Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Subcategory

Molded Case Circuit Breaker

Manufacturers

All

Amperage

All

Voltage

All

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.

SORT BY

Part Number	PRICE	Manufacturer	Amperage	Voltage
25868	Limited Stock From Get Price	Merlin Gerin	6	440
25869	Limited Stock From Get Price	Merlin Gerin	10	440
25870	Limited Stock From Get Price	Merlin Gerin	16	440
25871	Limited Stock From Get Price	Merlin Gerin	20	440
25872	Limited Stock From Get Price	Merlin Gerin	25	440
25873	In Stock From $645^.72	Merlin Gerin	32	440
25874	Limited Stock From Get Price	Merlin Gerin	40	440
25878	In Stock From $26^.81	Merlin Gerin	1	440
25884	Limited Stock From Get Price	Merlin Gerin	20	440
2603D50G04	In Stock From $1,000^.16	Westinghouse	400	600
2603D60G01	In Stock From $563^.38	Westinghouse	250	600
2603D60G02	In Stock From $662^.75	Westinghouse	300	600
2603D60G03	In Stock From $55^.60	Westinghouse	350	600
29004	Limited Stock From Get Price	Merlin Gerin	100	690
29008	In Stock From $799^.92	Merlin Gerin	100	690
29722	In Stock From $58^.37	Merlin Gerin	63	690
30692	In Stock From $0^.35	Merlin Gerin	100	690
314C636G02	In Stock From $755^.56	Westinghouse	70	600
314C636G03	In Stock From $776^.98	Westinghouse	90	600
314C636G04	In Stock From $1,284^.52	Westinghouse	100	600
314C636G05	In Stock From $698^.52	Westinghouse	125	600
314C636G06	In Stock From $644^.77	Westinghouse	150	600
314C636G07	In Stock From $509^.50	Westinghouse	175	600
314C636G08	In Stock From $361^.73	Westinghouse	200	600

1
...
720
721
722
...
18,485

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.