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Molded Case Circuit Breaker

Westinghouse

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Molded Case Circuit Breaker

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Westinghouse

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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
HMA3225V	Limited Stock From Get Price	Cutler Hammer	225	600
HMA3250V	Limited Stock From Get Price	Westinghouse	250	600
HMA3300V	Limited Stock From Get Price	Cutler Hammer	300	600
HMA3350V	Limited Stock From Get Price	Cutler Hammer	350	600
HMA3400V	Limited Stock From Get Price	Westinghouse	400	600
HMA3450V	Limited Stock From Get Price	Cutler Hammer	450	600
HMA3500V	Limited Stock From Get Price	Westinghouse	500	600
HMA3600V	Limited Stock From Get Price	Westinghouse	600	600
HMA3700V	Limited Stock From Get Price	Westinghouse	700	600
HMA3800V	Limited Stock From Get Price	Cutler Hammer	800	600
HMCA2800F	Limited Stock From Get Price	Westinghouse	800	600
HMCA3800F	Limited Stock From Get Price	Westinghouse	800	600
HMCCG3800F	Limited Stock From Get Price	Westinghouse	800	600
HMCCGA3800F	Limited Stock From Get Price	Westinghouse	800	600
HMCGA3500	Limited Stock From Get Price	Westinghouse	500	600
HMCGA3600	Limited Stock From Get Price	Westinghouse	600	600
HMCGA3700	Limited Stock From Get Price	Westinghouse	700	600
HMCP100K3-A01	Limited Stock From Get Price	Westinghouse	100	600
HMCP100K3C-A01	Limited Stock From Get Price	Eaton	100	600
HMDLDC3800WK	Limited Stock From Get Price	Westinghouse	800	600
HNB21000V	Limited Stock From Get Price	Westinghouse	1000	600
HNB21200V	Limited Stock From Get Price	Westinghouse	1200	600
HNB2700V	Limited Stock From Get Price	Westinghouse	700	600
HNB2800V	Limited Stock From Get Price	Cutler Hammer	800	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.