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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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SEF36300LSGT3
SEF36300LSGT3
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Schneider Electric
300
3
SEF36300LSGT4
SEF36300LSGT4
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Square D
300
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SEF36300LSGV1
SEF36300LSGV1
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Square D
300
3
SEF36300LSI
SEF36300LSI
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Square D
300
3
SEF36300LSIA4
SEF36300LSIA4
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Schneider Electric
300
3
SEF36300LSIA8
SEF36300LSIA8
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Square D
300
3
SEF36300LSIB4
SEF36300LSIB4
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Schneider Electric
300
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SEF36300LSIB8
SEF36300LSIB8
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Schneider Electric
300
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SEF36300LSIC4
SEF36300LSIC4
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Square D
300
3
SEF36300LSIC8
SEF36300LSIC8
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Schneider Electric
300
3
SEF36300LSID4
SEF36300LSID4
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Square D
300
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SEF36300LSID8
SEF36300LSID8
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Schneider Electric
300
3
SEF36300LSIE4
SEF36300LSIE4
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Schneider Electric
300
3
SEF36300LSIE8
SEF36300LSIE8
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Schneider Electric
300
3
SEF36300LSIES1
SEF36300LSIES1
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Square D
300
3
SEF36300LSIES1A4
SEF36300LSIES1A4
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Schneider Electric
300
3
SEF36300LSIES1A8
SEF36300LSIES1A8
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Schneider Electric
300
3
SEF36300LSIES1B4
SEF36300LSIES1B4
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Square D
300
3
SEF36300LSIES1B8
SEF36300LSIES1B8
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Schneider Electric
300
3
SEF36300LSIES1C4
SEF36300LSIES1C4
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Schneider Electric
300
3
SEF36300LSIES1C8
SEF36300LSIES1C8
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Square D
300
3
SEF36300LSIES1D4
SEF36300LSIES1D4
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Square D
300
3
SEF36300LSIES1D5
SEF36300LSIES1D5
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Square D
300
3
SEF36300LSIES1D8
SEF36300LSIES1D8
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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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