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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
HK3F120	In Stock From $1,295^.59	ITE	1200	600
HP3B100	In Stock From $2,505^.82	ITE	1000	600
HP3B160	In Stock From $7,307^.60	Siemens	1600	600
HP3F160	In Stock From $4,871^.74	Siemens	1600	600
HR3F200	In Stock From $7,370^.42	Siemens	2000	600
JJ3B150	In Stock From $341^.08	Gould	150	600
JJ3B300	In Stock From $567^.41	Gould	300	600
JJ3B400	In Stock From $872^.30	Siemens	400	600
JL3B150	In Stock From $695^.26	Siemens	150	600
JL3B200	In Stock From $981^.63	Siemens	200	600
JL3B400	In Stock From $867^.64	Siemens	400	600
JL3F400	In Stock From $571^.67	Siemens	400	600
JL63B400	In Stock From $499^.95	ITE	400	600
KP3B900	In Stock From $1,748^.54	Siemens	900	600
KP3F120	In Stock From $1,227^.89	ITE	1200	600
P215	In Stock From $65^.30	ITE	15	240
P230	In Stock From $60^.70	ITE	30	240
QJ2B125	In Stock From $245^.42	Siemens	125	240
QJ2B150L	In Stock From $131^.93	ITE	150	240
QJ2B200	In Stock From $431^.40	ITE	200	240
QJ2B225	In Stock From $150^.51	Siemens	225	240
BL3100	In Stock From $65^.61	ITE	100	240
BL1-015	In Stock From $18^.61	Siemens	15	120
BL2-015	In Stock From $202^.19	Siemens	15	240

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.