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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
LNG3B120B
LNG3B120B
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Siemens
1200
3
LNG3B120L
LNG3B120L
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Siemens
1200
3
LNG3B800
LNG3B800
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Siemens
800
3
LNG3B800B
LNG3B800B
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Siemens
800
3
LNG3B800L
LNG3B800L
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Siemens
800
3
LNG3B900
LNG3B900
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Siemens
900
3
LNG3B900B
LNG3B900B
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Siemens
900
3
LNG3B900L
LNG3B900L
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Siemens
900
3
LXD63B250H
LXD63B250H
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Siemens
250
3
LXD63B250LH
LXD63B250LH
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Siemens
250
3
LXD63B300H
LXD63B300H
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Siemens
300
3
LXD63B300LH
LXD63B300LH
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Siemens
300
3
LXD63B350H
LXD63B350H
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Siemens
350
3
LXD63B350LH
LXD63B350LH
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Siemens
350
3
LXD63B400H
LXD63B400H
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Siemens
400
3
LXD63B400LH
LXD63B400LH
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Siemens
400
3
LXD63B450LH
LXD63B450LH
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Siemens
450
3
LXD63B500L
LXD63B500L
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Siemens
500
3
LXD63B500LH
LXD63B500LH
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Siemens
500
3
LXD63B600LH
LXD63B600LH
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Siemens
600
3
LXD63M250
LXD63M250
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Siemens
250
3
LXD63M250H
LXD63M250H
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Siemens
250
3
LXD63M250L
LXD63M250L
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Siemens
250
3
LXD63M250LH
LXD63M250LH
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Siemens
250
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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