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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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Protechnic Electric
MGA5012MR-A10
MGA5012MR-A10
In Stock
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$11.44
Protechnic Electric
MGA5012XC-A10
MGA5012XC-A10
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Protechnic Electric
MGA6024VB-O38
MGA6024VB-O38
In Stock
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$16.34
Protechnic Electric
MGT12048YB-W32
MGT12048YB-W32
In Stock
From
$10.52
Protechnic Electric
MGT4012PB-W28
MGT4012PB-W28
In Stock
From
$24.55
Protechnic Electric
MGT4012WB-W28
MGT4012WB-W28
In Stock
From
$10.32
Protechnic Electric
MGT6012LR-A20
MGT6012LR-A20
In Stock
From
$6.12
Protechnic Electric
MGT6012MB-R25-IP68
MGT6012MB-R25-IP68
In Stock
From
$44.18
Protechnic Electric
MGT7012YR-O20
MGT7012YR-O20
In Stock
From
$10.61
Protechnic Electric
MGT8012LS-A25
MGT8012LS-A25
In Stock
From
$4.80
Protechnic Electric
MGT8012UB-W38 GEL
MGT8012UB-W38 GEL
In Stock
From
$20.93
Protechnic Electric
MGT8012VB-R38
MGT8012VB-R38
In Stock
From
$16.97
Protechnic Electric
MGT8024ZB-025
MGT8024ZB-025
In Stock
From
$11.86
Protechnic Electric
MGT4012MF-W10
MGT4012MF-W10
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Protechnic Electric
MGA3012MR-O15
MGA3012MR-O15
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Protechnic Electric
MGA4012ZB-A15
MGA4012ZB-A15
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Protechnic Electric
MGA4012MS-A10
MGA4012MS-A10
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Protechnic Electric
MGT4012LR-A10
MGT4012LR-A10
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Protechnic Electric
MGA6012VB-025
MGA6012VB-025
Limited Stock
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Protechnic Electric
Popular Circuit Breaker Manufacturers

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.

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