Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

Eaton

Subcategory

Molded Case Circuit Breaker

Manufacturers (1)

Eaton

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
FG3090S30	Limited Stock From Get Price	Westinghouse	90	600
FG3090S31	Limited Stock From Get Price	Eaton	90	600
FG3090S32	Limited Stock From Get Price	Westinghouse	90	600
FG3100S01	Limited Stock From Get Price	Westinghouse	100	600
FG3100S03	Limited Stock From Get Price	Westinghouse	100	600
FG3100S04	Limited Stock From Get Price	Eaton	100	600
FG3100S05	Limited Stock From Get Price	Westinghouse	100	600
FG3100S06	Limited Stock From Get Price	Westinghouse	100	600
FG3100S07	Limited Stock From Get Price	Westinghouse	100	600
FG3100S08	Limited Stock From Get Price	Westinghouse	100	600
FG3100S09	Limited Stock From Get Price	Cutler Hammer	100	600
FG3100S10	Limited Stock From Get Price	Eaton	100	600
FG3100S11	Limited Stock From Get Price	Cutler Hammer	100	600
FG3100S12	Limited Stock From Get Price	Cutler Hammer	100	600
FG3100S13	Limited Stock From Get Price	Westinghouse	100	600
FG3100S14	Limited Stock From Get Price	Westinghouse	100	600
FG3100S15	Limited Stock From Get Price	Westinghouse	100	600
FG3100S16	Limited Stock From Get Price	Westinghouse	100	600
FG3100S17	Limited Stock From Get Price	Eaton	100	600
FG3100S19	Limited Stock From Get Price	Cutler Hammer	100	600
FG3100S21	Limited Stock From Get Price	Westinghouse	100	600
FG3100S22	Limited Stock From Get Price	Cutler Hammer	100	600
FG3100S23	Limited Stock From Get Price	Cutler Hammer	100	600
FG3100S24	Limited Stock From Get Price	Cutler Hammer	100	600

1
...
2,738
2,739
2,740
...
3,372

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.