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
FS340090B	Limited Stock From Get Price	Thomas & Betts	90	480
FS340100B	Limited Stock From Get Price	Thomas & Betts	100	480
FS340150	Limited Stock From Get Price	Thomas & Betts	150	480
FS360020	Limited Stock From Get Price	Thomas & Betts	20	600
FS360020B	Limited Stock From Get Price	Cutler Hammer	20	600
FS360025	Limited Stock From Get Price	Thomas & Betts	25	600
FS360025B	Limited Stock From Get Price	Cutler Hammer	25	600
FS360030B	Limited Stock From Get Price	Cutler Hammer	30	600
FS360035	Limited Stock From Get Price	Thomas & Betts	35	600
FS360035B	Limited Stock From Get Price	Cutler Hammer	35	600
FS360040	Limited Stock From Get Price	Cutler Hammer	40	600
FS360040B	Limited Stock From Get Price	Cutler Hammer	40	600
FS360045	Limited Stock From Get Price	Thomas & Betts	45	600
FS360050	Limited Stock From Get Price	Cutler Hammer	50	600
FS360050B	Limited Stock From Get Price	Cutler Hammer	50	600
FS360060	Limited Stock From Get Price	Thomas & Betts	60	600
FS360060B	Limited Stock From Get Price	Cutler Hammer	60	600
FS360070B	Limited Stock From Get Price	Cutler Hammer	70	600
FS360080	Limited Stock From Get Price	Thomas & Betts	80	600
FS360080B	Limited Stock From Get Price	Cutler Hammer	80	600
FS360090B	Limited Stock From Get Price	Cutler Hammer	90	600
FS360100	Limited Stock From Get Price	Thomas & Betts	100	600
FS360100B	Limited Stock From Get Price	Cutler Hammer	100	600
FS360125	Limited Stock From Get Price	Thomas & Betts	125	600

1
...
16,967
16,968
16,969
...
18,484

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.