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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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Part Number
PRICE
Manufacturer
Amperage
Poles
SEF36300LSES9F8
SEF36300LSES9F8
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Square D
300
3
SEF36300LSET1
SEF36300LSET1
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Schneider Electric
300
3
SEF36300LSET2
SEF36300LSET2
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Square D
300
3
SEF36300LSET3
SEF36300LSET3
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Square D
300
3
SEF36300LSET4
SEF36300LSET4
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Schneider Electric
300
3
SEF36300LSET5
SEF36300LSET5
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Square D
300
3
SEF36300LSET6
SEF36300LSET6
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Square D
300
3
SEF36300LSET7
SEF36300LSET7
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Schneider Electric
300
3
SEF36300LSEV1
SEF36300LSEV1
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Schneider Electric
300
3
SEF36300LSF4
SEF36300LSF4
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Square D
300
3
SEF36300LSF8
SEF36300LSF8
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Square D
300
3
SEF36300LSG
SEF36300LSG
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Schneider Electric
300
3
SEF36300LSGA4
SEF36300LSGA4
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Square D
300
3
SEF36300LSGA8
SEF36300LSGA8
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Square D
300
3
SEF36300LSGB4
SEF36300LSGB4
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Square D
300
3
SEF36300LSGB8
SEF36300LSGB8
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Square D
300
3
SEF36300LSGC4
SEF36300LSGC4
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Schneider Electric
300
3
SEF36300LSGC8
SEF36300LSGC8
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Square D
300
3
SEF36300LSGD4
SEF36300LSGD4
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Schneider Electric
300
3
SEF36300LSGD8
SEF36300LSGD8
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Square D
300
3
SEF36300LSGE4
SEF36300LSGE4
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Square D
300
3
SEF36300LSGE8
SEF36300LSGE8
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Schneider Electric
300
3
SEF36300LSGES1
SEF36300LSGES1
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Schneider Electric
300
3
SEF36300LSGES1A4
SEF36300LSGES1A4
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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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