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DC High Speed Circuit Breakers
DC High Speed Circuit Breakers
IR2000
IR6040
IR6080
IR6040IEEE
IR6080IEEE
IR6040ML
IR6080ML
IRA
IR6040SV
IR6025SV
IR2000SV
IR6021SV
Microelettrica USA
Randolph - NJ - USA
Microelettrica do Brasil
São Paulo - Brazil
MS Resistances
Lyon - France
Heine Resistors GmbH
Dresden - Germany
Microelettrica Scientifica S.p.A. - Headquarter
Milano - Italy
MSA Elektroteknik
Instanbul - Turkey
Microelettrica Scientifica (PTY) Ltd. South Africa
Johannesburg - Republic of South Africa
Knorr-Bremse India Private Ltd. (productive localization)
Faridabad - India
Heine Resistors (Suzhou) Co. Ltd.
Taicang - China
5020
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For information on sales
network and products please visit
www.microelettrica.com
2 3
Applications
Vehicles
DC Substations
Industry
Microelettrica Scientifica is a
global leader in the design and
manufacturing of DC High Speed
Circuit Breakers for Vehicles,
DC Substations and Industrial
applications. Our Breakers Division
offers the full range of HSCB
that can be personalized in most
details. At the same time, we are
capable of tailor-engineering and
validating customized versions
of most of our products, to fit
the Customers' applications
needs in the most efficient way.
Our quality system is in compliance
with standards ISO9001:2008;
ISO14001:2004 and IRIS Rev.2.
Our DC High Speed Circuit Brakers
experience and tradition began
in the 1930’s as CGE (General
Company of Electricity, leader
in Italy in the electric traction
field) with the production of
the first device for the Italian
Railways, based on GENERAL
ELECTRIC (USA) licence agreement.
In the 1960’s the activity moved
to ASGEN and later to ANSALDO
as EMC Operating Unit.
EMC Traction was born in 2000
as a spin-off of the EMC Operating
Unit from ANSALDO and it was
acquired by IMPULSE NC
(part of Marmon Group), the US
leading supplier of transit
turnkey substation solutions.
In 2009 EMC Traction was acquired
by Microelettrica Scientifica.
Microelettrica Scientifica is a global
leader in state-of-the-art
electromechanical and electronic
components and systems for Rail
vehicles, DC Traction power and
Energy & Industry applications.
Since 2005 Microelettrica Scientifica
is part of Knorr-Bremse Group,
the German world leader in rail
and commercial vehicles braking
systems. The Knorr-Bremse Group
product portfolio also includes
doors and entrance systems and
HVAC systems for Rail vehicles,
as well as platform screen doors
and gates for railway stations.
Microelettrica Scientifica S.p.A.
S.S. 11 Padana Superiore, 133
20090 Vimodrone (MI)
Tel.: +39 02 265181
Fax: +39 02 2651824
www.microelettrica.com
Products
HSCB IR2000
IR6040
IR6080
IR6040IEEE
IR6080IEEE
IR6040ML
IR6080ML
IRA
IR6040SV
IR6025SV
IR2000SV
IR6021SV
The IR2000 Series are single pole, magnetic blow out, trip free, air circuit breakers.
The closing mechanism is an independent motor operated type. The IR2000 Circuit Breaker
is held closed by holding coil or by permanent magnet device and is equipped with a direct
acting over-current trip device which may be either unidirectional and bidirectional.
The breaker conforms to IEEE 37-14, IEEE 37-16, EN 50123 Standards.
