AM5 Series Protection Relay Directional overcurrent

(with voltage dependant, 3 stages)

Overcurrent (with compound voltage dependant, 3 stages)

Overcurrent(motor start,motor run, 2 stages)

Overcurrent (2 stages)

Overcurrent IDMT

Earth fault

Earth fault IDMT (I01)

Earth fault IDMT (I02)

Overload (alarm)

Overload (trip)

Trip and close circuit supervision (alarm)

Undervoltage (trip)

Undervoltage (alarm)

Loss of voltage (trip)

Loss of voltage (alarm)

PT disconnection

Three phase auto-reclose

Under frequency

Over frequency

Post-accelerated overcurrent

Overvoltage (alarm)

Loss of voltage (trip)

Blocking rotor

Capacitor undervoltage

Unbalance voltage

Unbalance current

Residual overvoltage (trip)

Residual overvoltage (alarm)

Non-electricity

Starting time-out

Directional power

Thermal overload（trip/alarm）

Negative sequence overcurrent (2 stages/IDMT)

Overvoltage average

Overcurrent average

Incorrect phase sequence

Bus tie and standby power automatic switch

0.4kV standby power automatic switch

FC block

Rear Ports

RS485 (2 ports)

-01- Installation and operation instruction

Functions

Protection Functions AM5-F T M C B U2U1 DB

AM5

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Model Description

A M

Protection relay

Serial number5

U PT supervision

PT parallel connectionBL

0.4KV standby power automatic transferDB

Bus tie protectionB

Capacitor protectionC

M Motor protection

T Transformer protection

Line protectionF

1

5

I : 1 A

5 A

1

5

I0N : 1 A

5 A

1

2

3

Power : 110 V AC / DC

220 V AC / DC

48 V DC

1

2

1

2

1

2

Communication port :RS 485 (1 port)

RS 485 (2 port)

Anti-pumping : with without

GPS : with

without

Note: ■standard □optional

F T M C B U2U1 DB

Protection relaySerial number

Wiring

Operation Process

■ Dimensions

-02- Installation and operation instruction

AM5AM5-

F T M C B U2U1 DB

F T M C B U2U1 DB

F T M C B U2U1 DB

F T M C B U2U1 DB

F T M C B U2U1 DB

Modbus serial

IEC 60870-5-103

IEC 60870-5-101

Logs and Records

Tripping context records

Sequence of event records

Measurement

Electric parameter

Input current

Input voltage

Monitoring Functions

Anti-pumping circuit

Remote control

Others

GPS

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U, I, P, Q, PF, F, Ep, Eq, Es

8

4

8

4

8

4

8

4

8

4

8

4

0

4

0

8

Optional

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■ Cut-out Dimensions ■ Wirng

17189221

243.

5

164

267

260.

524

5.5

158108

Note: ■standard □optional

Protocols