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Molded Case Circuit Breaker

Cutler Hammer

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Molded Case Circuit Breaker

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Cutler Hammer

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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
JDB3100L	In Stock From $1,006^.36	Cutler Hammer	100	600
JDB3150L	In Stock From $896^.08	Cutler Hammer	150	600
JDB3175L	In Stock From $1,321^.10	Cutler Hammer	175	600
JDB3225L	In Stock From $854^.50	Cutler Hammer	225	600
JDB3250L	In Stock From $1,908^.56	Cutler Hammer	250	600
K3150PF	In Stock From $274^.73	Cutler Hammer	150	600
K3200	In Stock From $375^.57	Cutler Hammer	200	600
K3225	In Stock From $15^.82	Cutler Hammer	225	600
KI34150	In Stock From $8^.53	Cutler Hammer	150	480
KI341501021	In Stock From $10^.13	Cutler Hammer	150	480
KI34200	In Stock From $637^.66	Cutler Hammer	200	480
KL3250	In Stock From $541^.49	Cutler Hammer	250	600
KL3300	In Stock From $998^.62	Cutler Hammer	300	600
KL3350	In Stock From $451^.75	Cutler Hammer	350	600
KS220400D	In Stock From $949^.33	Cutler Hammer	400	240
KS320300D	In Stock From $884^.87	Cutler Hammer	300	240
KS320350D	In Stock From $1,374^.46	Cutler Hammer	350	240
KS320400A	In Stock From $300^.51	Cutler Hammer	400	240
KS360250A	In Stock From $1,028^.15	Thomas & Betts	250	600
LADC3500	In Stock From $554^.79	Westinghouse	500	500
LDB3600F	In Stock From $1,402^.74	Cutler Hammer	600	600
LM31000	In Stock From $1,939^.73	Westinghouse	1000	600
LM31000L	In Stock From $2,699^.38	Westinghouse	1000	600
LM31200	In Stock From $351^.90	Westinghouse	1200	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.