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Molded Case Circuit Breaker

Cutler Hammer

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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
LDC3500W	In Stock From $3,110^.40	Westinghouse	500	600
LDC3500X	In Stock From $2,116^.36	Westinghouse	500	600
LDC3500Y	In Stock From $2,139^.88	Westinghouse	500	600
LDC3600C	In Stock From $37,809^.88	Westinghouse	600	600
LDC3600X	In Stock From $3,601^.69	Cutler Hammer	600	600
LDC3600Y	In Stock From $37,809^.88	Westinghouse	600	600
LGE3300FAG	In Stock From $2,815^.34	Eaton	300	600
LGE360033G	In Stock From $5,646^.32	Cutler Hammer	600	600
LGE3630NNWC	In Stock From $3,031^.15	Cutler Hammer	630	600
LGH340032W	In Stock From $2,245^.59	Cutler Hammer	400	600
LGS3250FAG	In Stock From $3,273^.94	Cutler Hammer	250	600
LGS3300FAG	In Stock From $3,439^.24	Cutler Hammer	300	600
LGS3500FAG	In Stock From $2,870^.54	Cutler Hammer	500	600
LGS3600FAG	In Stock From $4,236^.78	Cutler Hammer	600	600
LGS3600FAGC	In Stock From $4,293^.90	Cutler Hammer	600	600
LGS3630AAG	In Stock From $1,829^.46	Cutler Hammer	630	600
LGS3630NN	In Stock From $2,170^.12	Cutler Hammer	630	600
MD3300	In Stock From $2,107^.92	Eaton	300	600
MD3300W	In Stock From $2,194^.02	Westinghouse	300	600
MD3350	In Stock From $1,988^.10	Cutler Hammer	350	600
MD3350W	In Stock From $2,362^.76	Westinghouse	350	600
MD3400	In Stock From $2,497^.47	Eaton	400	600
MD3400W	In Stock From $2,324^.10	Cutler Hammer	400	600
MD3450W	In Stock From $2,230^.34	Cutler Hammer	450	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.