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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
KA361501212	In Stock From $1,293^.60	Square D	150	600
KA361502100J	In Stock From $1,308^.95	Square D	150	600
KA36150G	In Stock From $837^.09	Square D	150	600
KA36150MT	In Stock From $1,405^.43	Square D	150	600
KA36200G	In Stock From $2,564^.32	Square D	200	600
KA36225G	In Stock From $1,159^.26	Square D	225	600
KA362502100J	In Stock From $174^.45	Square D	250	600
KH36070	In Stock From $1,074^.84	Square D	70	600
KH36080	In Stock From $810^.73	Square D	80	600
KH36090	In Stock From $1,101^.40	Square D	90	600
KH36100	In Stock From $1,286^.56	Square D	100	600
LGB3B045	In Stock From $369^.36	Siemens	45	480
MAL364508041	In Stock From $4,648^.59	Square D	450	600
MAL366001021	In Stock From $1,186^.49	Square D	600	600
NGC312038E	In Stock From $14,071^.92	Eaton	-	-
NGG3B015L	In Stock From $218^.40	Siemens	15	600
NGG3B025	In Stock From $425^.92	Siemens	25	600
NGG3B035L	In Stock From $816^.08	Siemens	35	600
NGG3B050L	In Stock From $365^.00	Siemens	50	600
NGG3B070L	In Stock From $596^.09	Siemens	70	600
NGG3B080L	In Stock From $542^.50	Siemens	80	600
NGG3B090L	In Stock From $502^.37	Siemens	90	600
NGG3B100L	In Stock From $688^.16	Siemens	100	600
NGS308032E	In Stock From $4,689^.34	Eaton	-	-

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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.