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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
HMX3T800	In Stock From $38,698^.15	Siemens	800	600
HMXD63B800	In Stock From $6,180^.51	Siemens	800	600
HMY3T600	In Stock From $11,813^.65	Siemens	600	600
HND63F120	In Stock From $3,897^.38	Siemens	1200	600
HNXD63B100	In Stock From $4,465^.18	Siemens	1000	600
HPX3B160	In Stock From $36,583^.86	Siemens	1600	600
JD62F400	In Stock From $598^.63	Siemens	400	600
JD63B300	In Stock From $1,279^.40	Siemens	300	600
JD63B400	In Stock From $1,669^.03	Siemens	400	600
JJ63B400	In Stock From $763^.26	Siemens	400	600
JXD22B350	In Stock From $990^.72	Siemens	350	240
JXD23B200	In Stock From $1,936^.44	Siemens	200	240
JXD23S400A	In Stock From $1,188^.84	Siemens	400	240
JXD63B200	In Stock From $2,880^.89	Siemens	200	600
JXD63B250	In Stock From $2,246^.37	Siemens	250	600
JXD63B400L	In Stock From $6,595^.52	Siemens	350	600
JXD63H400	In Stock From $1,800^.99	Siemens	400	600
LGB1B015B	In Stock From $165^.80	Siemens	15	347
LGB1B025B	In Stock From $207^.42	Siemens	25	347
LGB1B030B	In Stock From $240^.34	Siemens	30	347
LGB1B035B	In Stock From $448^.09	Siemens	35	347
LGB1B050B	In Stock From $236^.31	Siemens	50	347
LGB2B015B	In Stock From $374^.40	Siemens	15	600
LGB2B020B	In Stock From $355^.68	Siemens	20	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.