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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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NGC408039EC
NGC408039EC
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Eaton
NGC408039M
NGC408039M
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Eaton
NGC408039MC
NGC408039MC
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NGC412032EC
NGC412032EC
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NGC412032M
NGC412032M
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Eaton
NGC412032MC
NGC412032MC
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Eaton
NGC412033E
NGC412033E
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Eaton
NGC412033EC
NGC412033EC
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NGC412033M
NGC412033M
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Eaton
NGC412033MC
NGC412033MC
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Eaton
NGC412035E
NGC412035E
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Eaton
NGC412035EC
NGC412035EC
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Eaton
NGC412035M
NGC412035M
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Eaton
NGC412035MC
NGC412035MC
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Eaton
NGC412036E
NGC412036E
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Eaton
NGC412036EC
NGC412036EC
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Eaton
NGC412036M
NGC412036M
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Eaton
NGC412036MC
NGC412036MC
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Eaton
NGC412038E
NGC412038E
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Eaton
NGC412038EC
NGC412038EC
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Eaton
NGC412038M
NGC412038M
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Eaton
NGC412038MC
NGC412038MC
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Eaton
NGC412039E
NGC412039E
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Eaton
NGC412039EC
NGC412039EC
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Eaton
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.