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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
WMZS3B40	Limited Stock From Get Price	Cutler Hammer	40	480
WMZS3B50	Limited Stock From Get Price	Cutler Hammer	50	480
WMZS3C13	Limited Stock From Get Price	Cutler Hammer	13	480
WMZS3C15	Limited Stock From Get Price	Cutler Hammer	15	480
WMZS3C40	Limited Stock From Get Price	Cutler Hammer	40	480
XO140	Limited Stock From Get Price	Cutler Hammer	40	120
XO150	Limited Stock From Get Price	Cutler Hammer	50	120
XO220YL	Limited Stock From Get Price	Cutler Hammer	20	240
XO225YL	Limited Stock From Get Price	Cutler Hammer	25	240
XO240-THIN	Limited Stock From Get Price	Cutler Hammer	40	240
XO240YL	Limited Stock From Get Price	Cutler Hammer	40	240
XO250-THIN	Limited Stock From Get Price	Cutler Hammer	50	240
XO250YL	Limited Stock From Get Price	Cutler Hammer	50	240
368D451G01	Limited Stock From Get Price	Cutler Hammer	15	600
368D451G02	Limited Stock From Get Price	Cutler Hammer	20	600
368D451G03	Limited Stock From Get Price	Cutler Hammer	30	600
368D451G04	Limited Stock From Get Price	Cutler Hammer	40	600
368D451G13	Limited Stock From Get Price	Cutler Hammer	100	600
369D055G02	Limited Stock From Get Price	Cutler Hammer	15	600
369D055G03	Limited Stock From Get Price	Westinghouse	20	600
369D055G04	Limited Stock From Get Price	Cutler Hammer	30	600
369D055G05	Limited Stock From Get Price	Cutler Hammer	40	600
369D055G06	Limited Stock From Get Price	Westinghouse	50	600
369D055G07	Limited Stock From Get Price	Westinghouse	70	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.