Refine Results

In Stock

Applied Filters:

Molded Case Circuit Breaker

ABB

Subcategory

Molded Case Circuit Breaker

Manufacturers (1)

ABB

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
S203-C50NA	Limited Stock From Get Price	ABB	50	480
S203-K0.5NA	Limited Stock From Get Price	ABB	0.5	480
S203-K10NA	Limited Stock From Get Price	ABB	10	480
S203-K13NA	Limited Stock From Get Price	ABB	13	480
S203-K20NA	Limited Stock From Get Price	ABB	20	480
S203-K25NA	Limited Stock From Get Price	ABB	25	480
S203-K2NA	Limited Stock From Get Price	ABB	2	480
S203-K32NA	Limited Stock From Get Price	ABB	32	480
S203-K40NA	Limited Stock From Get Price	ABB	40	480
S203-K4NA	Limited Stock From Get Price	ABB	4	480
S203-K50NA	Limited Stock From Get Price	ABB	50	480
S203-K63NA	Limited Stock From Get Price	ABB	63	480
S203-K6NA	Limited Stock From Get Price	ABB	6	480
S203-K8NA	Limited Stock From Get Price	ABB	8	480
S7H-3P-1200	Limited Stock From Get Price	ABB	1200	600
S7H-3P-800A	Limited Stock From Get Price	ABB	800	600
SSD3G6X2N000000	Limited Stock From Get Price	ABB	-	-
ST201M-C15	Limited Stock From Get Price	ABB	15	277
ST202M-K50	Limited Stock From Get Price	ABB	50	277
ST202M-Z50	Limited Stock From Get Price	ABB	50	277
ST203M-C40	Limited Stock From Get Price	ABB	40	277
SU201M-C10	Limited Stock From Get Price	ABB	-	-
SU201M-K25	Limited Stock From Get Price	ABB	-	-
SU202MR-K16	Limited Stock From Get Price	ABB	-	-

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.