Applications
DC Substations
Industry
IR2030 IR2030
Rated voltage [V] Un 750 1500
Rated current [A] In Up to 3000 Up to 3000
Short circuit breaking capacity (IEEE 37-14) Ue 800 [V]
Îcc 100 [kA] - Peak
Icc 60 [kA] - Steady State
Short circuit breaking capacity (EN 50123) Ue 900 [V] 1800 [V]
Îcc 70 [kA] - Peak 45 [kA] - Peak
Icc 50 [kA] - Steady State 25 [kA] - Steady State
Tripping direction Indipendent Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 1000 up to 6000 [A] From 1000 up to 6000 [A]
Overload 1 min I 8500A 8500A
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 220 24 ÷ 220
Type of closing device With servomotor With servomotor
Type of holding device [E= Electrical ; M= Magnetic] E or M E or M
Note
Available aux contacts 6 NC + 5 NO 6 NC + 5 NO
Weight kg 39 49
Technical Data IR2000
4 5D C H i g h S p e e d C i r c u i t B r e a k e r s
532
450
480
19
53
0
53
.55
5
39
4 /
47
8
17
15
156 max
36 200 15
222
32
Overall Dimensions: mm
IR6040The IR6040 Electromagnetic latch Series is fixed or withdrawable, single pole magnetic blow
out, trip free, air circuit breakers. The closing mechanism is an independent motor operated
type. The breaker is held closed by holding coil and is equipped with a direct acting
over-current trip device which may be either unidirectional or bidirectional.
The breaker conforms EN 50123 Standard.
Applications
DC Substations
Industry
6 7D C H i g h S p e e d C i r c u i t B r e a k e r s
IR6040 IR6040 IR6040
Rated voltage [V] Un 750 1500 3000
Rated current [A] In Up to 4000 Up to 4000 Up to 4000
Short circuit breaking capacity (EN 50123) Un 800 [V] 1800 [V] 3600 [V]
Icc 120 [kA] - Peak 100 [kA] - Peak 100 [kA] - Peak
Icc 90 [kA] - Steady State 70 [kA] - Steady State 70 [kA] - Steady State
Tripping Direction Indipendent Uni and Bidirectional Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 500 to 20000 [A] From 500 to 20000 [A] From 500 to 20000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 220 24 ÷ 220 24 ÷ 220
Type of closing device With servomotor With servomotor With servomotor
Type of holding device [EM= Electtromagnetic] EM EM EM
Note
Available contacts 6 NO + 6 NC 6 NO + 6 NC 6 NO + 6 NC
Weight kg 160 165 202
Technical Data
584
(22.99)
545
768(21.45)
(30.23)
89 89
(3.50) (3.50) (6.34)
161
10
15
(36
.96
)6
29
(24
.76
)
17
04
04
(6.6
9)
(15
.90
)
15
0
(5.9
0)
64
(2.5
2) max 60
(2.36)
307
232
185
(7.28)
(12.09)
(9.13)
Overall Dimensions: mm (inches)
8 9D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6080 Electromagnetic latch Series is fixed or withdrawable, single pole magnetic blow
out, trip free, air circuit breakers. The closing mechanism is an independent motor operated
type. The breaker is held closed by holding coil and is equipped with a direct acting
over-current trip device which may be either unidirectional or bidirectional.
The breaker conforms to EN 50123 Standard.
Applications
DC Substations
Industry
IR6080IR6080 IR6080 IR6080
Rated voltage [V] Un 750 1500 3000
Rated current [A] In Up to 8000 Up to 8000 Up to 6000
Short circuit breaking capacity (EN 50123) Un 800 [V] 1800 [V] 3600 [V]
Icc 120 [kA] - Peak 100 [kA] - Peak 100 [kA] - Peak
Icc 90 [kA] - Steady State 70 [kA] - Steady State 70 [kA] - Steady State
Tripping Direction Independent Uni and Bidirectional Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 500 to 32000 [A] From 500 to 32000 [A] From 500 to 32000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 220 24 ÷ 220 24 ÷ 220
Type of closing device With servomotor With servomotor With servomotor
Type of holding device [EM= Electtromagnetic] EM EM EM
Note
Available contacts 6 NO + 6 NC 6 NO + 6 NC 6 NO + 6 NC
Weight – Up to 8kA kg 162 167 210
Technical Data
840 (33.07) min
440 (17.32) 200 (7.87)
545 (21.46)
89 (3.50)
135±2
(5.31±0.08
)
78 (3.07)
63
±2
(2.4
8±
0.1
)
11
9±
2
(4.6
9±
0.0
8
)
18
1 (
7.1
3)
18
1 (
7.1
3)
10
30
(4
0.5
5)
343 (13.50)
269±1
(10.59±0.04
)
170 (6.69) 160 (6.30) 170 (6.69)
30
0 (
11
.81
)
Overall Dimensions: mm (inches)
10 11D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6040 with Permanent Magnet and Electromagnetic latch Series is fixed
or withdrawable, single pole magnetic blow out, trip free, air circuit breakers.
