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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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CB4201-10-3AMP
CB4201-10-3AMP
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Weidmuller
CB5-25A
CB5-25A
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Philips
CBC-1H-80A-42KA
CBC-1H-80A-42KA
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Eec Controls
CBW57-PS-30A
CBW57-PS-30A
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Optifuse
CD1-G3-U-020
CD1-G3-U-020
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Eaton
CDAE34063
CDAE34063
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Schneider Electric
CDXAE34100
CDXAE34100
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Schneider Electric
CE2020E
CE2020E
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Emerson
CE3020E4
CE3020E4
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Emerson
CE3050BV
CE3050BV
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Emerson
CE3100BV
CE3100BV
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Emerson
CE3100S
CE3100S
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Emerson
CE484U
CE484U
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Hager
CED113020
CED113020
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Schneider Electric
CED124070
CED124070
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Schneider Electric
CED126030
CED126030
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Siemens
CED132050
CED132050
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Schneider Electric
CED132060
CED132060
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Schneider Electric
CED132YT100
CED132YT100
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Schneider Electric
CF2-G3-AB0005-02B
CF2-G3-AB0005-02B
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Eaton
CF3250EF
CF3250EF
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Emerson
CFDPV4100W
CFDPV4100W
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Eaton
CFJ236150
CFJ236150
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Schneider Electric
CGHQ-1015
CGHQ-1015
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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.