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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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MG25709
MG25709
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Schneider Electric
MG25710
MG25710
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Schneider Electric
MG25716
MG25716
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Schneider Electric
MG25724
MG25724
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Schneider Electric
MG25727
MG25727
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Schneider Electric
MG25728
MG25728
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Schneider Electric
MG25730
MG25730
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Schneider Electric
MG25732
MG25732
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Schneider Electric
MG25733
MG25733
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Schneider Electric
MG25844
MG25844
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Schneider Electric
MG25845
MG25845
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Schneider Electric
MG25847
MG25847
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Schneider Electric
MG25852
MG25852
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Schneider Electric
MG25854
MG25854
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Schneider Electric
MG25856
MG25856
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Schneider Electric
MG25865
MG25865
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Schneider Electric
MG25866
MG25866
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Schneider Electric
MG25869
MG25869
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Schneider Electric
MG31408
MG31408
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Schneider Electric
MG60100
MG60100
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Schneider Electric
MG60116
MG60116
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Schneider Electric
MG60164
MG60164
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Schneider Electric
MG60193
MG60193
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Schneider Electric
MGL403
MGL403
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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.