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Molded Case Circuit Breaker

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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
5SQ2170-0KA40	Limited Stock From Get Price	Siemens	40	230
5SQ2170-0KA63	Limited Stock From Get Price	Siemens	63	230
5SQ2170-2YA06	Limited Stock From Get Price	Siemens	6	230
5SQ21C2	In Stock From $13^.61	Siemens	-	230
5SQ22107YA10	In Stock From $106^.94	Siemens	10	230
5SQ2270-0KA02	Limited Stock From Get Price	Siemens	2	230
5SQ2270-0KA40	Limited Stock From Get Price	Siemens	40	230
5SQ2270-2YA08	Limited Stock From Get Price	Siemens	8	230
5SQ2270-2YA10	Limited Stock From Get Price	Siemens	10	230
5SQ2370-0KA04	Limited Stock From Get Price	Siemens	4	230
5SQ2370-0KA06	Limited Stock From Get Price	Siemens	6	230
5SQ2370-0KA40	In Stock From $61^.69	Siemens	40	230
5SQ2570-0KA08	In Stock From $25^.02	Siemens	8	230
5SQ2570-0KA10	Limited Stock From Get Price	Siemens	10	230
5SQ2570-0KA25	Limited Stock From Get Price	Siemens	25	230
5SQ2570-0KA40	Limited Stock From Get Price	Siemens	40	230
5SQ2570-0KA50	Limited Stock From Get Price	Siemens	50	230
5SQ2570-2YA01	Limited Stock From Get Price	Siemens	1	230
5SQ2670-0KA32	In Stock From $64^.29	Siemens	32	230
5SQ2670-0KA50	Limited Stock From Get Price	Siemens	50	230
5SQ3270-1BA06	Limited Stock From Get Price	Siemens	6	230
5SQ3670-1BA10	Limited Stock From Get Price	Siemens	10	230
5SU1-353-1KV16	In Stock From $144^.62	Siemens	16	400
5SU1153-0KV10	Limited Stock From Get Price	Siemens	10	230

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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.