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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
HQR23B250	In Stock From $967^.55	Siemens	250	3
HQR23B250H	In Stock From $1,158^.30	Siemens	250	3
HQR23B250HL	In Stock From $1,165^.66	Siemens	250	3
HQR23B250L	In Stock From $994^.92	Siemens	250	3
JXD22B250L	In Stock From $785^.33	Siemens	250	2
JXD22B400L	In Stock From $1,206^.43	Siemens	400	2
JXD23B300L	In Stock From $1,214^.94	Siemens	300	3
JXD62B200	In Stock From $1,532^.45	Siemens	200	2
JXD62B200L	In Stock From $1,313^.53	Siemens	200	2
LD63B250L	In Stock From $2,363^.54	Siemens	250	3
LD63B300	In Stock From $1,645^.72	Siemens	300	3
LD63B300L	In Stock From $2,346^.88	Siemens	300	3
LD63B350	In Stock From $1,532^.81	Siemens	350	3
LD63B350L	In Stock From $2,358^.06	Siemens	350	3
LD63B400	In Stock From $2,304^.79	Siemens	400	3
LD63B450	In Stock From Get Price	Siemens	450	3
LD63B450L	In Stock From Get Price	Siemens	450	3
LD63B500L	In Stock From $1,355^.30	Siemens	500	3
LD63B600L	In Stock From $1,443^.50	Siemens	600	3
LD63S600A	In Stock From $1,443^.50	Siemens	600	3
LGB2K015B	In Stock From $583^.49	Siemens	15	2
LGB2K030B	In Stock From $908^.70	Siemens	30	2
LGB2K035B	In Stock From $432^.20	Siemens	35	2
LGB2K040B	In Stock From $535^.47	Siemens	40	2

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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.

Learn More

The Basics of A Circuit Breaker

The Main Types Of Breaker Protections