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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
XO120	In Stock From $72^.10	Cutler Hammer	20	120
XO220	In Stock From $91^.52	Cutler Hammer	20	240
XO240	In Stock From $168^.57	Cutler Hammer	40	240
Y1B115	In Stock From $128^.34	Square D	15	277
Y1B120	In Stock From $61^.35	Square D	20	277
Y1B130	In Stock From $116^.97	Square D	30	277
ZM6-100-CNA	In Stock From $146^.39	Klockner Moeller	100	600
B230EG	In Stock From $210^.89	Siemens	30	240
BE130H	In Stock From $137^.42	Siemens	30	120
BG220	In Stock From $60^.89	Siemens	20	120
CHFCAF120CS	In Stock From $213^.39	Eaton	-	-
FD3015VW	In Stock From $1,279^.67	Eaton	-	-
HDK3B150	In Stock From $15,662^.10	Siemens	150	600
HOMT215240	In Stock From $40^.07	Square D	40	240
HOMT230230	In Stock From $162^.23	Square D	30	240
HOMT230250	In Stock From $93^.65	Square D	50	240
ME436LIG	In Stock From $2,512^.72	Square D	400	600
THQDL21150	In Stock From $1,016^.00	General Electric	150	240
XT1NU3030AAA000XXX	In Stock From $265^.53	ABB	-	-
XT1NU3100AAA000XXX	In Stock From $383^.56	ABB	-	-
XT5LU360BBYN000XXX	In Stock From $4,372^.91	ABB	600	600
XT5NQ340AENN000XXX	In Stock From $3,528^.72	ABB	400	-
XT5NU325AFYN000XXX	In Stock From $2,023^.47	ABB	250	600
XT5NU325AGYN000XXX	In Stock From $1,769^.09	ABB	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.