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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
HJD3200W	In Stock From $1,542^.85	Eaton	200	600
HJD3225W	In Stock From $1,926^.92	Westinghouse	225	600
HJD3250W	In Stock From $1,234^.55	Eaton	250	600
HJD4125	In Stock From $10,811^.18	Westinghouse	125	600
HJD4250	In Stock From $3,007^.32	Westinghouse	250	600
HJD63F400	In Stock From $1,843^.47	Siemens	400	600
HJL36030	In Stock From $680^.67	Square D	30	600
HJL36030AA	In Stock From $1,292^.32	Schneider Electric	30	600
HJL36050	In Stock From $516^.12	Square D	50	600
HJL36100M73	In Stock From $927^.10	Schneider Electric	100	600
HJL36150U33X	In Stock From $3,245^.20	Schneider Electric	150	600
HJXD63B400H	In Stock From $1,898^.78	Siemens	400	600
HKD3125T107W	In Stock From $3,086^.34	Westinghouse	125	600
HKD3125T56W	In Stock From $2,595^.39	Westinghouse	400	600
HKD3125T56WZGP	Limited Stock From Get Price	Eaton	125	600
HKD3125T57W	In Stock From $4,518^.18	Westinghouse	125	600
HKD3125T57WPN	In Stock From $3,847^.50	Westinghouse	125	600
HKD3125W	In Stock From $1,371^.34	Eaton	125	600
HKD3150W	In Stock From $1,755^.84	Cutler Hammer	150	600
HKD3175W	In Stock From $2,597^.75	Westinghouse	175	600
HKD3175X	In Stock From $1,190^.89	Eaton	175	600
HKD3200W	In Stock From $2,352^.97	Cutler Hammer	200	600
HKD3250T106W	In Stock From $14,356^.14	Eaton	250	600
HKD3250T107W	In Stock From $980^.36	Cutler Hammer	250	600

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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.