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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
NFJ631125	In Stock From $574^.70	Federal Pacific	125	600
NFJ631200	In Stock From $1,035^.59	Federal Pacific	200	600
NJL631100	In Stock From $763^.16	Federal Pacific	100	600
NJL631150	In Stock From $335^.26	Federal Pacific	150	600
NJL631200R	In Stock From $1,130^.47	Federal Pacific	200	600
NJL631225	In Stock From $772^.37	Federal Pacific	225	600
NJL631300	In Stock From $695^.85	American	300	600
NJL631400	In Stock From $577^.73	Federal Pacific	400	600
NJL631600	In Stock From $2,592^.00	American	600	600
NJL632400	In Stock From $1,645^.58	Federal Pacific	400	600
NJL632600	In Stock From $3,240^.00	Federal Pacific	600	600
245	In Stock From $57^.80	Federal Pacific	45	240
250	In Stock From $41^.06	Federal Pacific	50	240
2B100	In Stock From $152^.78	Federal Pacific	100	240
2B150	In Stock From $164^.83	Federal Pacific	150	240
2P60	In Stock From $174^.39	Federal Pacific	60	240
2P80	In Stock From $212^.82	Federal Pacific	80	240
3P100	In Stock From $717^.75	American	100	240
3P30	In Stock From $332^.37	Federal Pacific	30	240
3P60	In Stock From $633^.29	Federal Pacific	60	240
3P80	In Stock From $678^.92	American	80	240
3P90	In Stock From $571^.38	American	90	240
NA115	In Stock From $41^.66	Federal Pacific	15	120
NA120	In Stock From $13^.23	Federal Pacific	20	120

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.