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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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5SY41206
5SY41206
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5SY41357
5SY41357
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5SY41508
5SY41508
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5SY61206
5SY61206
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5SY71327
5SY71327
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5SY72057
5SY72057
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5SY75107
5SY75107
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5SY81067
5SY81067
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EQ8695(200A)
EQ8695(200A)
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EZC100F30100
EZC100F30100
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Schneider Electric
GFCB115BRYANT
GFCB115BRYANT
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Eaton
GFCB120BRYANT
GFCB120BRYANT
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Eaton
GFCB120_GFI
GFCB120_GFI
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Eaton
GFCBB220
GFCBB220
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Eaton
GFN36DB400LF
GFN36DB400LF
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Eaton
HGA36015-U
HGA36015-U
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Schneider Electric
HGA36100-U
HGA36100-U
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Schneider Electric
HMCP015EOCA02
HMCP015EOCA02
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Eaton
HMCP015EOCB10
HMCP015EOCB10
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Eaton
KHL3622517DC
KHL3622517DC
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Square D
KHL3625017DC
KHL3625017DC
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Square D
LAP363000MB
LAP363000MB
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Square D
NE224020SE3
NE224020SE3
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Federal Pacific
NM631125
NM631125
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Federal Pacific
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.