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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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MG23809
MG23809
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Schneider Electric
MG23851
MG23851
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Schneider Electric
MG23863
MG23863
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Schneider Electric
MG24175
MG24175
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Schneider Electric
MG24176
MG24176
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Schneider Electric
MG24202
MG24202
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Schneider Electric
MG24217
MG24217
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Schneider Electric
MG24310
MG24310
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Schneider Electric
MG24389
MG24389
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Schneider Electric
MG24409
MG24409
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Schneider Electric
MG24580
MG24580
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MG24582
MG24582
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MG24621
MG24621
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Schneider Electric
MG24626
MG24626
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Schneider Electric
MG24627
MG24627
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Schneider Electric
MG24628
MG24628
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Schneider Electric
MG24675
MG24675
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Schneider Electric
MG24880
MG24880
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Schneider Electric
MG24924
MG24924
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Schneider Electric
MG24961
MG24961
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Schneider Electric
MG25017
MG25017
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MG25018
MG25018
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MG25026
MG25026
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Schneider Electric
MG25080
MG25080
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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.