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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
JL2B100	In Stock From $687^.77	ITE	100	2
JL2B110	In Stock From $577^.19	ITE	110	2
JL2B125	In Stock From $757^.71	ITE	125	2
JL2B150	In Stock From $163^.66	ITE	150	2
JL2B175	In Stock From $683^.55	ITE	175	2
JL2B200	In Stock From $948^.52	ITE	200	2
JL2B225	In Stock From $193^.07	ITE	225	2
JL2B250	In Stock From $623^.75	ITE	250	2
JL2B300	In Stock From $602^.28	Siemens	300	2
JL2B350	In Stock From $673^.33	ITE	350	2
JL2B400	In Stock From $448^.72	Siemens	400	2
JL2F400	In Stock From $185^.87	Siemens	400	2
JL62B400	In Stock From $557^.54	ITE	400	2
KM2B400	In Stock From $962^.38	ITE	400	2
KM2B500	In Stock From $827^.20	ITE	500	2
KM2B600	In Stock From $495^.35	Siemens	600	2
KM2B800	In Stock From $1,137^.87	Siemens	800	2
KM3B225	In Stock From $195^.87	Siemens	225	3
KM3B300	In Stock From $424^.38	Siemens	300	3
KM3B400	In Stock From $457^.01	Siemens	400	3
KM3B500	In Stock From $1,015^.00	Siemens	500	3
KM3B700	In Stock From $1,337^.84	Siemens	700	3
KM3S800	In Stock From $1,178^.76	ITE	800	3
KP2B100	In Stock From $55^.56	ITE	1000	2

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