotor

• 2 voltage-free output contacts

MPR500

AUXILIARY SUPPLYModel MPR 500-240A : 198 ~ 265 V ACModel MPR 500-240AD : 85 ~ 265 V AC 110 ~ 370 V DCModel MPR 500-150D : 24 ~ 150 V DCSupplyfrequency :50or60HzMaximum power consumption : 3 VA typical

CONTACTSContact arrangement : Change-overContact rating : 5 A, 250 V AC (cosϕ = 1)Contact material : Silver alloyOperating time : 15 ms maxExpected electrical life : 100,000 operation at

rated currentExpected mechanical life : 5 x 106 operations

INDICATORSRun : Green indicatorTrip/Pickup : 7-segment display and

red indicator Thermal : Yellow indicator

MECHANICALMounting : Panel mountingFront panel : Standard DIN

96mm x 96 mmApproximate weight : 0.75kg

ENVIRONMENTAL CONDITIONSTemperature : -5ºC to +55ºCHumidity : 56 days at 93% RH and

40˚C non-condensing

Page 46: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

(a) With 0% thermal capacity (cold start)

time

t6x

I / I B

10 sec

1 sec

2 sec3 sec

5 sec

21 3 4 5 6

20 sec30 sec40 sec1 min

2 min3 min

5 min

10 min

20 min30 min

1 hour

2 hour

2s

5s

10s

20s30s40s

1s1.05

THERMAL TRIPPING CURVE

t6x

2s

5s

10s

20s30s40s

1s

(b) With prior 50% thermal capacity

21 3 4 5 6

1.05

I / I B

time

10 sec

1 sec

2 sec3 sec

5 sec

20 sec30 sec40 sec1 min

2 min3 min

5 min

10 min

20 min30 min

1 hour

2 hour

Mot

or P

rote

ctio

n Re

lay

MPR

500

TYPICAL APPLICATION DIAGRAMS

Aux

6

2

3

4

5

L

R1

R2

N

9

10

11

12

13

14

715

816

1

MPR 500

L1L2L3

M

K1

N

K1H1

S2

S1K1

Block R1/Reset/Trip

Start

Stop

NO

NC

COM

COM

NC

NOBinaryinput

F1 F2 F3

F4

2-10A

Motor with full load current of 2A to 10A

Aux

6

2

3

4

5

L

R1

R2

N

9

10

11

12

13

14

715

816

1

MPR 500

L1L2L3

M

K1

N

K1H1

S2

S1K1

Block R1/Reset/Trip

Start

Stop

NO

NC

COM

COM

NC

NOBinaryinput

F1 F2 F3

F4

Motor with higher full load current using external CT

96 mm

110 mm100 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

mFront

Side

Panel Cutout

96 m

m

CASE DIMENSIONS

Ordering Information

MPR500-240A For50Hzsystem,auxiliaryvoltage198~265VACMPR500-240AD For50Hzsystem,auxiliaryvoltage85~265VACor110~370VDCMPR500-150D For50Hzsystem,auxiliaryvoltage24~150VDC

MODEL DESCRIPTION

Page 47: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

RPR415

Reve

rse Po

wer R

elay

RPR4

15

2 3 4 5 6 7 8

9 10 11 12 13 14 15

1

16

NC

P1

S1

COM

DIRECTION OF CURRENT FOR OPERATION

NO

L1

L2

L3

N

Features

• Reverse power monitoring

• 3-phase-4-wire system

• Adjustable reverse power setting

• Adjustable tripping time delay

• Indicators for auxiliary power, trip delay and trip status

• Test button

TYPICAL APPLICATION DIAGRAM

Product Description The RPR 415 relay is a directionally control-led timing relay used to protect AC genera-tors from motoring. When such a condition occurs and the reverse current exceeded the customer adjustable preset limit and the current persists for a predetermined delay time, the trip relay operates to diconnect the circuit.

