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Circuit Breakers

Our circuit breaker selection includes reliable solutions for residential, commercial, and industrial electrical systems, featuring trusted brands such as ABB and IMO. We offer single-pole, double-pole, and multi-pole circuit breakers in a wide range of amperages, along with molded case circuit breakers (MCCB) for higher-demand applications. Many models include quick-make/quick-break mechanisms, common trip bars, and clear trip indicators to support safe, code-compliant installations. Whether you are upgrading a service panel, replacing an existing breaker, or outfitting new equipment, our breakers provide dependable overcurrent and short-circuit protection. Explore our full selection to find the right circuit breaker for your specific project or electrical system requirements.

156 items found
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ABB THQL1120 Q-Line 1 Pole Circuit Breaker 120/240V 20 Amp Thermal Magnetic
ABB, THQL2130, Circuit Breaker, 30 A, 240 V, 2-Pole, Thermal Magnetic, HACR
ABB, THQL1115, Circuit Breaker, 15 A, 240 V, HACR / SWD, Q-Line, 10kA@120 Vac / 10kA@120/240 Vac, Thermal Magnetic
ABB, THQL2150, Circuit Breaker, 2 Pole; 50 A; 240 V; Thermal Magnetic; 10kA@120/240 Vac
ABB, THQL2120, Circuit Breaker, 2 Pole; 20 A, 240 V, Thermal Magnetic, HACR
ABB, THQL21100, Circuit Breaker, 100 A, 2-Pole, 240 V, Thermal Magnetic, Q-Line
ABB, THQL2140, Circuit Breaker, 2 Poles, 40 A, 240 V, Thermal Magnetic, Q-Line, Interrupt Rating 10kA@120/240 Vac
BRBR-SIEM Q120 PLUG-IN BRKR 20A SP
ABB, THQL2160, Circuit Breaker, 2 Pole; 60 A, 240 V, Thermal Magnetic
BRBR-SIEM Q230 2P 30A 120/240V 10K PLUG-IN BREAKER
ABB, THQMV200NRE, Circuit Breaker Enclosure, NEMA Type 3R, 200 A, Surface Mount, Q-Line
ABB, THQB1120, Circuit Breaker, 20 A, 10 kA, 1-Pole, 120/240 V
BRBR-SIEM Q250 PLUG-IN 50A DP
BRBR-SIEM Q2100 PLUG-IN BRKR 100A 2P
BRBR-SIEM Q2020NC PLUG-IN BRKR 20-20A
BRBR-SQD QO120 SINGLE POLE 20A 120V 10K CIRCUIT BREAKER
ABB, THQB2130, Circuit Breaker, 30 A, 2-Pole, 10 kA, 120/240 V
BRBR-SIEM Q260 PLUG-IN BRKR 60
BRBR-SIEM Q220 2POLE 20AMP 120/240V 10K PLUG-IN BRKR
ABB, THQB2120, Miniature Circuit Breaker, 20 A, 2-Pole, 120/240 V
BRBR-SQD HOM120 1P 20A 120V 10K HOMELINE CIRCUIT BREAKER
BRBR-SQD HOM250 2P 50A 240V 10K HOMELINE CIRCUIT BREAKER
BRBR-SQD QO230 2P 30A 240V 10K CIRCUIT BREAKER
ABB, THQL2115, Circuit Breaker, 15 A, 240 V, 2 Pole, Thermal Magnetic, HACR, Q-Line
ABB, THQL1115AF2, AFCI Circuit Breaker, 15 A, 1 Pole, 120/240 V, Q-Line
ABB, THQL1120DF, Dual Function Circuit Breaker, 20 A; 240 V; Q-Line; 1 Pole; LI AFCI and GFCI
BRBR-SIEM Q1515NC PLUG-IN BRKR 15-15A
BRBR-SIEM Q115 PLUG-IN BRKR 15A SP
BRBR-SIEM Q240 PLUG-IN BRKR 40
BRBR-SQD QOB120 1P 20A 120V 10K BOLT-ON CIRCUIT BREAKER
BRBR-SQD HOM115 1P 15A 120V 10K HOMELINE CIRCUIT BREAKER
BRBR-SQD HOM230 2P 30A 240V 10K HOMELINE CIRCUIT BREAKER
BRBR-SQD HOM2100 2P 100A 240V 10K HOMELINE CIRCUIT BREAKER
BRBR-SQD HOMT2020NEW 1P 20A 120V DUPLEX 10K HOMELINE CIRCUIT BREAKER
BRBR-SQD QO2020 20 AMP SP TANDEM BREAKER NON CTL
BRBR-SQD QO250 2P 50A 240V 10K CIRCUIT BREAKER
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Total 156 products
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