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Molded Case Circuit Breaker

Schneider Electric

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Molded Case Circuit Breaker

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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.

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Part Number	PRICE	Manufacturer	Amperage	Voltage
RJF36300U31A	Limited Stock From Get Price	Square D	3000	600
RJF36300U44A	Limited Stock From Get Price	Square D	3000	600
RJF36300U64AE1	Limited Stock From Get Price	Schneider Electric	3000	600
RK1000	Limited Stock From Get Price	Square D	1000	600
RK1200	Limited Stock From Get Price	Schneider Electric	1200	600
RK1600	Limited Stock From Get Price	Square D	1600	600
RK2500	Limited Stock From Get Price	Square D	2500	600
RK800	Limited Stock From Get Price	Square D	800	600
RKA36100CU43A	Limited Stock From Get Price	Square D	1000	600
RKA36100CU44A	Limited Stock From Get Price	Schneider Electric	1000	600
RKA36120CU44AYP	Limited Stock From Get Price	Square D	1200	600
RKF26000S16	Limited Stock From Get Price	Square D	1600	600
RKF36000S16	Limited Stock From Get Price	Schneider Electric	1600	600
RKF36000S20	Limited Stock From Get Price	Schneider Electric	2000	600
RKF36000S25	Limited Stock From Get Price	Square D	2500	600
RKF36100CU31A	Limited Stock From Get Price	Square D	1000	600
RKF36120	Limited Stock From Get Price	Square D	1200	600
RKF36120CU31A	Limited Stock From Get Price	Schneider Electric	1200	600
RKF36120CU44A	Limited Stock From Get Price	Square D	1200	600
RKF36160CU31A	Limited Stock From Get Price	Schneider Electric	1600	600
RKF36160CU33A	Limited Stock From Get Price	Schneider Electric	1600	600
RKF36160CU43A	Limited Stock From Get Price	Square D	1600	600
RKF36160CU44A	Limited Stock From Get Price	Square D	1600	600
RKF36160CU63AE1	Limited Stock From Get Price	Schneider Electric	1600	600

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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.