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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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IFL26070
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IK36110G
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IL36400
IL36400
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JDM36225YL
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KI361751380
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LAL36400MB35
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LCP36450MT
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LGA36400U53XEA
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LJA3400WU31X
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LJF36400TU33CAFSPMA
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LXP36200LS1-1352
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M163A
M163A
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MAR368001625
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ME4-300
ME4-300
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MHL36000M287
MHL36000M287
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MHL36400DC
MHL36400DC
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MHL368001590
MHL368001590
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NA11086
NA11086
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NE36100LS
NE36100LS
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NFHF36125AFUPMAL4
NFHF36125AFUPMAL4
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NJS600H
NJS600H
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Schneider Electric
NSC100S
NSC100S
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PAF361600DC1616
PAF361600DC1616
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PAF361600DCA286
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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.