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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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MG25115
MG25115
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Schneider Electric
MG25128
MG25128
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Schneider Electric
MG25418
MG25418
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Schneider Electric
MG25462
MG25462
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Schneider Electric
MG25498
MG25498
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Schneider Electric
MG25597
MG25597
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Schneider Electric
MG25623
MG25623
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Schneider Electric
MG25808
MG25808
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Schneider Electric
MG25812
MG25812
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Schneider Electric
MG29710
MG29710
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Schneider Electric
MG31631
MG31631
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Schneider Electric
MG37649
MG37649
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Schneider Electric
MG60141
MG60141
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Schneider Electric
MG60163
MG60163
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Schneider Electric
MG60168
MG60168
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Schneider Electric
MG60199
MG60199
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Schneider Electric
MGP1001L3
MGP1001L3
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Schneider Electric
MH36800586I
MH36800586I
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Schneider Electric
MJL36600AA-SKLU
MJL36600AA-SKLU
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Schneider Electric
MULTI9C60D20A
MULTI9C60D20A
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Schneider Electric
MULTI9C60N40A
MULTI9C60N40A
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Schneider Electric
NFNF-36225-AAHJ00
NFNF-36225-AAHJ00
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Schneider Electric
NFNLE36080RD12
NFNLE36080RD12
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Schneider Electric
NJHN36000S60AEBH
NJHN36000S60AEBH
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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.