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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
EF3B030L	In Stock From $441^.24	Siemens	30	3
EF3B035	In Stock From $443^.57	Siemens	35	3
EF3B035L	In Stock From $233^.57	Siemens	35	3
EF3B040L	In Stock From Get Price	Siemens	40	3
EF3B045	In Stock From $367^.12	ITE	45	3
EF3B045L	In Stock From $226^.19	Siemens	45	3
EF3B050L	In Stock From $444^.05	Siemens	50	3
EF3B060L	In Stock From $341^.87	ITE	60	3
EF3B070L	In Stock From $308^.52	Siemens	70	3
EF3B080	In Stock From $672^.15	Siemens	80	3
EF3B080L	In Stock From $316^.58	Siemens	80	3
EF3B090	In Stock From $681^.74	ITE	90	3
EF3B090L	In Stock From $311^.78	Siemens	90	3
EF3B100L	In Stock From Get Price	Siemens	100	3
EF3B110	In Stock From $1,113^.43	ITE	110	3
EF3B110L	In Stock From $1,226^.57	Siemens	110	3
EF3B125	In Stock From $2,868^.92	Siemens	125	3
EF3B125L	In Stock From $880^.53	ITE	125	3
EF3H150	In Stock From $775^.68	Siemens	150	3
EF3S100	In Stock From $696^.05	Siemens	100	3
EF3S100L	In Stock From Get Price	ITE	100	3
EF3S150	In Stock From $1,140^.72	ITE	150	3
EF3S150L	In Stock From $1,140^.72	ITE	150	3
EH1B015	In Stock From $19^.10	Siemens	15	1

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