Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Challenger

Subcategory

Molded Case Circuit Breaker

Manufacturers (1)

Challenger

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
SE3C090C	Limited Stock From Get Price	Challenger	90	240
SE3C100	Limited Stock From Get Price	Sylvania	100	240
SE3C100C	Limited Stock From Get Price	Challenger	100	240
SE3C150	Limited Stock From Get Price	Sylvania	150	240
SEH1C030	Limited Stock From Get Price	Challenger	30	277
SF2C125	Limited Stock From Get Price	Challenger	125	480
SF2C150	Limited Stock From Get Price	Challenger	150	480
SF3C100WK	Limited Stock From Get Price	Challenger	100	480
SF3C125WK	Limited Stock From Get Price	Challenger	125	480
SF3C150WK	Limited Stock From Get Price	Challenger	150	480
SF3C175	Limited Stock From Get Price	Challenger	175	480
SF3C225WK	Limited Stock From Get Price	Challenger	225	480
SJD-2SS-400TF	Limited Stock From Get Price	Challenger	400	600
SJD-3SS-600TF	Limited Stock From Get Price	Challenger	600	600
SJK-ST-3-600NA	Limited Stock From Get Price	Challenger	600	600
SJK3C250SS	Limited Stock From Get Price	Challenger	250	600
SJK3C300SS	Limited Stock From Get Price	Challenger	300	600
SJK3C350SS	Limited Stock From Get Price	Challenger	350	600
SJK3C400SS	Limited Stock From Get Price	Challenger	400	600
SJK3C500	Limited Stock From Get Price	Challenger	500	600
SJK3C500SS	Limited Stock From Get Price	Challenger	500	600
SJK3C600SS	Limited Stock From Get Price	Challenger	600	600
SKM2C1000	Limited Stock From Get Price	Challenger	1000	600
SKM2SS1200NA	Limited Stock From Get Price	Challenger	1200	600

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.