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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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MG15006
MG15006
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Schneider Electric
MG16202
MG16202
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Schneider Electric
MG18353
MG18353
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Schneider Electric
MG19120
MG19120
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Schneider Electric
MG19124
MG19124
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Schneider Electric
MG19661
MG19661
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Schneider Electric
MG20544
MG20544
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Schneider Electric
MG23123
MG23123
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Schneider Electric
MG23734
MG23734
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Schneider Electric
MG23864
MG23864
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Schneider Electric
MG23987
MG23987
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Schneider Electric
MG24075
MG24075
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Schneider Electric
MG24184
MG24184
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Schneider Electric
MG24191
MG24191
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Schneider Electric
MG24249
MG24249
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Schneider Electric
MG24265
MG24265
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Schneider Electric
MG24311
MG24311
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Schneider Electric
MG24336
MG24336
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Schneider Electric
MG24342
MG24342
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Schneider Electric
MG24353
MG24353
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Schneider Electric
MG24396
MG24396
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Schneider Electric
MG24399
MG24399
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Schneider Electric
MG24405
MG24405
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Schneider Electric
MG24630
MG24630
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Schneider Electric
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.