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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
HMCP400Y5	In Stock From $1,835^.98	Eaton	400	600
HMCP800X7W	In Stock From $5,893^.51	Eaton	800	600
HMCPS003A0C	In Stock From $437^.77	Eaton	3	600
HMCPS007C0C	In Stock From $240^.20	Eaton	7	600
HMCPS030H1C	In Stock From $316^.87	Eaton	30	600
HMCPS050K2C	In Stock From $637^.48	Eaton	50	600
HMCPS150T4C	In Stock From $776^.98	Eaton	150	600
HMCPS150U4C	In Stock From $1,363^.99	Eaton	150	600
HMDL3700W	In Stock From $5,280^.64	Westinghouse	700	600
HMDL3800W	In Stock From $4,996^.23	Westinghouse	800	600
HMDL3800WK	In Stock From $2,657^.18	Cutler Hammer	800	600
HMG3B700L	In Stock From $4,241^.81	Siemens	700	600
HMX3B700	In Stock From $4,658^.18	Siemens	700	600
HMX3B700L	In Stock From $4,241^.81	Siemens	700	600
HNG3B120L	In Stock From $12,353^.32	Siemens	1200	600
HNXD63B120H	In Stock From $7,450^.20	Siemens	1200	600
HQR22B100	In Stock From $450^.58	Siemens	100	240
HQR22B150	In Stock From $339^.22	Siemens	150	240
HQR22B150HL	In Stock From $484^.85	Siemens	150	240
HQR22B200	In Stock From $609^.34	Siemens	200	240
HQR22B225	In Stock From $850^.09	Siemens	225	240
HQR22B250H	In Stock From $345^.16	Siemens	250	240
HQR23B100	In Stock From $741^.34	Siemens	100	240
HQR23B125	In Stock From $849^.38	Siemens	125	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.