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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
Q1540NC	In Stock From $29^.26	Siemens	-	-
Q2020AFCCSA	In Stock From $153^.54	Siemens	20	240
QA115AFCNL	In Stock From $32^.13	Siemens	-	-
QA115AFCP	In Stock From $66^.63	Siemens	-	-
QJ3H125	In Stock From Get Price	Siemens	125	240
3RV10110BA15	In Stock From $265^.63	Siemens	-	690
3RV20111CA25	In Stock From $307^.36	Siemens	-	690
3VA6712-6HN31-2AA0	In Stock From $18,347^.89	Siemens	1200	600
5SJ3606-7	Limited Stock From Get Price	Siemens	6	240
5SJ4101-7XX42	Limited Stock From Get Price	Siemens	1	277
5SJ4332-7HG42	In Stock From $170^.92	Siemens	32	277
5SP9310-7	In Stock From $142^.17	Siemens	10	400
5SQ03301	In Stock From $7^.50	Siemens	30	230
5SQ1-102-3	Limited Stock From Get Price	Siemens	2	230
5SQ1-210-0KA63	In Stock From $51^.72	Siemens	63	230
5SQ1110-0KA25	In Stock From $10^.35	Siemens	25	230
5SQ1210-0KA01	In Stock From $28^.00	Siemens	1	230
5SQ1210-0KA20	In Stock From $24^.21	Siemens	20	230
5SQ1210-0KA25	In Stock From $30^.43	Siemens	25	230
5SQ1210-0KA32	In Stock From $29^.97	Siemens	32	230
5SQ13-G4A	Limited Stock From Get Price	Siemens	4	230
5SQ2-170-2YA05	Limited Stock From Get Price	Siemens	5	230
5SQ2-270-2YA04	Limited Stock From Get Price	Siemens	4	230
5SQ2-370-2YA50	Limited Stock From Get Price	Siemens	50	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.