Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Subcategory

Molded Case Circuit Breaker

Manufacturers

All

Amperage

All

Voltage

All

Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case 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.

SORT BY

Part Number	PRICE	Manufacturer
4430.1916	Limited Stock From Get Price	Schurter
4430.1961	Limited Stock From Get Price	Schurter
4430.2616	Limited Stock From Get Price	Schurter
4430.2856	Limited Stock From Get Price	Schurter
4430.3022	Limited Stock From Get Price	Schurter
4430.3755	Limited Stock From Get Price	Schurter
4431.1019	Limited Stock From Get Price	Schurter
4435.0001	Limited Stock From Get Price	Schurter
4435.0045	Limited Stock From Get Price	Schurter
4435.0075	Limited Stock From Get Price	Schurter
4435.0175	Limited Stock From Get Price	Schurter
4435.0204	Limited Stock From Get Price	Schurter
4435.0287	Limited Stock From Get Price	Schurter
4435.0713	Limited Stock From Get Price	Schurter
45-700-IG1-P10-2A	Limited Stock From Get Price	E-T-A Circuit Breakers
45-700-P-DD	Limited Stock From Get Price	E-T-A Circuit Breakers
45-700-P10-10A	Limited Stock From Get Price	E-T-A Circuit Breakers
46-500-P10	Limited Stock From Get Price	Generac
4C20UL	Limited Stock From Get Price	Altech Corp
5-1423364-4	Limited Stock From Get Price	TE Connectivity
5-1423364-7	Limited Stock From Get Price	TE Connectivity
5-1423364-8	Limited Stock From Get Price	TE Connectivity
5-1423695-2	Limited Stock From Get Price	TE Connectivity
5-1423695-3	Limited Stock From Get Price	TE Connectivity

1
...
18,249
18,250
18,251
...
18,485

Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities 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 molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.

Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case 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.