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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
THJK436300WL	In Stock From $1,389^.18	General Electric	300	600
THKM31000	In Stock From $2,276^.42	General Electric	1000	600
THKM31200	In Stock From $3,671^.54	General Electric	1200	600
THKM3F	In Stock From $3,133^.52	General Electric	1200	600
THKM836350	In Stock From $2,756^.96	General Electric	350	600
THKM836500	In Stock From $2,566^.26	General Electric	500	600
THKM836500WL	In Stock From $2,566^.26	General Electric	500	600
THKM836800	In Stock From $1,305^.66	General Electric	800	600
THKMA31000	In Stock From $1,989^.32	General Electric	1000	600
THKMA31200	In Stock From $2,735^.76	General Electric	1200	600
THKMA31200WL	In Stock From $5,057^.83	General Electric	1200	600
THQB1115AF	In Stock From $84^.90	General Electric	15	240
THQB1115GFT	In Stock From $130^.40	General Electric	15	120
THQB1120AF2	In Stock From $15^.78	General Electric	20	240
THQB2115GF	In Stock From $56^.24	General Electric	15	240
THQB2115GFEP	In Stock From $138^.45	General Electric	15	240
THQB2115GFT	In Stock From $174^.31	General Electric	15	240
THQB2120GFEP	In Stock From $111^.34	General Electric	20	240
THQB2120ST1	In Stock From $131^.21	General Electric	20	240
THQB2125GFT	In Stock From $347^.16	General Electric	25	240
THQB2130ST1	In Stock From $87^.20	General Electric	30	240
THQB2150ST1	In Stock From $98^.90	General Electric	50	240
THQB21WY15	In Stock From $122^.14	General Electric	15	240
THQB22015	In Stock From $223^.92	General Electric	15	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.