Technical DataINPUTRated voltage (Un) : 380/440 V ACRated current (In) : 5 ARatedfrequency :50Hz/60HzOverload : 1.2 x Un, 2 x In continuous 1.2 x Un, 10 x In for 3 secOUTPUTContact Arrangement : Change-overContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life: 100,000 operations at

rated currentExpected mechanical life: 5 x 106 operations

SETPOINTRange : 2% to 20% reverse currentTime delay : Adjustable 0 sec to 20 secHysteresis : 1%Repeatability : 0.5%

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

142 mm

132 mm

Side

96 m

m

96 mm

Front

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

Panel Cutout

CASE DIMENSIONS

Ordering Information

RPR415 Auxiliary voltage 415 V ACMODEL DESCRIPTION

Page 48: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Front Panel Description

1. Light Indicators

2. Reverse Current Adjustment Knob• Forsettingtheminimumreversecurrentbeforetripping• Settingrangefrom2%to20%

3. Delay Timing Adjustment Knob• Triptimedelaysetting• Settingrangefrom0to20sec

4. Test Button• Pressthetestbuttontosimulateatripcondition.

5. Reset Button• Theresetbuttonisforresetingthelightindicatoraftertripping.• Toreset,presstheresetbuttononce• Thetrippingcontactwillbereleasedoncethereversecurrentfall

below the pre-set limit. However, the TRIP light indicator is latched. Press the reset button to reset the light indicator to normal state.

OFF

IndicatorAUX

ON

ON

OFF

IndicatorDELAY

OFF

ON

OFF

IndicatorTRIP

OFF

OFF

No auxiliary power supply.

Status

System normal mode. No tripping.

Reverse current exceeded pre-set limit.

Time delay countdown started.

ON OFF ON System tripped.

20%

15.5%11%

6.6%

2% 20s

15s10s

5s

0s% DELAY

TEST RESET

2

1

3

5

4

Front Panel Description

Reve

rse Po

wer R

elay

RPR4

15

Page 49: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

MX200A/180A/160A

3 - P

hase

Volta

ge Co

ntro

l Rel

ayM

X20

0A /

180A

/ 16

0A

Features

• Electronic monitoring relay

• Voltage monitoring for single 3-phase system

• Phase failure monitoring

• Adjustable voltage limit

• Adjustable delay time

• Indicators for voltage fault

• Indicators for power and output ON

Product Description MX160A, MX180A & MX200A are single or 3-phase monitoring relays. The relays are designed for application where it required to maintain the voltage within set limits. A built-in adjustable time delay prevents nuisance tripping.

L3L2L1N

5 6 78

9

10111

2

3

4

WIRING DIAGRAM

T

Over Voltage LimitHysteresis

RelayON

RYB

>U LED ON

OPERATIONS DIAGRAM

i ) Over Voltage Function**

T

Under Voltage Limit

Hysteresis

RelayON

<U LED ON

RYB

ii ) Under Voltage Function*

MX200A

Under & Over Voltage Relay

MX180A

Over Voltage Relay

MX160A

Under Voltage Relay

LN

5 6 78

9

10111

2

3

4

Single-Phase System 3-Phase System

Page 50: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

POWER SUPPLY INPUT3-PHASE SYSTEMPhase-to-phase voltage : 380 V AC ± 20% 400 V AC ± 20% 415 V AC ± 20%SINGLE PHASE Phase-to-neutral voltage : 220 V AC ± 20% 230 V AC ± 20% 240 V AC ± 20%Frequencyrange :45to65HzMax. power consumption : 3 VAInput connections For 3-phase model : Phase L1, L2, L3 to pin 5, 6, & 7 Neutral to pin 11For single-phase model : Phase L to pin 5, 6 & 7*** Neutral to pin 11

SETTING RANGESLower voltage limit * : 78% - 98%Upper voltage limit ** : 102% - 122%Delay time, T : 0.1 - 10s

HYSTERESIS ≤1% of rms - value

CONTACT OUTPUTCotact arrangement : SPDT change-over contacts.Contact rating : 5A, 250 V AC ( cosϕ=1)Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSPower supply ON : Green indicatorOutput ON : Red indicatorUnder voltage limit (U<) * : Red indicatorOver voltage limit (U>) ** : Red indicator

MECHANICALMounting : Circular 11-pin plug-in socketApproximate weight : 0.25kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

