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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
HF3B070	In Stock From $1,100^.03	ITE	70	600
HF3B090	Limited Stock From Get Price	ITE	90	600
HF3B100	In Stock From $1,046^.42	ITE	100	600
HF3M020	In Stock From $820^.36	Siemens	20	600
HKB3F800	In Stock From $1,952^.30	Siemens	800	600
JK3B070	In Stock From $14^.30	Siemens	70	600
JK3B090	In Stock From $11^.24	ITE	90	600
JK3B100	In Stock From $535^.49	Siemens	100	600
JK3B125	In Stock From $361^.66	ITE	125	600
JK3B150	In Stock From $664^.69	Siemens	150	600
JK3B175	In Stock From $1,095^.37	ITE	175	600
JK3B200	In Stock From $434^.86	Siemens	200	600
JK3B300	In Stock From $1,227^.84	ITE	300	600
JL63B300	In Stock From $659^.84	ITE	300	600
LJ63B450	In Stock From $458^.49	ITE	450	600
LJ63B500	Limited Stock From Get Price	ITE	500	600
LJ63B600	In Stock From $1,287^.62	ITE	600	600
P2020NC	In Stock From $65^.44	ITE	20	120
P220GS	In Stock From $30^.88	ITE	20	240
P40402	In Stock From $145^.37	ITE	40	240
P42100	In Stock From $181^.25	ITE	100	240
P4215	In Stock From $53^.84	ITE	15	240
P4220	In Stock From $103^.04	ITE	20	240
P4240	In Stock From $50^.50	ITE	40	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.