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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
HQC3015	In Stock From $247^.46	Cutler Hammer	15	240
HQC3040	In Stock From $166^.87	Cutler Hammer	40	240
HQNB3015	In Stock From $123^.31	Westinghouse	15	240
HQNB3020	In Stock From $66^.74	Westinghouse	20	240
HQNBA3090	In Stock From $54^.35	Westinghouse	90	240
J3175	In Stock From $592^.15	Westinghouse	175	600
KI3400F	In Stock From $55^.56	Westinghouse	400	480
L3400	In Stock From $425^.99	Westinghouse	400	600
MS360500A	In Stock From $1,313^.80	Westinghouse	500	600
MS360600A	In Stock From $1,608^.24	Westinghouse	600	600
MS360700A	In Stock From $892^.95	Westinghouse	700	600
QBGF1015	In Stock From $51^.42	Westinghouse	15	120
QBGF2030	Limited Stock From Get Price	Westinghouse	30	240
QC3040	In Stock From $299^.26	Cutler Hammer	40	240
QNBL1030	In Stock From $99^.33	Westinghouse	30	240
QNP3040	In Stock From $15^.33	Westinghouse	40	240
QNPAL2060	In Stock From $27^.69	Westinghouse	60	240
RE1020	In Stock From $32^.23	Westinghouse	20	120
RE1030	In Stock From $29^.62	Westinghouse	30	120
RE1040	In Stock From $79^.12	Westinghouse	40	120
RE1070	In Stock From $72^.62	Westinghouse	70	120
RE1070L	In Stock From $69^.44	Westinghouse	70	120
RE1080	In Stock From $73^.43	Westinghouse	80	120
RE1080L	In Stock From $70^.94	Westinghouse	80	120

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.