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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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SEDATCQBBLCAAXX
SEDATCQBBLCAAXX
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ABB
SEDATCTEEQCAAXX
SEDATCTEEQCAAXX
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ABB
SEDATCTEERCAAXX
SEDATCTEERCAAXX
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ABB
SG53A
SG53A
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Fuji Electric
SHTA240-05SRULS
SHTA240-05SRULS
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Mitsubishi
T3N225TWA
T3N225TWA
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ABB
T4H250
T4H250
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ABB
THC203 1P
THC203 1P
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Bill Talismann
TJFP36520
TJFP36520
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ABB
TMAXT1N100
TMAXT1N100
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ABB
TMC81C03A2907560
TMC81C03A2907560
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Phoenix Contact
TMC81C15A2907571
TMC81C15A2907571
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Phoenix Contact
TMC82C10A2907591
TMC82C10A2907591
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Phoenix Contact
TMC82C15A2907594
TMC82C15A2907594
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Phoenix Contact
UXAB 479214-R-912
UXAB 479214-R-912
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ABB
YA3N3P160T
YA3N3P160T
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Tyco
YA3N3P250T
YA3N3P250T
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Tyco
ZM9A-200-NA NZMH9-250
ZM9A-200-NA NZMH9-250
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Moeller
LGC6630AAG
LGC6630AAG
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QR/QR COVER
QR/QR COVER
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S32660
S32660
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UVR012CPK
UVR012CPK
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UVR024CPK
UVR024CPK
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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.