Service Breakers

Service Breakers

Circuit breakers are devices designed to open or interrupt an electrical circuit when the current exceeds a preset value or a short circuit occurs, preventing damage to machinery and installations. Unlike fuses, they do not require replacement after each operation; simply reset the alarm via the switch. ABB offers a comprehensive...

Service Breakers

Circuit breakers are devices designed to open or interrupt an electrical circuit when the current exceeds a preset value or a short circuit occurs, preventing damage to machinery and installations. Unlike fuses, they do not require replacement after each operation; simply reset the alarm via the switch. ABB offers a comprehensive range of service breakers, including open frame and molded case circuit breakers, covering all protection needs with features like adjustable trip settings, high breaking capacities, and various pole configurations (3P, 4P).

These breakers are essential in industrial and commercial electrical panels, distribution boards, and automation systems. They are used in sectors such as manufacturing, energy, infrastructure, and building management, providing reliable overcurrent and short-circuit protection for motors, transformers, and other critical equipment.

Key subcategories include molded case circuit breakers (MCCBs) like the ABB SACE Tmax series (e.g., T1, T2, T3, T4, T5, T6) and open frame breakers (ACBs) such as the ABB SACE Emax series (e.g., E1, E2, E3, E4, E6). Article codes typically follow a pattern like '1SDA...' for MCCBs and '1SDA...' for ACBs, indicating specific ratings and accessories.

We offer express worldwide shipping and specialized engineering support for product selection, configuration, and troubleshooting, ensuring optimal protection for your electrical systems.

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Manufacturer Code Reference Catalog Number Description Delivery Price

1SDA054061R1

1SDA054061R1

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Circuit breaker TMAX fixed four-pole with front terminals and solid-state release in AC

T4H250 PR221DS I R160 4P F F

T4H 250 PR221DS-I In=160 4p F F

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2CSG252211R1202

ELR48P

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Residual current relay

Residual Current Monitor ELR - Type A

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1SFL551001R2711

A300-30-11-27

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110V 50Hz / 115V 60Hz Contactor

A300-30-11 110V 50Hz / 115V 60Hz Contactor

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1SFL551001R8011

1SFL551001R8011

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A300-30-11 220-230V 50Hz / 230-240V 60Hz Contactor

A300-30-11 220-230V 50Hz / 230-240V 60Hz Contactor

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1SDA056327R1

1SDA056327R1

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E3S 3200 PR123/P-LSIG In=3200A 3p W MP

E3S3200 PR123/P LSIG 3P W MP

E3S 3200 PR123/P-LSIG In=3200A 3p W MP

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1SDA038325R1

1SDA038325R1

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CLOSING SPRING ELECTR.INDICATION E1/6

ELECT SIGNAL. LOADED SPRINGS - E1/6

CLOSING SPRING ELECTR.INDICATION E1/6

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1SDA050157R1

1SDA050157R1

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SOR YO2 COIL OPENING 24VDC

SISTER YO2 COIL OPENING 24VDC

SHUNT OPEN.RELEASE ADDITIO 24VDC E1/6-T8

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1SDA050158R1

1SDA050158R1

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SOR YO2 COIL OPENING 30VAC/DC

SISTER YO2 COIL OPENING 30VAC/DC

SHUNT OPEN.RELEASE ADDITIONA 30V E1/6-T8

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1SDA050159R1

1SDA050159R1

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SOR YO2 COIL OPENING 48VAC/DC

SISTER YO2 COIL OPENING 48VAC/DC

SHUNT OPEN.RELEASE ADDITIONA 48V E1/6-T8

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1SDA050160R1

1SDA050160R1

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SOR YO2 COIL OPENING 60VAC/DC

SISTER YO2 COIL OPENING 60VAC/DC

SHUNT OPEN.RELEASE ADDITIONA 60V E1/6-T8

3 View Availability View Price

1SDA050161R1

1SDA050161R1

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SOR YO2 OPENING COIL 110-120VAC/DC

SISTER YO2 COIL OPENING 110-120VAC/DC

SHUNT OPEN.RELEAS ADDIT.110/120V E1/6-T8

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1SDA050162R1

1SDA050162R1

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SOR YO2 OPENING COIL 120-127VAC/DC

SISTER YO2 COIL OPENING OF 120-127VAC/DC

SHUNT OPEN.RELEAS ADDIT.120/127V E1/6-T8

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1SDA050163R1

1SDA050163R1

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SOR YO2 COIL OPENING 220-240VAC/DC