* Applicable to MX160A and MX200A only

** Applicable to MX180A and MX200A only

*** For single phase connection, short pin 5,6 & 7

Ordering Information

MX160A - 380

MODELUnder

VoltageMonitoring

YES

MX160A - 400 YES

MX160A - 415 YES

OverVoltage

Monitoring

NO

NO

NO

SupplyVoltage

V AC

380

400

415

MX180A - 380 NO YES 380

MX180A - 400 NO YES 400

MX180A - 415 NO YES 415

MX200A - 380 YES YES 380

MX200A - 400 YES YES 400

MX200A - 415 YES YES 415

FUNCTION

80 mm

72.5 mm

35 mm

CASE DIMENSIONS

3 - P

hase

Volta

ge Co

ntro

l Rel

ayM

X20

0A /

180A

/ 16

0A

Page 51: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

MX100/50

3-Ph

ase V

olta

ge Se

quen

ce/F

ailu

re Co

ntro

l Rel

ayM

X10

0 / 5

0

Features

• Electronic monitoring relay

• Phase sequence monitoring*

• Phase failure monitoring

• Plug-in type module

• Indicators for power and alarm status

L3

Example 1

L2L1

5 6 78

9

10111

2

3

4

3 ~

WIRING DIAGRAMS

FUNCTION TABLE

Condition1

2

3

4

5

6

Pin 5L1

Loss

L1

L1

L2

L3

Pin 6L2

L2

Loss

L2

L1

L2

Pin 7L3

L3

L3

Loss

L3

L1

RelayON

OFF

OFF

OFF

OFF

OFF

RemarkSystem healthy

Phase failure

Phase failure

Phase failure

Sequence fault*

Sequence fault*

Example 2

L3L2L1N

5 6 78

9

10111

2

3

4

3 ~

MX100

Phase Sequence &Phase Failure monitoring

MX50

Phase Failure monitoring

* Applicable to MX100 model only

Introduction This phase sequence and phase failure re-lay is designed for application where the 3-phase supply needs to be continuously monitored for proper sequencing and phase loss. Commonly used to protect a 3-phase motor.

Page 52: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

Technical Data

POWER SUPPLY INPUTPhase-to-phase voltage : 220 V AC ±15% : 380 V AC ±15% : 400 V AC ±15% : 415 V AC ±15%Frequencyrange :45to65HzMax power consumption : 3 VAInput connections : Phase L1 to pin 5 Phase L2 to pin 6 Phase L3 to pin 7 Neutral (optional) to pin 11

CONTACT OUTPUTContact arrangement : SPDT change-over contactsContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operations

INDICATORSPower supply ON : Green indicatorOutput ON : Red indicator

MECHANICALMounting : Circular plug-in socketApproximate weight : 0.25 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

80 mm

72.5 mm

35 mm

Ordering Information

CASE DIMENSIONS

MODEL

MX100 - 220

MX100 - 380

MX100 - 400

MX100 - 415

MX50 - 220

MX50 - 380

MX50 - 400

MX50 - 415

DESCRIPTION

Auxiliary voltage 220 V AC

Auxiliary voltage 380 V AC

Auxiliary voltage 400 V AC

Auxiliary voltage 415 V AC

Auxiliary voltage 220 V AC

Auxiliary voltage 380 V AC

Auxiliary voltage 400 V AC

Auxiliary voltage 415 V AC

3-Ph

ase V

olta

ge Se

quen

ce/F

ailu

re Co

ntro

l Rel

ayM

X10

0 / 5

0

Page 53: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

PFR140/120/80/60

Powe

r Fac

tor R

egul

ator

PFR1

40 /

120

/ 80

/ 60

Features• Microprocessorbasedintelligentauto

switching control

• AutomaticC/Kandratedstepadjustment

• AutomaticCTpolaritycorrection

• Displayofpowerfactor,current&totalharmonic distortion of current

• Programmablesensitivity

• Last step can be used as alarm/fan output

• Under/overvoltagealarm,under/overcompensate alarm & high harmonic distortion alarm

• User-friendlysetting

• ComplieswithIEC61000-6-2standard

Technical DataRATINGS AUXILIARY POWER SUPPLYCurrent Supply voltage : 220~240 V AC / 380~415 V ACOperating Limits : -15% + 10%Consumption : 10 VA maxRatedfrequency :50Hzor60Hz

