Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Westinghouse

Subcategory

Molded Case Circuit Breaker

Manufacturers (1)

Westinghouse

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	Amperage	Voltage
E2KE3125W	Limited Stock From Get Price	Eaton	125	600
E2KE3150MW	Limited Stock From Get Price	Westinghouse	150	600
E2KE3150W	Limited Stock From Get Price	Westinghouse	150	600
E2KE3200W	Limited Stock From Get Price	Eaton	200	600
E2KE32252W	Limited Stock From Get Price	Westinghouse	225	600
E2KE3225W	Limited Stock From Get Price	Eaton	225	600
E2KEM3125W	Limited Stock From Get Price	Westinghouse	125	1000
E2KEM3125WU66	Limited Stock From Get Price	Westinghouse	125	1000
E2KEM3150MW	Limited Stock From Get Price	Westinghouse	150	1000
E2KEM3200WU66	Limited Stock From Get Price	Cutler Hammer	200	1000
E2KEM32252W	Limited Stock From Get Price	Westinghouse	225	1000
E2KEM3225WU66	Limited Stock From Get Price	Eaton	225	1000
E2KM3125W	Limited Stock From Get Price	Eaton	125	1000
E2KM3175W	Limited Stock From Get Price	Westinghouse	175	1000
E2KM3200W	Limited Stock From Get Price	Westinghouse	200	1000
E2KM3225DW	Limited Stock From Get Price	Eaton	225	1000
E2KM3225W	Limited Stock From Get Price	Eaton	225	1000
E2KM3300W	Limited Stock From Get Price	Cutler Hammer	300	1000
E2NM3500W	Limited Stock From Get Price	Eaton	500	1000
E2NM3700W	Limited Stock From Get Price	Eaton	700	1000
E2NM3900W	Limited Stock From Get Price	Eaton	900	1000
E2R316T32W	Limited Stock From Get Price	Cutler Hammer	1600	600
E2R320T32W	Limited Stock From Get Price	Eaton	2000	600
E2RM320T32W	Limited Stock From Get Price	Westinghouse	2000	1000

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.