SISTER YO2 COIL APERTURE 220-240VAC/DC

SHUNT OPEN.RELEAS ADDIT.220/240V E1/6-T8

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1SDA050164R1

-

-

SISTER YO2 COIL OPENING OF 240-250VAC/DC

SHUNT OPEN.RELEAS ADDIT.240/250V E1/6-T8

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1SDA050165R1

1SDA050165R1

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SOR YO2 OPENING COIL 380-400VAC

SISTER YO2 COIL OPENING 380-400VAC

SHUNT OPEN.REL.ADDI. 380/400V AC E1/6-T8

3 View Availability View Price

1SDA050166R1

1SDA050166R1

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SOR YO2 COIL OPENING 440-480VAC/DC

SISTER YO2 COIL OPENING 440-480VAC/DC

SHUNT OPEN.REL.ADDIT. 440V AC E1/6-T8

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1SDA064503R1

1SDA064503R1

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KLC OPEN KEY LOCK N20009 - E1/6-T8

KLC LOCK OPEN KEYS N20009 - E1/6-T8

KEY LOCK OPEN POS. N.20009 E1/6 new

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1SDA066053R1

1SDA066053R1

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MOTOR CONTROL 220-250VAC/DC+MC 24Vdc

CONTROL ENGINE 220-250VAC/DC+MC 24Vdc

G.MOTOR DEVICE 220..250V E1/6-T8+SC24Vdc

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1SFL511001R8011

A210-30-11-80

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3-phase contactor 220-230V 50Hz / 230-240V 60Hz

A210-30-11 220-230V 50Hz / 230-240V 60Hz Contactor

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1SDA056813R1

1SDA056813R1

E4S 4000 PR122/P-LSIG In=4000A 4p W MP

SACE EMAX MOVING PART FOR CIRCUIT BREAKER E4S 4000A FOUR-POLE OVERCURRENT RELEASE PR122/P-LSIG R4000 FITTED WITH: 4 AUXILIARY CONTACT AND CIRCUIT BREAKER IN POSITION OPEN-CLOSED

E4S4000 PR122/P LSIG 4P W MP

E4S 4000 PR122/P-LSIG In=4000A 4p W MP

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1SDA055578R1

1SDA055578R1

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SACE EMAX MOVING PART FOR CIRCUIT-BREAKER E6H 5000A/F FULL SIZE NEUTRAL FOUR-POLE OVERCURRENT RELEASE PR121/P-LSIG R5000 FITTED WITH: 4 AUXILIARY CONTACT AND C.BREAKER IN POSITION OPEN-CLOSED

E6H/f 5000 PR121/P LSIG 4P W MP

E6H/f 5000 PR121/P-LSIG In=5000A 4p W MP

3 View Availability View Price

1SFL491001R8411

A185-30-11-84

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A185-30-11 110V 50Hz / 110-120V 60Hz Contactor

A185-30-11 110V 50Hz / 110-120V 60Hz Contactor

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1SDA055751R1

1SDA055751R1

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E1N1250 PR123/P LSIG 3P W MP

E1N 1250 PR123/P-LSIG In=1250A 3p W MP

E1N 1250 PR123/P-LSIG In=1250A 3p W MP

3 View Availability View Price

1SDA056807R1

1SDA056807R1

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E4S4000 PR123/P LSIG 3P W MP

E4S 4000 PR123/P-LSIG In=4000A 3p W MP

E4S 4000 PR123/P-LSIG In=4000A 3p W MP

3 View Availability View Price

1SBL181001R8010

-

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A16-30-10 220-230V 50Hz / 230-240V 60Hz Contactor

A16-30-10 220-230V 50Hz / 230-240V 60Hz Contactor

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SK825485-AF

-

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EHDB220-21-11 110V 50Hz Contactor

EHDB220-21-11 110V 50Hz Contactor

3 View Availability View Price

1SDA053679R1

-

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SHUNT OPENING RELEASE WIRED 24...30V AC-DC T1-T2-T3 UL/CSA

SOR-C T1...T3 UL/CSA 24...30Va.c./d.c.

3 View Availability View Price

1SDA054079R1

1SDA054079R1

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T4 classic range

T4L 250 PR222DS/P-LSIG In=160 3p F F

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1SDA054646R1

1SDA054646R1

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RELE ELECT. PR222DS/PD LSIG In250 4P -T4

RELE ELECT. PR222DS/PD LSIG In250 4P -T4

PR222DS/PD-LSIG In=250 MODBUS T4 4p

3 View Availability View Price

1SDA056303R1

1SDA056303R1

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E3S2500 PR123/P LSIG 4P W MP

E3S2500 PR123/P LSIG 4P W MP

E3S 2500 PR123/P-LSIG In=2500A 4p W MP

3 View Availability View Price

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