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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
HJD3225	In Stock From $1,633^.36	Eaton	225	600
HMCP12Y8W	In Stock From $5,739^.63	Eaton	1200	600
HNX3B100	In Stock From $5,642^.81	Siemens	1000	600
KA36125	In Stock From $768^.33	Square D	125	600
KA36200	In Stock From $1,429^.44	Square D	200	600
KH36200	In Stock From $1,071^.45	Square D	200	600
LDP36400U31X	In Stock From $1,239^.69	Square D	400	600
LDP36600U31X	In Stock From $2,193^.42	Square D	600	600
LGB3B015B	In Stock From $386^.91	Siemens	15	600
LGB3B020	In Stock From $217^.27	Siemens	20	480
LGB3B025B	In Stock From $280^.25	Siemens	25	600
LGB3B030B	In Stock From $354^.98	Siemens	30	600
LGB3B045B	In Stock From $467^.98	Siemens	45	600
LGB3B090B	In Stock From $252^.99	Siemens	90	600
LGB3B110B	In Stock From $1,262^.76	Siemens	110	600
MJL36300	In Stock From $3,774^.92	Schneider Electric	300	600
MJL36400	In Stock From $4,385^.47	Schneider Electric	400	600
NGC312035E	In Stock From $21,304^.17	Eaton	-	-
NGG3B030L	In Stock From $478^.67	Siemens	30	600
NGS312033E	In Stock From $11,362^.00	Eaton	-	-
NGS312035E	In Stock From $6,139^.92	Eaton	-	-
NGS312036E	In Stock From $8,243^.65	Eaton	-	-
PGA36060	In Stock From $2,348^.70	Schneider Electric	600	600
PGA36080	In Stock From $5,436^.62	Square D	800	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.