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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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CABKR3P50C
CABKR3P50C
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Westinghouse
DK3400KX02
DK3400KX02
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Westinghouse
E-7819 BA-61
E-7819 BA-61
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Westinghouse
E-7819-2P-30A
E-7819-2P-30A
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Westinghouse
E-7819-2P-70A
E-7819-2P-70A
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Westinghouse
E-7819-3-20
E-7819-3-20
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Westinghouse
E-7819-3P-70A
E-7819-3P-70A
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Westinghouse
EHB1020H
EHB1020H
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Westinghouse
FB2045ML
FB2045ML
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Westinghouse
FB3050LA3
FB3050LA3
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Westinghouse
FDC3225P
FDC3225P
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Eaton
HFBM3100
HFBM3100
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Westinghouse
HMCP2LWS10
HMCP2LWS10
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Westinghouse
HMPC015E0C
HMPC015E0C
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Westinghouse
JD2200CM01
JD2200CM01
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Westinghouse
JD2200M01
JD2200M01
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Westinghouse
JKL2400F
JKL2400F
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Westinghouse
KA225ASNW
KA225ASNW
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Westinghouse
KAM3175
KAM3175
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Westinghouse
KB3175-G28
KB3175-G28
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Westinghouse
LAM3300
LAM3300
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Westinghouse
LB3400W
LB3400W
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Westinghouse
MCP03150CA3
MCP03150CA3
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Westinghouse
MCP13300R-A05
MCP13300R-A05
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Westinghouse
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.