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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
QFP24-225-3	In Stock From $2,163^.42	Sylvania	225	240
R3830	In Stock From $28^.51	Zinsco	30	240
HQB243015	In Stock From $102^.96	Zinsco	15	240
HQB243020	In Stock From $149^.10	Zinsco	20	240
HQB243040	In Stock From $223^.21	Zinsco	40	240
HQGF20	In Stock From Get Price	Zinsco	20	120
Q2430-15	In Stock From $90^.02	Zinsco	15	240
Q2430-20	In Stock From $260^.88	Zinsco	20	240
Q2430-30	In Stock From $224^.70	Zinsco	30	240
Q2430-40	In Stock From $187^.42	Zinsco	40	240
Q2430-50-D	In Stock From $318^.82	Zinsco	50	240
Q2430-60	In Stock From $261^.11	Zinsco	60	240
Q2430-70	In Stock From $113^.47	Zinsco	70	240
Q2430-90	In Stock From $863^.52	Zinsco	90	240
QC-20	In Stock From $49^.70	Zinsco	20	240
QC-60	In Stock From $22^.73	Zinsco	60	240
QFB24150	In Stock From $240^.21	Challenger	150	240
QFL2225	In Stock From $223^.80	Challenger	225	240
QFL23200	In Stock From $857^.29	Challenger	200	240
QFL3225	In Stock From $874^.53	Challenger	225	240
QL2424300	In Stock From $1^.82	Zinsco	300	240
QL2436250	In Stock From $1,735^.40	Zinsco	250	240
QL2436400	In Stock From $532^.10	Zinsco	400	240
R38AL-15	In Stock From $43^.20	Zinsco	15	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.