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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
HJD4090	Limited Stock From Get Price	Cutler Hammer	90	600
HJD4100	Limited Stock From Get Price	Westinghouse	100	600
HJD4150	Limited Stock From Get Price	Cutler Hammer	150	600
HJD4175	Limited Stock From Get Price	Westinghouse	175	600
HJD4225	Limited Stock From Get Price	Westinghouse	225	600
HJD4250KW	Limited Stock From Get Price	Eaton	250	600
HKD3100V	Limited Stock From Get Price	Cutler Hammer	100	600
HKD3125V	Limited Stock From Get Price	Cutler Hammer	125	600
HKD3150V	Limited Stock From Get Price	Westinghouse	150	600
HKD3175V	Limited Stock From Get Price	Westinghouse	175	600
HKD3200V	Limited Stock From Get Price	Westinghouse	200	600
HKD3225V	Limited Stock From Get Price	Eaton	225	600
HKD3400Y	Limited Stock From Get Price	Eaton	400	600
HKD4400K	Limited Stock From Get Price	Eaton	400	600
HKDB4400K	Limited Stock From Get Price	Westinghouse	400	600
HLD3125T107W	Limited Stock From Get Price	Cutler Hammer	125	600
HLD3125T77W	Limited Stock From Get Price	Westinghouse	125	600
HLD3300C	Limited Stock From Get Price	Westinghouse	300	600
HLD3300V	Limited Stock From Get Price	Westinghouse	300	600
HLD3350C	Limited Stock From Get Price	Westinghouse	350	600
HLD3400C	Limited Stock From Get Price	Westinghouse	400	600
HLD3400T77W	Limited Stock From Get Price	Westinghouse	400	600
HLD3400V	Limited Stock From Get Price	Westinghouse	400	600
HLD3450C	Limited Stock From Get Price	Cutler Hammer	450	600

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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.