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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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SEF36300LIT1
SEF36300LIT1
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Square D
300
3
SEF36300LIT2
SEF36300LIT2
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Schneider Electric
300
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SEF36300LIT3
SEF36300LIT3
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Square D
300
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SEF36300LIT4
SEF36300LIT4
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Square D
300
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SEF36300LIV1
SEF36300LIV1
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Square D
300
3
SEF36300LS
SEF36300LS
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Square D
300
3
SEF36300LSA4
SEF36300LSA4
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Square D
300
3
SEF36300LSA8
SEF36300LSA8
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Schneider Electric
300
3
SEF36300LSB4
SEF36300LSB4
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Square D
300
3
SEF36300LSB8
SEF36300LSB8
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Square D
300
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SEF36300LSC4
SEF36300LSC4
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Square D
300
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SEF36300LSC8
SEF36300LSC8
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Square D
300
3
SEF36300LSD4
SEF36300LSD4
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Square D
300
3
SEF36300LSD8
SEF36300LSD8
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Square D
300
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SEF36300LSE4
SEF36300LSE4
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Square D
300
3
SEF36300LSE8
SEF36300LSE8
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Square D
300
3
SEF36300LSES1
SEF36300LSES1
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Square D
300
3
SEF36300LSES1A4
SEF36300LSES1A4
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Schneider Electric
300
3
SEF36300LSES1A8
SEF36300LSES1A8
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Schneider Electric
300
3
SEF36300LSES1B4
SEF36300LSES1B4
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Square D
300
3
SEF36300LSES1B8
SEF36300LSES1B8
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Schneider Electric
300
3
SEF36300LSES1C4
SEF36300LSES1C4
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Square D
300
3
SEF36300LSES1C8
SEF36300LSES1C8
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Schneider Electric
300
3
SEF36300LSES1D4
SEF36300LSES1D4
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Schneider Electric
300
3
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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