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Molded Case Circuit Breaker

Cutler Hammer

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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
LGK4400KSG	Limited Stock From Get Price	Cutler Hammer	400	600
LGK4630KSG	Limited Stock From Get Price	Cutler Hammer	630	600
LI3500	Limited Stock From Get Price	Cutler Hammer	500	480
LI3600	Limited Stock From Get Price	Cutler Hammer	600	480
QBH1020	Limited Stock From Get Price	Cutler Hammer	20	120
QBHW3035HS	Limited Stock From Get Price	Cutler Hammer	35	240
QBHW3040HT	Limited Stock From Get Price	Cutler Hammer	40	240
QBHW3045HS	Limited Stock From Get Price	Cutler Hammer	45	240
QC1050LD6T	Limited Stock From Get Price	Eaton	50	240
QCD2060	Limited Stock From Get Price	Cutler Hammer	60	240
QCD3015H	Limited Stock From Get Price	Cutler Hammer	15	240
QCD3020H	Limited Stock From Get Price	Cutler Hammer	20	240
QCD3025H	Limited Stock From Get Price	Cutler Hammer	25	240
QCD3030H	Limited Stock From Get Price	Cutler Hammer	30	240
QCD3035H	Limited Stock From Get Price	Cutler Hammer	35	240
QCD3040H	Limited Stock From Get Price	Cutler Hammer	40	240
QCD3045H	Limited Stock From Get Price	Cutler Hammer	45	240
QCD3050H	Limited Stock From Get Price	Cutler Hammer	50	240
QCD3055H	Limited Stock From Get Price	Cutler Hammer	55	240
QCD3060H	Limited Stock From Get Price	Cutler Hammer	60	240
QCD3070H	Limited Stock From Get Price	Cutler Hammer	70	240
QCD3080H	Limited Stock From Get Price	Cutler Hammer	80	240
QCD3090H	Limited Stock From Get Price	Cutler Hammer	90	240
QCD3100H	Limited Stock From Get Price	Cutler Hammer	100	240

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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.