The closing mechanism is an independent motor operated type. The breaker is held closed
by Permanent Magnet and is equipped with a direct acting over-current trip device which
may be either unidirectional or bidirectional. It is equipped with an opening manual device.
The breaker conforms to IEEE 37-14, IEEE 37-16 Standards as a FEEDER BREAKER.
Applications
DC Substations
Industry
IR6040IEEEIR6040 IR6040
Rated voltage [V] Un 800 1200
Rated current [A] In Up to 4000 Up to 4000
"Short circuit breaking capacity (IEEE 37-14)" Ue 800 [V] 1200 [V]
Îcc 200 [kA] - Peak 135 [kA] - Peak
Icc 120 [kA] - Steady State 80 [kA] - Steady State
Tripping direction indipendent Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 500 to 20000 [A] From 500 to 20000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 220 24 ÷ 220
Type of closing device With servomotor With servomotor
Type of holding device [PM= Permanent Magnet] M M
Note
Available contacts 6 NC + 6 NO 6 NC + 6 NO
Weight – Up to 4kA kg 160 160
Technical Data
482
(19.00)
545
768
(21.45)
(30.23)
89 89
(3.50) (3.50) (6.34)
161
10
30
(14
0.5
5)
63
0
(24
.08
)
17
04
04
(6.6
9)
(15
.90
)
15
0
(5.9
0)
64
(2.5
2)
max 60
(2.36)
307
232
184
(7.24)
(12.09)
(9.13)
Overall Dimensions: mm (inches)
12 13D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6080 with Permanent Magnet and Electromagnetic latch Series is fixed
or withdrawable, single pole magnetic blow out, trip free, air circuit breakers.
The closing mechanism is an independent motor operated type. The breaker is held closed
by Permanent Magnet and is equipped with a direct acting over-current trip device which
may be either unidirectional or bidirectional. It is equipped with an opening manual device.
The breaker conforms to IEEE 37-14, IEEE 37-16 Standards as a FEEDER BREAKER.
Applications
DC Substations
Industry
IR6080IEEEIR6080 IR6080
Rated voltage [V] Un 800 1200
Rated current [A] In Up to 8000 Up to 8000
"Short circuit breaking capacity (IEEE 37-14)" Ue 800 [V] 1200 [V]
Îcc 200 [kA] - Peak 135 [kA] - Peak
Icc 120 [kA] - Steady State 80 [kA] - Steady State
Tripping direction indipendent Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 500 to 20000 [A] From 500 to 20000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 220 24 ÷ 220
Type of closing device With servomotor With servomotor
Type of holding device [PM= Permanent Magnet] M M
Note
Available contacts 6 NC + 6 NO 6 NC + 6 NO
Weight – Up to 8kA kg 162 162
Technical Data
840 (33.07) min
440 (17.32) 200 (7.87)
545 (21.46)
89 (3.50)
135±2
(5.31±0.08
)
78 (3.07)
63
±2
(2.4
8±
0.1
)
11
9±
2
(4.6
9±
0.0
8
)
18
1 (
7.1
3)
18
1 (
7.1
3)
10
30
(4
0.5
5)
343 (13.50)
269±1
(10.59±0.04
)
170 (6.69) 160 (6.30) 170 (6.69)
30
0 (
11
.81
)
Overall Dimensions: mm (inches)
14 15D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6040 Mechanical Latch Series is fixed or withdrawable, single pole magnetic blow out,
trip free, air circuit breakers. The closing mechanism is an independent motor operated type.
