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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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NLG3B400B
NLG3B400B
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400
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NLG3B400L
NLG3B400L
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NLG3B500
NLG3B500
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500
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NLG3B500B
NLG3B500B
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500
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NLG3B500L
NLG3B500L
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500
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NLG3B600
NLG3B600
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600
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NLG3B600B
NLG3B600B
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600
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NLG3B600L
NLG3B600L
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600
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NLG3C400
NLG3C400
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400
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NLG3C400B
NLG3C400B
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Siemens
400
3
NLG3C400L
NLG3C400L
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Siemens
400
3
NLG3C500
NLG3C500
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500
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NLG3C500B
NLG3C500B
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500
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NLG3C500L
NLG3C500L
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500
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NLG3C600
NLG3C600
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600
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NLG3C600B
NLG3C600B
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600
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NLG3C600L
NLG3C600L
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Siemens
600
3
NLG3D400
NLG3D400
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Siemens
400
3
NLG3D400B
NLG3D400B
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Siemens
400
3
NLG3D400L
NLG3D400L
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Siemens
400
3
NLG3D600
NLG3D600
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Siemens
600
3
NLG3D600B
NLG3D600B
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Siemens
600
3
NLG3D600L
NLG3D600L
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Siemens
600
3
NLG3E400
NLG3E400
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Siemens
400
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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