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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
HKB3F120	In Stock From $3,980^.34	Siemens	1200	600
JK3B200	In Stock From $434^.86	Siemens	200	600
JK3B225	In Stock From $724^.24	ITE	225	600
KPB3F120	In Stock From $94^.85	ITE	1200	600
LJ63B500	Limited Stock From Get Price	ITE	500	600
P115GF	In Stock From $62^.67	ITE	15	120
P120GF	In Stock From $127^.11	ITE	20	120
P140	In Stock From $40^.62	ITE	40	120
P150	In Stock From $13^.99	Siemens	50	120
P2020	In Stock From $62^.54	Siemens	20	120
P4215	In Stock From $66^.33	ITE	15	240
QP120	In Stock From $10^.04	ITE	20	240
QP130	In Stock From $13^.00	ITE	30	240
QP1B015	In Stock From $8^.56	ITE	15	240
QP1B020	In Stock From $4^.70	ITE	20	240
QP1B030	In Stock From $28^.67	ITE	30	240
QP2B015	In Stock From $14^.93	ITE	15	240
QP2B020	In Stock From $38^.38	ITE	20	240
QP2B070	In Stock From $35^.67	ITE	70	240
QP2B100	In Stock From $51^.52	ITE	100	240
QP3B030	In Stock From $20^.90	ITE	30	240
QP3B050	In Stock From $28^.42	ITE	50	240
B230EG	In Stock From $210^.89	Siemens	30	240
BL370	In Stock From $66^.00	ITE	70	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.