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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
JL3B125	In Stock From $1,041^.37	Siemens	125	600
JL3B150	In Stock From $843^.76	Siemens	150	600
JL3B300	In Stock From $490^.21	Siemens	300	600
JL3B400	In Stock From $1,422^.51	Siemens	400	600
JL3F400	In Stock From $574^.55	Siemens	400	600
JL63B400	In Stock From $499^.95	ITE	400	600
JLF36175	In Stock From $14,546^.88	Schneider Electric	175	600
JLF36200	In Stock From $4,818^.37	Square D	200	600
JLL26175	In Stock From $1,373^.27	Schneider Electric	175	600
JLL36150	In Stock From $1,875^.18	Schneider Electric	150	600
JLL36175	In Stock From $1,449^.22	Schneider Electric	175	600
JLL36225	In Stock From $1,079^.99	Square D	225	600
JLL36250T	In Stock From $3,954^.87	Square D	250	600
JLL36250U43X	In Stock From $4,622^.53	Schneider Electric	250	600
JLP36175	In Stock From $1,837^.84	Square D	175	600
JLP36225	In Stock From $1,887^.55	Square D	225	600
JT3250T	In Stock From $370^.22	Eaton	-	600
JXD23B225	In Stock From $929^.07	Siemens	225	240
JXD23B350L	In Stock From $1,017^.00	Siemens	350	240
JXD23B400	In Stock From $1,276^.68	Siemens	400	240
JXD23M350	In Stock From $1,294^.86	Siemens	350	240
JXD23S400A	In Stock From $424^.87	Siemens	400	240
JXD62B225L	In Stock From $1,198^.57	Siemens	225	600
JXD62B300	In Stock From $543^.85	Siemens	300	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.