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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
FS360015A	In Stock From $166^.54	Thomas & Betts	15	600
FS360125A	In Stock From $458^.50	Thomas & Betts	125	600
LSB320400E	In Stock From $950^.83	Cutler Hammer	400	240
LSB360350E	In Stock From $786^.12	Thomas & Betts	350	600
LSB360400E	In Stock From $682^.41	Thomas & Betts	400	600
LSB360600E	In Stock From $918^.98	Thomas & Betts	600	600
Q20	In Stock From $8^.09	Siemens	20	120
Q25	In Stock From $34^.71	Siemens	25	240
Q30	In Stock From $29^.45	Siemens	30	120
QB15	In Stock From $21^.45	Zinsco	15	120
QB40	In Stock From $31^.70	Thomas & Betts	40	120
QC-40	In Stock From $40^.45	Sylvania	40	240
QCAL100	In Stock From $157^.63	Thomas & Betts	100	240
QCAL125	In Stock From $368^.44	Thomas & Betts	125	240
QCAL70	In Stock From $109^.91	Zinsco	70	240
QCAL90	In Stock From $116^.56	Zinsco	90	240
QCB20	In Stock From $78^.56	Thomas & Betts	20	240
QCB30	In Stock From $169^.70	Zinsco	30	240
R3840	In Stock From $51^.08	Zinsco	40	240
RC3815	In Stock From $20^.48	Zinsco	15	240
RC3850	In Stock From $64^.20	Zinsco	50	240
TB115	In Stock From $43^.88	Thomas & Betts	15	240
TB120	In Stock From $23^.00	Thomas & Betts	20	240
TB120C	In Stock From $2^.33	Thomas & Betts	20	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.