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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
NJL631400	In Stock From $697^.96	Federal Pacific	400	600
NJL631600	In Stock From $2,073^.60	American	600	600
NJL632350	In Stock From $466^.70	Federal Pacific	350	600
NJL632400	In Stock From $1,095^.41	Federal Pacific	400	600
NJX3A250	In Stock From $10,276^.67	Siemens	250	600
NJX3B400	In Stock From $2,676^.32	Siemens	400	600
NJX3R400	In Stock From $2,985^.50	Siemens	400	600
NM032400	In Stock From Get Price	Federal Pacific	400	600
NM032600	In Stock From $785^.82	Federal Pacific	600	600
NM632000	In Stock From $2,266^.89	Federal Pacific	800	600
NM632350	In Stock From $491^.39	Federal Pacific	350	600
NM632600	In Stock From $3,064^.15	Federal Pacific	600	600
NM632700	In Stock From $2,424^.00	Federal Pacific	700	600
NM632800	In Stock From $2,519^.51	Federal Pacific	800	600
NMG3U800L	In Stock From $3,681^.13	Siemens	800	600
NMX2B800	In Stock From $2,567^.17	Siemens	800	600
NMX3B600	In Stock From $2,711^.03	Siemens	600	600
NMX3B600L	In Stock From $10,338^.03	Siemens	600	600
NMX3B800	In Stock From $1,731^.77	Siemens	800	600
NMX3T800	In Stock From $1,752^.55	Siemens	800	600
NMY3B600	In Stock From $17,553^.42	Siemens	600	600
NMY3B600L	In Stock From $20,346^.67	Siemens	600	600
NNX3B100	In Stock From $4,989^.50	Siemens	1000	600
NNX3B120	In Stock From $3,731^.23	Siemens	1200	600

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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.