The breaker is held closed by a mechanic latch and is equipped with a direct acting
over-current trip device. The breaker conforms to IEEE 37-14, IEEE 37-16 Standards
as a RECTIFIER BREAKER.
Applications
DC Substations
Industry
IR6040ML Technical Data
IR6040ML IR6040ML IR6000ML IR6000ML
Rated voltage [V] Un 800 1200 800 1200
Rated current [A] In Up to 4000 Up to 4000 Up to 4000 Up to 4000
Short circuit breaking capacity RECTIFIER RECTIFIER FEEDER FEEDER
(IEEE 37-14) Ue 800 [V] 1200 [V] 800 [V] 1200 [V]
Icc 149 [kA] - Peak 100 [kA] - Peak 200 [kA] - Peak 132 [kA] - Peak
Icc 90 [kA] - Steady State 60 [kA] - Steady State 120 [kA] - Steady State 80 [kA] - Steady State
Tripping direction Uni and Bidirectional
Auxiliary circuit
Rated voltage [VDC] Un 48 ÷ 225 48 ÷ 225 48 ÷ 225 48 ÷ 225
Type of closing device With servomotor
Type of holding device ML ML ML ML
[ML= Mechanichal Latch]
Note
Available contacts 6 NO + 6 NC 6 NO + 6 NC 6 NO + 6 NC 6 NO + 6 NC
Weight – Up to 4kA kg 125 125 125 125
482
(19.00)
545
768
(21.45)
(30.23)
89 89
(3.50) (3.50) (6.34)
161
10
30
(14
0.5
5)
63
0
(24
.08
)
17
04
04
(6.6
9)
(15
.90
)
15
0
(5.9
0)
64
(2.5
2)
max 60
(2.36)
307
232
184
(7.24)
(12.09)
(9.13)
Overall Dimensions: mm (inches)
16 17D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6080 Mechanical Latch Series is fixed or withdrawable, single pole magnetic blow out,
trip free, air circuit breakers. The closing mechanism is an independent motor operated type.
The breaker is held closed by a mechanic latch and is equipped with a direct acting
over-current trip device. The breaker conforms to IEEE 37-14, IEEE 37-16 Standards
as a RECTIFIER BREAKER.
Applications
DC Substations
Industry
IR6080ML Technical Data
IR6000ML IR6000ML IR6000ML IR6000ML
Rated voltage [V] Un 800 1200 800 1200
Rated current [A] In Up to 10000 Up to 10000 Up to 10000 Up to 10000
Short circuit breaking capacity RECTIFIER RECTIFIER FEEDER FEEDER
(IEEE 37-14) Ue 800 [V] 1200 [V] 800 [V] 1200 [V]
Icc 149 [kA] - Peak 100 [kA] - Peak 200 [kA] - Peak 132 [kA] - Peak
Icc 90 [kA] - Steady State 60 [kA] - Steady State 120 [kA] - Steady State 80 [kA] - Steady State
Tripping direction Uni and Bidirectional
Auxiliary circuit
Rated voltage [VDC] Un 48 ÷ 225 48 ÷ 225 48 ÷ 225 48 ÷ 225
Type of closing device With servomotor
Type of holding device ML ML ML ML
[ML= Mechanichal Latch]
Note
Available contacts 6 NO + 6 NC 6 NO + 6 NC 6 NO + 6 NC 6 NO + 6 NC
Weight – Up to 10kA kg 160 160 160 160
840 (33.07) min
440 (17.32) 200 (7.87)
545 (21.46)
89 (3.50)
135±2
(5.31±0.08
)
78 (3.07)
63
±2
(2.4
8±
0.1
)
11
9±
2
(4.6
9±
0.0
8
)
18
1 (
7.1
3)
18
1 (
7.1
3)
10
30
(4
0.5
5)
343 (13.50)
269±1
(10.59±0.04
)
170 (6.69) 160 (6.30) 170 (6.69)
30
0 (
11
.81
)
Overall Dimensions: mm (inches)
18 19D C H i g h S p e e d C i r c u i t B r e a k e r s
The IRA Series is single pole, magnetic blow out, trip free, air circuit breakers.
