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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
UBIZ240	In Stock From $120^.30	Connecticut Electric	40	240
UBIZ240B	In Stock From $80^.41	Connecticut Electric	40	240
UBIZ250B	In Stock From $77^.91	Connecticut Electric	50	240
UBIZ260	In Stock From $70^.21	Connecticut Electric	60	240
UBIZ260B	In Stock From $78^.80	Connecticut Electric	60	240
UBIZ270B	In Stock From $121^.83	Connecticut Electric	70	240
UBIZ280	In Stock From $246^.75	Connecticut Electric	80	240
UBIZ280B	In Stock From $86^.44	Connecticut Electric	80	240
UBIZ290B	In Stock From $209^.91	Connecticut Electric	90	240
UBIZ3030	In Stock From $72^.43	Connecticut Electric	30	240
UBIZ50	In Stock From $40^.64	Zinsco	50	240
1489-M1C005	In Stock From $96^.55	Allen-Bradley	0.5	277
1489-M1C010	In Stock From $63^.16	Allen-Bradley	1	277
1489-M1C016	Limited Stock From Get Price	Allen-Bradley	1.6	277
1489-M1C060	In Stock From $66^.69	Allen-Bradley	6	277
1489-M1C100	In Stock From $77^.52	Allen-Bradley	10	277
1489-M1C130	Limited Stock From Get Price	Allen-Bradley	13	277
1489-M1C150	In Stock From $58^.64	Allen-Bradley	15	277
1489-M1C200	In Stock From $49^.27	Allen-Bradley	20	277
1489-M1C250	In Stock From $64^.89	Allen-Bradley	25	277
1489-M1C320	In Stock From $41^.97	Allen-Bradley	32	277
1489-M1C350	Limited Stock From Get Price	Allen-Bradley	35	277
1489-M1C400	In Stock From $86^.78	Allen-Bradley	40	240
1489-M1C600	In Stock From $30^.64	Allen-Bradley	60	240

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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.