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
RNFE36160U73RE1	Limited Stock From Get Price	Square D	1600	690
RNFE36160U74RE1	Limited Stock From Get Price	Schneider Electric	1600	690
RNFE36200U73RE1	Limited Stock From Get Price	Square D	2000	690
RNFE36200U74RE1	Limited Stock From Get Price	Schneider Electric	2000	690
RNFE36250U73RE1	Limited Stock From Get Price	Schneider Electric	2500	690
RNFE36250U74RE1	Limited Stock From Get Price	Square D	2500	690
RNFE36320U73RE1	Limited Stock From Get Price	Schneider Electric	3200	690
RNFE36320U74RE1	Limited Stock From Get Price	Schneider Electric	3200	690
S1N-3P-100A	Limited Stock From Get Price	ABB	100	480
S201-C1.6NA	Limited Stock From Get Price	ABB	1.6	277
S203-B13NA	Limited Stock From Get Price	ABB	13	480
S203-B32NA	Limited Stock From Get Price	ABB	32	480
S203-C1.6NA	Limited Stock From Get Price	ABB	1.6	480
S203-C13NA	Limited Stock From Get Price	ABB	13	480
S203-C1NA	Limited Stock From Get Price	ABB	1	480
S203-C2NA	Limited Stock From Get Price	ABB	2	480
S203-C4NA	Limited Stock From Get Price	ABB	4	480
S203-C6NA	Limited Stock From Get Price	ABB	6	480
S203-K1.6NA	Limited Stock From Get Price	ABB	1.6	480
S203-K3NA	Limited Stock From Get Price	ABB	3	480
SB3B160	Limited Stock From Get Price	ITE	1600	600
SB3B160A0E	Limited Stock From Get Price	ITE	1600	600
SB3B200	Limited Stock From Get Price	ITE	2000	600
SB3B250	Limited Stock From Get Price	ITE	2500	600

1
...
17,940
17,941
17,942
...
18,492

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.