The breaker closing device is electromagnetic (for Substation and Industry applications)
or electropneumatic (for Locomotives). The breaker is held closed by a holding coil
and is equipped with a direct acting unidirectional over-current trip device.
Applications
DC Substations
Industry
Vehicles
IRAIRA IRA IRA
Rated voltage [V] Un 750 1500 3000
Rated current [A] In Up to 3000 Up to 3000 Up to 3000
Short circuit breaking capacity Ue 750 [V] 1800 [V] 3600 [V]
Îcc 120 [kA] - Peak 100 [kA] - Peak 100 [kA ]- Peak
Icc 90 [kA] - Steady State 60 [kA] - Steady State 60 [kA] - Steady State
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 250 24 ÷ 250 24 ÷ 250
Type of closing device Solenoid Solenoid Solenoid
Type of holding device [EM= Electtromagnetic] EM EM EM
Note
Available contacts 4 NO + 4 NC 4 NO + 4 NC 4 NO + 4 NC
Weight (1500A version) kg 175 178 225
Technical Data
980
11
33
571min 568
max 574
772
200
600
287
176
252
14
33
Overall Dimensions: mm
20 21D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6040SV (Vertical) Series is single pole, magnetic blow out, trip free, magnetic latch,
air circuit breakers. The breaker closing mechanism is an independent motor operated type.
The breaker is held closed by holding coil or by a permanent magnet and is equipped with
a direct acting over-current trip device which may be either unidirectional or bidirectional.
The breaker may be operated as single voltage (1500, 3000V) or dual voltage (1500/3000V).
The breaker conforms to EN60077 Standard.
Applications
Vehicles
IR6040SVIR6040SV IR6040SV
Rated voltage [V] Un 1500 3000
Rated current [A] In Up to 4000 Up to 4000
Short circuit breaking capacity (CEI EN 60077) Un 1800 [V] 3600 [V]
Icc 100 [kA] - Peak 60 [kA] - Peak
Icc 70 [kA] - Steady State 40 [kA] - Steady State
Tripping direction Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 2000 to 5000 [A] From 2000 to 5000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 110 24 ÷ 110
Type of closing device With servomotor With servomotor
Type of holding device [EM= Electtromagnetic] EM EM
Note
Available contacts 5 NO + 5 NC 5 NO + 5 NC
Weight kg 190 212
Technical Data
650
12
50
424
M12106
56
Earthing point
464Overall Dimensions: mm
22 23D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6025SV (Horizontal) Series is single pole, magnetic blow out, trip free, magnetic latch,
air circuit breakers. The breaker closing mechanism is an independent motor operated type.
The breaker is held closed by holding coil or by a permanent magnet and is equipped with
a direct acting over-current trip device which may be either unidirectional or bidirectional.
The breaker may be operated as single voltage (1500, 3000V) or dual voltage (1500/3000V).
The breaker conforms to EN60077 Standard.
Applications
Vehicles
IR6025SVIR6000SV IR6000SV
Rated voltage [V] Un 1500 3000
Rated current [A] In Up to 2500 Up to 2500
Short circuit breaking capacity (CEI EN 60077) Un 1800 [V] 3600 [V]
Icc 100 [kA] - Peak 60 [kA] - Peak
Icc 70 [kA] - Steady State 40 [kA] - Steady State
Tripping direction Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 2000 to 5000 [A] From 2000 to 5000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 110 24 ÷ 110
Type of closing device With servomotor With servomotor
Type of holding device EM / PM EM / PM
[EM= Electtromagnetic; PM= Permanent Magnet]
Note
Available contacts 5 NO + 5 NC 5 NO + 5 NC
Weight kg 260 260
Technical Data
1200
(4) o 17
800 120
68
06
10
47
07
0
45
56
0
Overall Dimensions: mm
24 25D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR2000SV Series is a single pole, magnetic blow out, trip free, High Speed Circuit Breaker.
