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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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Manufacturer
MGP 063 1B
MGP 063 1B
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Schneider Electric
MGP0161L1
MGP0161L1
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Schneider Electric
MGP0161Y
MGP0161Y
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Schneider Electric
MGP0163X
MGP0163X
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Schneider Electric
MGP0201L3
MGP0201L3
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Schneider Electric
MGP0251L1
MGP0251L1
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Schneider Electric
MGP0252L3N
MGP0252L3N
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Schneider Electric
MGP0301L1
MGP0301L1
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Schneider Electric
MGP0302L2N
MGP0302L2N
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Schneider Electric
MGP0323X
MGP0323X
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Schneider Electric
MGP0403
MGP0403
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Schneider Electric
MGP0501L3
MGP0501L3
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Schneider Electric
MGP0503
MGP0503
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Schneider Electric
MGP0631L3
MGP0631L3
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Schneider Electric
MGP0632L3N
MGP0632L3N
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Schneider Electric
MGP0801L3
MGP0801L3
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Schneider Electric
MGP1002BN
MGP1002BN
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Schneider Electric
MGP1002L3N
MGP1002L3N
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Schneider Electric
MGP1004X
MGP1004X
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Schneider Electric
MGP1013
MGP1013
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Schneider Electric
MGP1251L1
MGP1251L1
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Schneider Electric
MGP1251L3
MGP1251L3
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Schneider Electric
MGP1602L1N
MGP1602L1N
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Schneider Electric
MGP1602L3N
MGP1602L3N
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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.