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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
NF631035	In Stock From $72^.87	American	35	600
NF631035R	In Stock From $201^.32	Federal Pacific	35	600
NF631040	In Stock From $164^.36	Federal Pacific	40	600
NF631045	In Stock From $149^.49	Federal Pacific	45	600
NF631060	In Stock From $460^.40	American	60	600
NF631070R	In Stock From $185^.26	American	70	600
NF631080	In Stock From $494^.51	American	80	600
NF631100R	In Stock From $792^.23	American	100	600
NFJ631100	In Stock From $1,221^.20	American	100	600
NFS3100	In Stock From $412^.71	Federal Pacific	100	240
NFS315	In Stock From $155^.69	Federal Pacific	15	240
NFS320	In Stock From $1,502^.75	Federal Pacific	20	240
NFS330	In Stock From $150^.46	Federal Pacific	30	240
NFS335	In Stock From $178^.66	Federal Pacific	35	240
NFS345	In Stock From $182^.70	Federal Pacific	45	240
NFS350	In Stock From $69^.26	Federal Pacific	50	240
NFS360	In Stock From $233^.15	Federal Pacific	60	240
NFS370	In Stock From $135^.37	Federal Pacific	70	240
NFS380	In Stock From $239^.89	Federal Pacific	80	240
NFS390	In Stock From $144^.79	Federal Pacific	90	240
NFS4315	In Stock From $137^.41	Federal Pacific	15	240
NFS4320	In Stock From $194^.13	Federal Pacific	20	240
NFS4330	In Stock From $163^.33	Federal Pacific	30	240
NJ631100	In Stock From $617^.37	Federal Pacific	100	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.