RELAY OUTPUTNumbers of outputs : 6 / 8 / 12 / 14 ( PFR60 / PFR80 / PFR120 / PFR140 )Contact arrangement : NO contacts typeContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operationsMax current for the common terminals : 12 A continuous

CONTROL RANGEPower factor setting : 0.8 inductive - 0.8 capacitiveC/K setting : 0.03 - 1.20 / AutomaticSwitching sensitivity : 5 - 600 s/stepReconnection time for same step : 5 - 240 sTHD threshold : 0.20 - 3.00 ( 20% - 300% ) / OFFSwitching Program : Automatic / Automatic Rotate / 4-quadrant / ManualRated step coefficient : 0 / 1 / 2 / 3 / 4 / 5 / 6 / 8 / 12 / 16 ( Automatic if C/K set to Auto )

MECHANICALMounting : Panel mountingDimension ( h x w x d ) : 144mm x 144mm x 90mmApproximate weight : 1 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

CURRENT INPUTRated current ( In ) : 5 AOperating Limits : 0.15 A to 6.5 ARatedFrequency :50Hzor60Hz

Page 54: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

MAIN

P1

P2

FUSE

K14

LOAD

K13 K2 K1

24232221201918171615

14

13

12111098

14131211

7654321

10987654321

AUXVOLTAGE

CURRENT/ 5 A

Pow

er F

acto

r Reg

ulat

or

L1L2L3N

380~415 V AC

1615

14

13 AUXVOLTAGE

For 220~240 V AC Model Only

220~240 V AC

TYPICAL APPLICATION DIAGRAM

144 mm

138 mm

138

mm

76 mm90 mm

144

mm

Front

Side

PanelCutout

CASE DIMENSIONS

Ordering Information

MODEL

PFR60 - 415 - 50

PFR80 - 415 - 50

PFR120 - 415 - 50

PFR140 - 415 - 50

PFR60 - 220 - 50

PFR80 - 220 - 50

PFR120 - 220 - 50

PFR140 - 220 - 50

PFR60 - 415 - 60

PFR80 - 415 - 60

PFR120 - 415 - 60

PFR140 - 415 - 60

PFR60 - 220 - 60

PFR80 - 220 - 60

PFR120 - 220 - 60

PFR140 - 220 - 60

DESCRIPTION

6 Steps, 50 Hzsystem,auxiliary voltage 380~415 V AC

8 Steps, 50 Hzsystem,auxiliary voltage 380~415 V AC

12 Steps, 50 Hzsystem,auxiliary voltage 380~415 V AC

14 Steps, 50 Hzsystem,auxiliary voltage 380~415 V AC

6 Steps, 50 Hzsystem,auxiliary voltage 220~240 V AC

8 Steps, 50 Hzsystem,auxiliary voltage 220~240 V AC

12 Steps, 50 Hzsystem,auxiliary voltage 220~240 V AC

14 Steps, 50 Hzsystem,auxiliary voltage 220~240 V AC

6 Steps, 60 Hzsystem,auxiliary voltage 380~415 V AC

8 Steps, 60 Hzsystem,auxiliary voltage 380~415 V AC

12 Steps, 60 Hzsystem,auxiliary voltage 380~415 V AC

14 Steps, 60 Hzsystem,auxiliary voltage 380~415 V AC

6 Steps, 60 Hzsystem,auxiliary voltage 220~240 V AC

8 Steps, 60 Hzsystem,auxiliary voltage 220~240 V AC

12 Steps, 60 Hzsystem,auxiliary voltage 220~240 V AC

14 Steps, 60 Hzsystem,auxiliary voltage 220~240 V AC

Powe

r Fac

tor R

egul

ator

PFR1

40 /

120

/ 80

/ 60

Page 55: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

PFR96 / PFR96P

Powe

r Fac

tor R

egul

ator

PFR9

6 / P

FR96

P

Features• Microprocessor based intelligent auto

switching control

• AutomaticC/Kandratedstepadjustment

• Automatic CT polarity correction

• Display of power factor & current

Technical DataRATINGS AUXILIARY POWER SUPPLYModel PFR96 : 110 ~ 120 V AC / 220 ~ 240 V ACModel PFR96P : 380 ~ 415 V ACOperating Limits : -15% + 10%Consumption : 10 VA maxRatedfrequency :50Hzor60Hz

