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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
QJ3B150	In Stock From $426^.76	Siemens	150	240
QJ3B200	In Stock From $249^.36	Siemens	200	240
QJ3B225	In Stock From $438^.60	Siemens	225	240
QJ3H175	In Stock From $66^.67	Siemens	175	240
QJ3M200H	In Stock From $470^.80	Siemens	200	240
QJA32090	In Stock From $2,887^.42	Square D	90	240
QJA321006	In Stock From $651^.25	Square D	100	240
QJA322006	In Stock From $520^.26	Square D	200	240
QJH23B060L	In Stock From Get Price	Siemens	60	240
QJH23B070A02	In Stock From $345^.65	Siemens	70	240
QJL22100	In Stock From $1,898^.38	Square D	100	240
QJL22125	In Stock From $1,490^.75	Schneider Electric	125	240
QJL22150	In Stock From $1,708^.31	Square D	150	240
QJL22200	In Stock From $1,632^.00	Square D	200	240
QJL22225	In Stock From $2,502^.65	Schneider Electric	225	240
QO1101021	In Stock From $268^.79	Square D	10	240
QO115EPD	In Stock From $111^.57	Square D	15	120
QO115VH	In Stock From $19^.57	Square D	15	240
QO120AFI	In Stock From $18^.11	Square D	20	120
QO120AS	In Stock From $34^.84	Square D	20	120
QO120HID	In Stock From $14^.58	Square D	20	120
QO120K	In Stock From $60^.01	Square D	20	240
QO120PAF	In Stock From $44^.18	Schneider Electric	125	240
QO120PL	In Stock From $128^.27	Square D	20	240

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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.