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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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EMCH132
EMCH132
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Eaton
EMCH132R10C
EMCH132R10C
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Eaton
EMCH140
EMCH140
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Eaton
EMCH332
EMCH332
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Eaton
EMCH363
EMCH363
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Eaton
EMDH106
EMDH106
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Eaton
EMDH110
EMDH110
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Eaton
EMDH120
EMDH120
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Eaton
EMDH125
EMDH125
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Eaton
EMDH232
EMDH232
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Eaton
EMDH350
EMDH350
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Eaton
EMS1251N
EMS1251N
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Eaton
EMS1253
EMS1253
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Eaton
EMT6-DBK
EMT6-DBK
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Eaton
ERB6-20/1/C/003
ERB6-20/1/C/003
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$45.97
Eaton
FASS10-230
FASS10-230
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Eaton
FAZ-XK35
FAZ-XK35
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Eaton
FD3125LA02S2605
FD3125LA02S2605
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$732.01
Eaton
FDB3125A06S06
FDB3125A06S06
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$2,510.26
Eaton
FI-40-2-003-A
FI-40-2-003-A
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Eaton
FI-63/4/03-U
FI-63/4/03-U
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$97.70
Eaton
FIM-40/4/0.03-A
FIM-40/4/0.03-A
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Eaton
FRCMM-25/4/003
FRCMM-25/4/003
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Eaton
FRCMM-25/4/003-A
FRCMM-25/4/003-A
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$237.82
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.