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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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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.

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Part Number	PRICE	Manufacturer	Amperage	Voltage
JD3250VW	Limited Stock From Get Price	Westinghouse	250	600
JD4070	Limited Stock From Get Price	Westinghouse	70	600
JD4090	Limited Stock From Get Price	Eaton	90	600
JD4100	Limited Stock From Get Price	Westinghouse	100	600
JD4125	Limited Stock From Get Price	Eaton	125	600
JD4150	Limited Stock From Get Price	Westinghouse	150	600
JD4175	Limited Stock From Get Price	Cutler Hammer	175	600
JD4225	Limited Stock From Get Price	Westinghouse	225	600
JD4250KW	Limited Stock From Get Price	Westinghouse	250	600
KD3100V	Limited Stock From Get Price	Westinghouse	100	600
KD3100VW	Limited Stock From Get Price	Westinghouse	100	600
KD3125VW	Limited Stock From Get Price	Westinghouse	125	600
KD3150VW	Limited Stock From Get Price	Eaton	150	600
KD3175VW	Limited Stock From Get Price	Westinghouse	175	600
KD3250VW	Limited Stock From Get Price	Eaton	250	600
KD4400W	Limited Stock From Get Price	Westinghouse	400	600
KDB4400K	Limited Stock From Get Price	Westinghouse	400	600
KDC3100V	Limited Stock From Get Price	Westinghouse	100	600
KDC3125T57WZGP	Limited Stock From Get Price	Westinghouse	125	600
KDC3125V	Limited Stock From Get Price	Cutler Hammer	125	600
KDC3150VW	Limited Stock From Get Price	Westinghouse	150	600
KDC3175VW	Limited Stock From Get Price	Eaton	175	600
KDC3200V	Limited Stock From Get Price	Eaton	200	600
KDC3225V	Limited Stock From Get Price	Westinghouse	225	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.