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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
NFJ631200R	Limited Stock From Get Price	American	200	600
NFJ634225NA	In Stock From $985^.04	American	225	600
NFJ634250	In Stock From $878^.82	Federal Pacific	250	600
NFJ634250NA	In Stock From $795^.94	American	250	600
NJL424100	In Stock From $654^.54	Federal Pacific	100	480
NJL424125	In Stock From $1,206^.04	Federal Pacific	125	480
NJL424150	In Stock From $1,285^.38	Federal Pacific	150	480
NJL424175	In Stock From $1,116^.43	Federal Pacific	175	480
NJL424200	In Stock From $1,477^.44	American	200	480
NJL424225	In Stock From $1,150^.49	Federal Pacific	225	480
NJL424250	In Stock From $1,425^.60	American	250	480
NJL424300	In Stock From $1,266^.63	American	300	480
NJL424350	In Stock From $1,125^.92	American	350	480
NJL424400	In Stock From $1,067^.86	American	400	480
NJL424400NA	In Stock From $670^.92	Federal Pacific	400	480
NJL424500	In Stock From $1,323^.86	American	500	480
NJL424500NA	In Stock From $874^.98	American	500	480
NJL424600	In Stock From $1,363^.10	American	600	480
NJL424600NA	In Stock From $869^.82	American	600	480
NJL424600NAW	In Stock From $1,559^.06	American	600	480
NJL631070	In Stock From $1,972^.29	American	70	600
NJL631070R	In Stock From $526^.36	Federal Pacific	70	600
NJL631080	In Stock From $654^.27	Federal Pacific	80	600
NJL631090	In Stock From $671^.98	American	90	600

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.