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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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Manufacturer
SPHM1RM0R50
SPHM1RM0R50
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Eaton
SPHM2YL0005
SPHM2YL0005
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Eaton
SPHM2YM02R5
SPHM2YM02R5
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Eaton
SPHM3YM0035
SPHM3YM0035
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Eaton
SQL3225
SQL3225
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Schneider Electric
SVC7A7
SVC7A7
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Sector
T11-611-1
T11-611-1
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Schurter
T11-611-12
T11-611-12
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Schurter
T1B160R40
T1B160R40
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ABB
T1N080TL-4A3S4
T1N080TL-4A3S4
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ABB
T4280030
T4280030
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Generic
T7133A/160
T7133A/160
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Legrand
T7923A/1250
T7923A/1250
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Legrand
TA35-CFTWF200C0
TA35-CFTWF200C0
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Schurter
TA45-ABTWF050C0
TA45-ABTWF050C0
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Schurter
TD125NU-FTU-LL-100A
TD125NU-FTU-LL-100A
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LS Electric
TEC34100
TEC34100
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General Electric
TED136C15
TED136C15
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General Electric
TEF113015WL
TEF113015WL
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General Electric
TG-100B-3P-100A
TG-100B-3P-100A
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Terasaki
TG-100B-3P-75A
TG-100B-3P-75A
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Terasaki
THB163
THB163
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Eaton
THC323
THC323
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Eaton
THJS3606DG3
THJS3606DG3
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General Electric
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.