Circuit Breakers

ABB's Circuit Breakers portfolio includes options such as Molded Case, Low Voltage, Medium Voltage Indoor Power Circuit Breakers, Miniature Circuit Breakers, Enclosed Circuit Breakers, AC Circuit Breakers for Railway, Insulated Case Circuit Breakers and Residential Circuit Breakers from brands like SACE® Tmax®, ProLine, EntelliGuard and Power Break II.

DC High Speed Circuit Breakers

Gerapid

2600 to 8000A. Single Pole. For use in high energy, high reliability DC power distribution systems.

Enclosed Circuit Breakers

ABB offers a variety of NEMA enclosure types designed to protect against a variety of environmental conditions in non-hazardous locations.

Residential Enclosed Circuit Breakers - NEMA 3R

Outdoor NEMA 3R Enclosed Circuit Breakers range from 100A to 200A (100A, 125A, 150A, and 200) and AIC rating of 10 or 22 KAIC. Meet NEC 2020+ outdoor disconnect requirements.

Insulated Case Circuit Breakers

Power Break II

800 to 4000A. This breaker provides reliable, flexible and easy-to use circuit protection. Utilizes the EntelliGuard* TU trip unit.

Low Voltage Power Circuit Breakers

SACE Emax 2

Air circuit breakers up to 6300A. From circuit breaker to power manager

Medium Voltage Circuit Breakers

ADVAC Indoor Vacuum Circuit Breaker

The ADVAC series is a complete line of ANSI-rated vacuum circuit breakers with a spring-charged mechanism.

ADVAC 38 Vacuum Circuit Breaker

A new 38 kV class medium voltage vacuum circuit breaker with the EL mechanism and best-in-class vacuum interrupter technology up to 40.5 kV, 3000 A, and 40 kA.

ADVAC G Indoor Vacuum Circuit Breaker

ADVAC-G provides full protection for generator applications in a small footprint

AMVAC Indoor Vacuum Circuit Breaker

The AMVAC series utilizes magnetic actuation technology to provide a more reliable and longer-lasting solution

FSK II+ IEC Outdoor AC Railways Vacuum Circuit Breaker

Single or two-phase outdoor vacuum breaker with a magnetic actuator for railway power supply (RPS)

GSL II IEC Outdoor AC Railways Vacuum Circuit Breaker

Single-pole and double pole outdoor vacuum load break switch and vacuum circuit-breaker with magnetic actuator for railway applications.

Medium Voltage Indoor/outdoor Embedded Poles

Medium voltage poles with vacuum interrupters embedded for circuit breaker construction, up to 40.5 kV, 4000 A, 50 kA

Medium Voltage Vacuum Interrupters

Proven in thousands of application ABB vacuum interrupters are the perfect core component for every switching device

VD4-AF Indoor Vacuum Circuit Breaker

VD4-AF offers safer and more relentless steel furnace operation and protection

VD4 ANSI UL 15KV 1200/2000 40KA medium voltage vacuum circuit breaker

VD4 ANSI UL 15KV 1200/2000 40KA Vacuum Circuit Breaker

A narrow MV circuit breaker with EL spring mechanism and new recyclable embedded poles up to 15 kV, 40 kA, 2000 A.

VD4-CS Indoor Circuit Breaker

VD4-CS provides noise-free power quality by safe and reliable switching and protection of capacitor banks

VD4G Vacuum Generator Circuit Breaker

VD4G offers a small footprint and full protection for generator switching applications.

ABB VM1 ABB MV indoor vacuum circuit breaker

VM1 Circuit Breakers

VM1 circuit breakers utilize a magnetic drive that activates the moving contacts of interrupters and integrates all the functions of a traditional drive.

Circuit Breaker Trucks

Service trucks for temporary inspection, maintenance, and earthing of medium voltage panels

Medium Voltage Outdoor Dead Tank Breakers

R-MAG - Outdoor Magnetically Actuated Circuit Breaker

R-MAG offers a maintenance-free, magnetically-actuated mechanism that provides unparalleled reliability and safety in the field

Miniature Circuit Breakers & Supplementary Protectors

UL489 Miniature Circuit Breakers

UL489 MCBs feature two tripping mechanisms, the delayed thermal tripping mechanism and the magnetic tripping mechanism, to ensure electrical safety in multiple applications.

UL1077 Miniature Circuit Breakers

UL1077 MCBs feature two tripping mechanisms, the delayed thermal tripping mechanism and the magnetic tripping mechanism, to ensure electrical safety in multiple applications.

E90 Fuse Holders

E90 is the ideal protection against short-circuits and overloads for a wide range of applications. E90 is designed for quick, flexible, and error-proof installation.

Residual Current Devices – RCDs

RCDs are the safest device to detect and trip against ground faults, thus ensuring protection against electric shock caused by indirect contacts.

Molded Case Circuit Breakers (MCCB)

ABB offers an expansive offering of Molded case circuit breakers for your projects from brands like SACE® Tmax®, TEY Lighting Panel Circuit Breakers, Thermal Magnetic and ProLine.

SACE Tmax XT

SACE® Tmax® XT - ABB's newest line of MCCBs are available up to 1600A; globally certified UL/CSA/IEC

SACE Tmax T

SACE® Tmax® T - A complete range of molded case circuit-breakers up to 3200 A. All the circuit-breakers, both three-pole and four-pole, are available in fixed versions.

SACE FORMULA

ABB‘s SACE® FORMULA molded case circuit breaker line offers simplicity and quality in some of the smallest dimensions available.

Record Plus

FB100, available up to 600A with interruption capacities up to 200kAIC.

TEY Lighting Panel Circuit Breakers

15-125A; Designed for use in lighting panel applications. Internal accessories and mounting bases make them suited for individual mounting as well.

Thermal Magnetic E150

15 to 150A. Our industrial thermal-magnetic E150 breakers provide a proven, cost-effective solution.

ProLine Circuit Breaker

The ProLine Circuit Breaker is the industry's first UL approved current limiting breaker to be used in a panelboard application.

Q-Line Miniature Circuit Breakers

Q-Line Miniature Circuit Breakers series include TH(H)QC cable-in, cable-out (lug-lug), TH(H)QB in bolt-on, and TH(H)QB-RC ring lug versions. All of them are available in 15A…

Remote Racking Devices

SACE Emax 2 Remote Racking Device

A dedicated device to remotely perform circuit breaker rack-in/rack-out operations for the Emax 2, increasing the safety for personnel.

EntelliGuard G Remote Racking Operator

Electrically operated safety device for EntelliGuard G breakers.

Residential Circuit Breakers

Combination Arc Fault Circuit Interrupter (AFCI)

AFCI is a compact and easy to install solution designed to eliminate Arc faults. AFCI has the flexibility to address shared and mixed neutrals.

Dual Function Circuit Interrupter (DFCI)

DFCI combines both Ground Fault and Combination Arc Fault (GFCI & AFCI) protection in a simple to apply and cost-effective solution.

Feeder Plug-in Circuit Breakers

1" THQL breakers are compact to make the most of available panel space.

Ground Fault Circuit Interrupter with Self-Test (GFCI)

Ground Fault Circuit Interrupter with Self-Test (GFCI) available as 1 or 2 poles and up to 60 A to protect 120/240 Vac applications.

Residential Main Circuit Breakers

100 to 225A. THQMV Main breakers are configured to allow top or bottom feed without modification.

Tandem & Quad Circuit Breakers

The ultimate solution for expanding electrical capacity with ease of installation and are compatible with all new and existing Single Phase PowerMark™ load centers.