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Molded Case Circuit Breaker

Thomas & Betts

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Molded Case Circuit Breaker

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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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Part Number	PRICE	Manufacturer	Amperage	Voltage
QCAL80	Limited Stock From Get Price	Thomas & Betts	80	240
QCB40	Limited Stock From Get Price	Zinsco	40	240
QFP100-2P	Limited Stock From Get Price	Challenger	100	240
R3870	Limited Stock From Get Price	Zinsco	70	240
RC3835	Limited Stock From Get Price	Zinsco	35	240
RC3845	Limited Stock From Get Price	Zinsco	45	240
TB125C	Limited Stock From Get Price	Thomas & Betts	25	240
TB130C	Limited Stock From Get Price	Thomas & Betts	30	240
TB135	Limited Stock From Get Price	Thomas & Betts	35	240
TB135C	Limited Stock From Get Price	Thomas & Betts	35	240
TB140C	Limited Stock From Get Price	Thomas & Betts	40	240
TB145	Limited Stock From Get Price	Thomas & Betts	45	240
TB145C	Limited Stock From Get Price	Thomas & Betts	45	240
TB170	Limited Stock From Get Price	Thomas & Betts	70	240
TB225	Limited Stock From Get Price	Thomas & Betts	25	240
TB225C	Limited Stock From Get Price	Thomas & Betts	25	240
TB230C	Limited Stock From Get Price	Thomas & Betts	30	240
TB235	Limited Stock From Get Price	Thomas & Betts	35	240
TB240C	Limited Stock From Get Price	Thomas & Betts	40	240
TB245	Limited Stock From Get Price	Thomas & Betts	45	240
TB245C	Limited Stock From Get Price	Thomas & Betts	45	240
TB250	Limited Stock From Get Price	Thomas & Betts	50	240
TB250C	Limited Stock From Get Price	Thomas & Betts	50	240
TB280	Limited Stock From Get Price	Thomas & Betts	80	240

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.