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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
ND63B100L	In Stock From $3,585^.29	Siemens	1000	600
ND63B120	In Stock From $3,140^.49	Siemens	1200	600
ND63B120H	In Stock From $6,901^.20	Siemens	1200	600
ND63B800	In Stock From $3,408^.99	Siemens	800	600
NDC312T33W	In Stock From $8,345^.88	Eaton	1200	600
NDC312T76W	In Stock From $5,757^.51	Eaton	1200	600
NDC3800T32W	In Stock From $31,261^.58	Cutler Hammer	800	600
NDC3800T36W	In Stock From $6,587^.75	Westinghouse	800	600
NDC3800T52W	In Stock From $13,758^.03	Eaton	800	600
NDK3A060L	In Stock From $3,804^.75	Siemens	60	600
NDK3B050L	In Stock From $3,210^.39	Siemens	50	600
NDK3B060L	In Stock From $4,649^.54	Siemens	60	600
NDK3B070L	In Stock From $2,806^.79	Siemens	70	600
NDK3T100L	In Stock From $814^.62	Siemens	100	600
NDK3V060L	In Stock From $2,442^.00	Siemens	60	600
NE111020	In Stock From $33^.84	Federal Pacific	20	120
NE1236LSIG	In Stock From $9,332^.92	Square D	1200	600
NE224015	In Stock From $105^.52	American	15	240
NE224030	In Stock From $193^.35	Federal Pacific	30	240
NE224050	In Stock From $83^.69	Federal Pacific	50	240
NE224100	In Stock From Get Price	American	100	240
NE231020	In Stock From $184^.85	Federal Pacific	20	240
NE231100	In Stock From $463^.84	Federal Pacific	100	240
NE233020	In Stock From $188^.76	American	20	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.