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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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Amperage
Poles
MJA366006SN
MJA366006SN
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Schneider Electric
600
3
MJA366006UA
MJA366006UA
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Schneider Electric
600
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MJA366006UC
MJA366006UC
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600
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MJA366006UH
MJA366006UH
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600
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MJA366006UK
MJA366006UK
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600
3
MJA366006UL
MJA366006UL
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Schneider Electric
600
3
MJA366006YP
MJA366006YP
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Square D
600
3
MJA36600AA
MJA36600AA
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600
3
MJA36600AB
MJA36600AB
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Square D
600
3
MJA36600ABSA
MJA36600ABSA
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Schneider Electric
600
3
MJA36600ACSA
MJA36600ACSA
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Square D
600
3
MJA36600SC
MJA36600SC
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Schneider Electric
600
3
MJA36600SD
MJA36600SD
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Square D
600
3
MJA36600SH
MJA36600SH
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600
3
MJA36600SK
MJA36600SK
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600
3
MJA36600SL
MJA36600SL
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600
3
MJA36600SN
MJA36600SN
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600
3
MJA36600UA
MJA36600UA
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Square D
600
3
MJA36600UC
MJA36600UC
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Square D
600
3
MJA36600UH
MJA36600UH
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Square D
600
3
MJA36600UK
MJA36600UK
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Schneider Electric
600
3
MJA36600UL
MJA36600UL
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Square D
600
3
MJL36450AA
MJL36450AA
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Schneider Electric
450
3
MJL36450AB
MJL36450AB
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Schneider Electric
450
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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