The closing mechanism is an independent motor operated type. The Circuit Breaker is held
closed by holding coil and it is equipped with a direct acting overcurrent trip device which
may be either unidirectional and bidirectional. The breaker may be operated as single voltage
(750, 1500V) or dual voltage (750/1500V). The HSCB conforms to EN 60077 Standard.
Applications
Vehicles
IR2000SVIR2000SV IR2000SV
Rated voltage [V] Un 750 1500
Protection Degrees in Box IP45 IP45
Rated current [A] In Up to 3000 Up to 3000
Short circuit breaking capacity (IEC 60077) Ue 900 [V] 1800 [V]
Îcc 50 [kA] - Peak 45 [kA] - Peak
Icc 30 [kA] - Steady State 25 [kA] - Steady State
Tripping direction Uni and Bidirectional Uni and Bidirectional
Trip setting of overcurrent release I From 1000 to 6000 [A] From 1000 to 6000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 110 24 ÷ 110
Type of closing device With servomotor With servomotor
Type of holding device [E= Electrical ; M= Magnetic] E o M E o M
Note
Available contacts 6 NO + 5 NC 6 NO + 5 NC
Weight (version with box) kg 56 85
Technical Data
532
450
480
19
53
0
53
.55
5
39
4 /
47
8
17
15
156 max
36 200 15
222
32
Overall Dimensions: mm (inches)
26 27D C H i g h S p e e d C i r c u i t B r e a k e r s
The IR6021 SV (Horizontal) Series is single pole, magnetic blow out, trip free, magnetic latch,
air circuit breakers. The breaker closing mechanism is an independent motor operated type.
The breaker is held closed by holding coil or by a permanent magnet and is equipped with
a direct acting over-current trip device which may be either unidirectional or bidirectional.
The breaker may be operated as single voltage (1500, 3000V) or dual voltage (1500/3000V).
The breaker conforms to EN 60077 Standard.
Applications
Vehicles
IR6021SVIR6021SV Horizontal
Rated voltage [V] Un 1500 - 3000
Rated current [A] In 2100
Short circuit breaking capacity (CEI EN 60077) Un 1800 [V] - 3600 [V]
Icc 100 [kA] - Peak
Icc 70 [kA] - Steady State
Tripping direction Uni and Bidirectional
Trip setting of overcurrent release I From 2000 to 5000 [A]
Auxiliary circuit
Rated voltage [VDC] Un 24 ÷ 110
Type of closing device With servomotor
Type of holding device EM
[EM=Electtromagnetic; PM= Permanent Magnet]
Auxiliary contacts
Available contacts 5 NO + 5 NC
Weight kg 300
Technical Data
160035
52
7
56
4
1601330±3
80
0±
2
90
0
019
Overall Dimensions: mm
Microelettrica USA
Randolph - NJ - USA
Microelettrica do Brasil
São Paulo - Brazil
MS Resistances
Lyon - France
Heine Resistors GmbH
Dresden - Germany
Microelettrica Scientifica S.p.A. - Headquarter
Milano - Italy
MST Elektroteknik
Istanbul - Turkey
Microelettrica Scientifica (PTY) Ltd. South Africa
Johannesburg - Republic of South Africa
Knorr-Bremse India Private Ltd. (productive localization)
Faridabad - India
Heine Resistors (Suzhou) Co. Ltd.
Taicang - China
5020
728
- INB
- Ne
w E
ditio
n Fe
brua
ry 2
012
- BTS
Adv
. Tor
ino
- Prin
ted
by G
RAFA
RT
For information on sales
network and products please visit
www.microelettrica.com
