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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
A230	In Stock From $39^.62	Thomas & Betts	30	240
A240	In Stock From $48^.19	Thomas & Betts	40	240
QB30	In Stock From $14^.09	Zinsco	30	120
A130LR	In Stock From $100^.22	Thomas & Betts	30	120
A215	In Stock From $86^.63	Challenger	15	240
A250	In Stock From $25^.12	Thomas & Betts	50	240
LS36040YE	In Stock From $639^.60	Cutler Hammer	400	600
RC3830	In Stock From $64^.90	Zinsco	30	240
TBFP150-2	In Stock From $468^.47	Thomas & Betts	150	240
A220	In Stock From $53^.82	Thomas & Betts	20	240
FH360100A	In Stock From $317^.86	Thomas & Betts	100	600
FS240040A	In Stock From $153^.40	Thomas & Betts	40	480
FS320080A	In Stock From $555^.50	Thomas & Betts	80	240
FS320100A	In Stock From $246^.18	Cutler Hammer	100	240
FS340020A	In Stock From $223^.23	Thomas & Betts	20	480
FS340030A	In Stock From $286^.29	Thomas & Betts	30	480
FS340040	In Stock From $175^.22	Cutler Hammer	40	480
FS340040A	In Stock From $223^.42	Thomas & Betts	40	480
FS340050A	In Stock From $209^.14	Cutler Hammer	50	480
FS340060A	In Stock From $417^.90	Thomas & Betts	60	480
FS340070A	In Stock From $388^.65	Cutler Hammer	70	480
FS340090A	In Stock From $390^.04	Thomas & Betts	90	480
FS340100A	In Stock From $419^.20	Thomas & Betts	100	480
FS340150B	In Stock From $763^.98	Thomas & Betts	150	480

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.