RELAY OUTPUTNumbers of outputs : 6Contact arrangement : NO contacts typeContact rating : 5 A, 250 V AC ( cosϕ = 1 )Contact material : Silver alloyExpected electrical life : 100,000 operations at rated currentExpected mechanical life : 5 x 106 operationsMax current for the common terminals : 12 A continuous

CONTROL RANGEPower factor setting : 0.8 inductive - 0.8 capacitiveC/K setting : 0.03 - 1.20 / AutomaticSwitching sensitivity : 5 - 600 s/stepReconnection time for same step : 5 - 240 sSwitching Program : Automatic / Automatic Rotate / 4-quadrant / ManualRated step coefficient : 0 / 1 / 2 / 3 / 4 / 5 / 6 / 8 / 12 / 16 ( Automatic if C/K set to Auto )

MECHANICALMounting : Panel mountingDimension ( h x w x d ) : 96mm x 96mm x 70mmApproximate weight : 0.6 kg

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

• Programmablesensitivity

• Laststepcanbeusedasalarm/fanoutput

• Under/overvoltagealarm,under/overcompensate alarm

• User-friendlysetting

• ComplieswithIEC61000-6-2standard

CURRENT INPUTRated current ( In ) : 5 AOperating Limits : 0.15 A to 6.5 ARatedfrequency :50Hzor60Hz

For PFR96• Forsingle-phasesystem

For PFR96P• For3-phasesystem

Page 56: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

K6 K1K2

LOAD

FUSE

Pow

er F

acto

r Re

gula

tor

VOLTAGE380~415V AC

MAINL1L2L3N

8

7

6

5

4

3

2

1

CURRENT/ 5 A

6

5

4

3

2

1

16

15

14

13

12

11

10

9P2

P1

FUSE

K6 K1K2

FUSE

FUSE

LOAD

Pow

er F

acto

r Re

gula

torVOLTAGE

220 V AC /110 V AC

MAINL1L2L3N

8

7

6

5

4

3

2

1

CURRENT/ 5 A

6

5

4

3

2

1

16

15

14

13

12

11

10

9P2

P1

TYPICAL APPLICATION DIAGRAM

96 mm

91.0 ± 0.5 mm

91.0

± 0

.5 m

m

70 mm90 mm

96m

m Front

Side

PanelCutout

CASE DIMENSIONS

Ordering Information

MODEL

PFR96 - 220 - 50

PFR96 - 220 - 60

PFR96 - 110 - 50

PFR96 - 110 - 60

PFR96P - 415 - 50

PFR96P - 415 - 60

DESCRIPTION

6 Steps, for 50 Hz system, auxiliary voltage 220~240 V AC

6 Steps, for 60 Hz system, auxiliary voltage 220~240 V AC

6 Steps, for 50 Hz system, auxiliary voltage 110~120 V AC

6 Steps, for 60 Hz system, auxiliary voltage 110~120 V AC

6 Steps, for 50 Hz system, auxiliary voltage 380~415 V AC

6 Steps, for 60 Hz system, auxiliary voltage 380~415 V AC

Diagram 2 - For model PFR96PDiagram 1 - For model PFR96

Powe

r Fac

tor R

egul

ator

PFR9

6 / P

FR96

P

Page 57: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

AN112/120

Alar

m A

nnun

ciato

rA

N11

2 / 1

20

Programmable Alarm AnnunciatorThe AN112/120 series Alarm Annunciator provides ideal solution for all your alarm system management and requirement. It comes with either 12 or 20 windows, and due to the use of microprocessor-based design, the alarm annunciator is highly flexible in terms of functionality and programmability, suitable for all application and industries.

