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Molded Case Circuit Breaker

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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
QFP24125	Limited Stock From Get Price	Zinsco	125	240
RC3815T	Limited Stock From Get Price	Zinsco	15	240
RC3820T	Limited Stock From Get Price	Zinsco	20	240
RC3830T	Limited Stock From Get Price	Zinsco	30	240
RC3840T	Limited Stock From Get Price	Zinsco	40	240
RC3850T	Limited Stock From Get Price	Zinsco	50	240
HQB243030	Limited Stock From Get Price	Zinsco	30	240
HQB243050	Limited Stock From Get Price	Zinsco	50	240
HQB243060	Limited Stock From Get Price	Zinsco	60	240
Q2430-100	Limited Stock From Get Price	Zinsco	100	240
QC20FFP	Limited Stock From Get Price	Zinsco	20	240
QFL2200	Limited Stock From Get Price	Zinsco	200	240
QFL23225	Limited Stock From Get Price	Zinsco	225	240
QFP100-2	Limited Stock From Get Price	Thomas & Betts	100	240
QFP24-100-3	Limited Stock From Get Price	Challenger	100	240
QL2420250	Limited Stock From Get Price	Zinsco	250	240
QL2420250PY	Limited Stock From Get Price	Zinsco	250	240
QL2420300	Limited Stock From Get Price	Zinsco	300	240
QL2420300PY	Limited Stock From Get Price	Zinsco	300	240
QL2420350	Limited Stock From Get Price	Zinsco	350	240
QL2420350PY	Limited Stock From Get Price	Zinsco	350	240
QL2420400	Limited Stock From Get Price	Zinsco	400	240
QL2420500	Limited Stock From Get Price	Zinsco	500	240
QL2420600	Limited Stock From Get Price	Zinsco	600	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.