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Molded Case Circuit Breaker

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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
E2K3400MWWS51	Limited Stock From Get Price	Westinghouse	400	600
E2K3400MWWS52	Limited Stock From Get Price	Cutler Hammer	400	600
E2K3400MWWS53	Limited Stock From Get Price	Cutler Hammer	400	600
E2K3400MWWS54	Limited Stock From Get Price	Westinghouse	400	600
E2K3400MWWS55	Limited Stock From Get Price	Westinghouse	400	600
E2K3400MWWS56	Limited Stock From Get Price	Cutler Hammer	400	600
E2KM3100U66	Limited Stock From Get Price	Westinghouse	100	1000
E2KM3125U66	Limited Stock From Get Price	Westinghouse	125	1000
E2KM3150MU66	Limited Stock From Get Price	Cutler Hammer	150	1000
E2KM3150U66	Limited Stock From Get Price	Cutler Hammer	150	1000
E2KM3200U66	Limited Stock From Get Price	Westinghouse	200	1000
E2KM3225MU66	Limited Stock From Get Price	Cutler Hammer	225	1000
E2KM3225U66	Limited Stock From Get Price	Cutler Hammer	225	1000
E2KM3400DW	Limited Stock From Get Price	Cutler Hammer	400	1000
EHB3010S	Limited Stock From Get Price	Westinghouse	10	480
EHB3060S	Limited Stock From Get Price	Westinghouse	60	480
EHB3070S	Limited Stock From Get Price	Cutler Hammer	70	480
EHB3080S	Limited Stock From Get Price	Westinghouse	80	480
EHB3090S	Limited Stock From Get Price	Westinghouse	90	480
EHB3100S	Limited Stock From Get Price	Westinghouse	100	480
EHB3100SN	Limited Stock From Get Price	Westinghouse	100	480
EHD2020Z01	Limited Stock From Get Price	Westinghouse	20	480
EHD3060LA04	Limited Stock From Get Price	Westinghouse	60	480
EL4FW3050JL	Limited Stock From Get Price	Cutler Hammer	50	690

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.