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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
FJ63B110	Limited Stock From Get Price	Siemens	110	3
FJ63B125	In Stock From $443^.20	Siemens	125	3
FJ63B250	In Stock From $184^.17	Siemens	250	3
FJ63F250	In Stock From $214^.09	Siemens	250	3
FJ63S250A	In Stock From $256^.14	ITE	250	3
HE42B015	In Stock From $148^.54	ITE	15	2
HE42B030	In Stock From $123^.15	ITE	30	2
HE42B040	In Stock From $27^.10	Siemens	40	2
HE42B050	Limited Stock From Get Price	ITE	50	2
HE43B015	In Stock From $135^.91	Siemens	15	3
HE43B025	In Stock From $44^.02	Siemens	25	3
HE43B050	In Stock From $69^.99	ITE	50	3
HE43B070	In Stock From $108^.13	Siemens	70	3
HE43B080	In Stock From $253^.81	ITE	80	3
HE43B090	In Stock From $274^.30	Siemens	90	3
HE43M015	In Stock From $137^.09	Gould	15	3
HE43M020	In Stock From $161^.98	Gould	20	3
HE43M025	In Stock From $3^.30	Gould	25	3
HE43M030	In Stock From $189^.24	ITE	30	3
HE43M040	In Stock From $52^.03	Siemens	40	3
HE43M045	In Stock From $169^.41	Siemens	45	3
HE43M070	In Stock From $180^.49	ITE	70	3
HE43M080	In Stock From $162^.44	ITE	80	3
HF2B020	In Stock From $2^.24	Siemens	20	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