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10 Manufacturers · 35 Product Lines

Circuit Breaker Manufacturers

Group CBS sources, services, and supports circuit breakers from every major manufacturer — current production, legacy equipment, and obsolete models. If it exists, we can find it.

Current Manufacturers

Active circuit breaker manufacturers with current production lines. New and reconditioned inventory available.

Active ManufacturerEst. 1988

ABB

ABB (ASEA Brown Boveri) is a global leader in electrification and automation technology. Their circuit breaker portfolio spans low, medium, and high voltage applications with industry-leading SACE, Emax, and VD4 product lines. Group CBS maintains extensive inventory and full service capability for all ABB circuit breakers.

Product Lines (5)

EmaxEmax2TmaxVD4 +1 more

Voltage Classes

Low (< 1kV)Medium (1-38kV)High (> 38kV)
Active ManufacturerEst. 1892

General Electric

General Electric has been a cornerstone of American electrical equipment manufacturing for over a century. Their circuit breaker legacy includes iconic product lines like the AKR, AK, AKU, Magne-Blast, and PowerBreak series. Group CBS specializes in sourcing, refurbishing, and servicing all GE circuit breakers, including obsolete and hard-to-find models.

Product Lines (6)

AKRAKAKUMagne-Blast +2 more

Voltage Classes

Low (< 1kV)Medium (1-38kV)
Active ManufacturerEst. 1847

Siemens

Siemens is a global powerhouse in electrical equipment manufacturing with a comprehensive circuit breaker portfolio. Their product lines include the WL air circuit breakers, 3WL series, SENTRON, and medium voltage vacuum and SF6 breakers. Group CBS provides full sales and service support for all Siemens circuit breakers.

Product Lines (4)

WL3WLSENTRONGMSG

Voltage Classes

Low (< 1kV)Medium (1-38kV)High (> 38kV)
Active ManufacturerEst. 1911

Eaton

Eaton is a global leader in power management solutions with an extensive circuit breaker portfolio acquired through Cutler-Hammer and Westinghouse. Their product lines include Magnum, Pow-R-Way, and Series C breakers. Group CBS provides full support for all Eaton and legacy Cutler-Hammer products.

Product Lines (4)

MagnumSeries CC-H DSAmpgard

Voltage Classes

Low (< 1kV)Medium (1-38kV)

Legacy & Obsolete Manufacturers

Discontinued and acquired manufacturers. Group CBS specializes in sourcing, refurbishing, and supporting legacy circuit breakers.

Acquired by Schneider ElectricEst. 1903

Square D

Square D, now part of Schneider Electric, has been a trusted name in electrical distribution equipment for over a century. Their circuit breaker lines include the legendary Masterpact, PowerPact, and QO series. Group CBS provides comprehensive support for all Square D products, including legacy and obsolete models.

Product Lines (4)

MasterpactPowerPactDSQO

Services Available

Testing & CertificationRefurbishmentObsolete Parts Sourcing
Acquired by Eaton (via Cutler-Hammer)Est. 1886

Westinghouse

Westinghouse Electric established many of the standards for American power distribution equipment. Though the company has undergone various ownership changes, their circuit breaker legacy lives on in countless installations. Group CBS is a leading source for Westinghouse breaker parts, refurbishment, and replacement solutions.

Westinghouse low voltage circuit breakers are no longer manufactured but remain widely installed. Group CBS maintains ex...

Product Lines (4)

DBDSSPBPow-R-Way

Services Available

Testing & CertificationRefurbishmentObsolete Parts Sourcing
DiscontinuedEst. 1950

Federal Pacific Electric

Federal Pacific Electric (FPE) produced circuit breakers and electrical equipment from 1950 to 1979. While the company no longer exists, their equipment remains installed in numerous facilities. Group CBS provides expert support for FPE breakers including parts sourcing, refurbishment, and replacement recommendations.

Federal Pacific Electric ceased operations in 1979. Due to historical concerns with Stab-Lok breakers in residential app...

Product Lines (2)

FPE SBFPE MA

Services Available

Obsolete Parts SourcingRefurbishmentTesting & Certification
Acquired by SiemensEst. 1891

ITE (Imperial-Type-Electric)

ITE (Imperial-Type-Electric) was a pioneering manufacturer of circuit breakers and electrical distribution equipment. Now part of Siemens, ITE products remain in service at facilities worldwide. Group CBS provides comprehensive support for all ITE breakers including the legendary K-Line and HK series.

ITE circuit breakers were acquired by Siemens in 1983. While production has ended, many ITE breakers remain in critical ...

Product Lines (3)

K-LineHKKP

Services Available

Testing & CertificationRefurbishmentObsolete Parts Sourcing
DiscontinuedEst. 1901

Allis-Chalmers

Allis-Chalmers was a major manufacturer of electrical distribution equipment until exiting the business in the 1980s. Their medium voltage air and vacuum breakers remain in service at utilities and industrial facilities. Group CBS provides expert support for Allis-Chalmers breakers.

Allis-Chalmers exited the electrical equipment business in the 1980s. Their medium and high voltage breakers remain in c...

Product Lines (2)

A-C MAA-C LA

Services Available

Obsolete Parts SourcingRefurbishmentTesting & Certification
Acquired by Eaton (via Cooper Industries)Est. 1957

McGraw-Edison

McGraw-Edison, formerly Cooper Industries and now part of Eaton, produced medium and high voltage switchgear and reclosers. Their products remain widely installed in utility distribution systems. Group CBS provides comprehensive support for McGraw-Edison equipment.

Product Lines (1)

VWVE

Services Available

Testing & CertificationRefurbishmentObsolete Parts Sourcing

Can't Find Your Breaker?

Our inventory represents only a fraction of our sourcing capability. Group CBS maintains relationships with suppliers, surplus dealers, and refurbishment facilities worldwide. If a breaker exists, we can source it.

Worldwide Sourcing

Access to surplus, obsolete, and hard-to-find breakers globally

Expert Refurbishment

Full reconditioning with testing and certification

Emergency Service

24/7 availability for critical situations