4 3 2 1C12

- +-+

- +

4 3 2 1C11

- +

4 3 2 1C10

- +

4 3 2 1

1 21Sleep

2 3

1 2

Power

PowerGround

3 5 6 7

D-D+

4

C9

RS485

RS232

- +

4 3 2 1C8

- +

4 3 2 1C7

- +

4 3 2 1C6

- +

4 3 2 1C5

- +

4 3 2 1C4

- +

-+

1 2 3 4 2 3 41

RBCK SSP AUX3

Relay output

AUX2 AUX1

6 7 85 109

Button

MuteAck

ResetTest

1RstDis

1 2 3 4C3

-+

1 2 3 4C2

-+

1 2 3 4C1

TYPICAL CONNECTION DIAGRAM

Features• 12 or 20 windows. Replaceable super-bright LED modules, with choice of amber or red

illumination

• 11AlarmSequencesasperISA-18.1standard

• Eachchannel/window fully fieldprogrammable,either from frontpanelbuilt-inpushbutton or using PC

• OptionofeitherRS232orRS485MODBUS-RTUcommunication.Comeswithuser-friendlyconfiguration software.

• Repeatrelayforeachwindowaswellasnumerousconfigurablemultifunctionoutputrelays for connection to external equipment to form alarm management system

• Sleeporunattendedmodefeatureisavailable,forstationsnotpermanentlymanned

• Auto-silenceandauto-acknowledgefeatures,withdelaysettablefrom1–255s

Tests And StandardsElectrostatic discharge IEC61000-4-2, Class III, air discharge 8 KVElectrostatic discharge IEC61000-4-2, Class III, contact discharge 6 KVElectrical fast transient IEC61000-4-4 4 KV, 5/50nsSurge immunity IEC61000-4-5 4 KV, L to EEnclosure protection when panel mounted Front: IP41 Enclosure: IP30

Page 58: contents Earth Fault Relay - Đoàn Gia Electricdoangiaelectric.com/uploads/tai-lieu/mikro_1434163162.pdf · 3 Low-set Characteristic Curves The inverse definite minimum time (IDMT)

AN120 Front

237 mm

217

mm

AN112 Front

237 mm15

7 m

m

Bottom206 mm

1.5 mm

132

mm

132 mm

126 mm

AN112 Side

132 mm

186 mm

AN120 Side

Technical DataWINDOWWindow Dimension: 50 x 30 mm.Type: White translucent lens.Colours: Red, Amber. Coloured by field replaceable LED module.WindowsFlash Fast:1.4Hz(0.4son,0.4soff), Slow:0.45Hz(1.1son,1.1soff), Intermittent: ( 0.4s on, 1.8s off )

ALARM SEQUENCES M, A, R, R-12, F1A, F1M, F2A, F2M, F3A, F3M, Follower

TYPE OF MOUNTING Panel Mounting

AUXILIARY POWER INPUTFuse protected.AN1xx-30 24-36 V DC or 18-27 V AC.AN1xx-110 88-132 V DC or 64-95 V AC.Power consumption AN112: 6 W, AN120: 8 W

ALARM CONTACT INPUTSOpto-isolated inputsAN1xx-30 24-36 V DC or 18-27 V AC.AN1xx-110 88-132 V DC or 64-95 V AC.Input current 3 mA typical

RELAY OUTPUTSRepeat relays Potential free for each alarm point. 5 A at 250 V AC, 3 A at 30 V DC. Resistive load.AUX1-AUX3, RBACK, SSP 5 A at 250 V AC, 5 A at 30 V DC. Resistive load.

TERMINALS Wiresize 28-14AWG.(0.08mm2 to 2.5mm2 ) Removable screw type terminal block ( removable )

ENVIRONMENTOperation temperature -20 to 60˚CStorage temperature -20 to 80˚CHumidity 0 - 95% RH, non condensing

COMMUNICATION Hardware interface AN1xx - xx - x - A: RS232 AN1xx - xx - x - B : Isolated RS485

Protocol Modbus - RTUBaud rate 300 to 57600

ENVIRONMENTAL CONDITIONSTemperature : -5˚C to +55˚CHumidity : 56 days at 93% RH and 40˚C non-condensing

CASE DIMENSIONS

Ordering InformationOrder code:

A: RS 232 communicationB: RS 485 communication

0: without repeat relays1: with repeat relays

Power Supply: 30, 110 V DCNumber of Windows: 12, 20

For example: 12 windows, 30 V DC, with repeat relays, RS232 communication: AN112-30-1-A

AN1 - - -

Alar

m A

nnun

ciato

rA

N11

2 / 1

20