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Circuit Breaker

For power distribution and electrical protection systems, circuit breakers are among the most critical components for safeguarding equipment, personnel, and facilities from electrical overloads and short circuits. Circuit breakers automatically interrupt electrical current flow when abnormal conditions are detected, protecting circuits from damage while allowing manual reset and continued operation. Electrical.com carries an extensive selection of circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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MBT4412HF-W09
MBT4412HF-W09
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$12.82
Protechnic Electric
MGA1724XB-O51
MGA1724XB-O51
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Protechnic Electric
MGA4005LB-O20
MGA4005LB-O20
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$10.12
Protechnic Electric
MGA4012YB-A20
MGA4012YB-A20
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MGA5012MR-A10
MGA5012MR-A10
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$11.44
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MGA5012XC-A10
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MGA6024VB-O38
MGA6024VB-O38
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$16.34
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MGT12048YB-W32
MGT12048YB-W32
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$10.52
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MGT4012PB-W28
MGT4012PB-W28
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$24.55
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MGT4012WB-W28
MGT4012WB-W28
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$10.32
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MGT6012LR-A20
MGT6012LR-A20
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$6.12
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MGT6012MB-R25-IP68
MGT6012MB-R25-IP68
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$44.18
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MGT7012YR-O20
MGT7012YR-O20
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$10.61
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MGT8012LS-A25
MGT8012LS-A25
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$4.80
Protechnic Electric
MGT8012UB-W38 GEL
MGT8012UB-W38 GEL
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$20.93
Protechnic Electric
MGT8012VB-R38
MGT8012VB-R38
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$16.97
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MGT8024ZB-025
MGT8024ZB-025
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$11.86
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MGT4012MF-W10
MGT4012MF-W10
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MGA4012ZB-A15
MGA4012ZB-A15
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MGA3012MR-O15
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MGA4012MS-A10
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MGT4012LR-A10
MGT4012LR-A10
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MGA6012VB-025
MGA6012VB-025
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Protechnic Electric
Popular Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens
General Electric
Federal Pacific

Electrical.com stocks the largest inventory of circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit protection equipment available for immediate shipment. From residential to industrial applications, across all voltage and amperage ratings, we have what you need when others say no. Our comprehensive circuit breaker inventory spans all voltage classes, amperage ratings, and pole configurations from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our circuit breakers serve critical applications across manufacturing facilities, commercial buildings, data centers, healthcare facilities, utilities and power generation, industrial plants, residential construction, telecommunications infrastructure, and process control installations.


Whether you're maintaining legacy equipment with obsolete circuit breaker models or sourcing current production components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime and keep your operations running. Need circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.

Learn More
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The Basics of A Circuit Breaker

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The Main Types Of Breaker Protections

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