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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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Manufacturer
Amperage
Poles
SEF36800LSIGES9E8
SEF36800LSIGES9E8
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Square D
800
3
SEF36800LSIGES9F4
SEF36800LSIGES9F4
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Schneider Electric
800
3
SEF36800LSIGES9F8
SEF36800LSIGES9F8
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Schneider Electric
800
3
SEF36800LSIGET1
SEF36800LSIGET1
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Schneider Electric
800
3
SEF36800LSIGET2
SEF36800LSIGET2
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Schneider Electric
800
3
SEF36800LSIGET3
SEF36800LSIGET3
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Square D
800
3
SEF36800LSIGET4
SEF36800LSIGET4
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Square D
800
3
SEF36800LSIGET5
SEF36800LSIGET5
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Schneider Electric
800
3
SEF36800LSIGET6
SEF36800LSIGET6
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Square D
800
3
SEF36800LSIGET7
SEF36800LSIGET7
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Square D
800
3
SEF36800LSIGEV1
SEF36800LSIGEV1
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Schneider Electric
800
3
SEF36800LSIGF4
SEF36800LSIGF4
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Square D
800
3
SEF36800LSIGF8
SEF36800LSIGF8
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Square D
800
3
SEF36800LSIGMR
SEF36800LSIGMR
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Schneider Electric
800
3
SEF36800LSIGS1
SEF36800LSIGS1
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Schneider Electric
800
3
SEF36800LSIGS2
SEF36800LSIGS2
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Schneider Electric
800
3
SEF36800LSIGS3
SEF36800LSIGS3
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Square D
800
3
SEF36800LSIGS4
SEF36800LSIGS4
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Square D
800
3
SEF36800LSIGT1
SEF36800LSIGT1
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Schneider Electric
800
3
SEF36800LSIGT2
SEF36800LSIGT2
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Schneider Electric
800
3
SEF36800LSIGT3
SEF36800LSIGT3
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Square D
800
3
SEF36800LSIGT4
SEF36800LSIGT4
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Square D
800
3
SEF36800LSIGV1
SEF36800LSIGV1
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Schneider Electric
800
3
SEF36800LSIMR
SEF36800LSIMR
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Schneider Electric
800
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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