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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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Amperage
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690737
690737
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General Electric
40
415
690738
690738
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General Electric
50
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690739
690739
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General Electric
63
415
690740
690740
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General Electric
6
415
690741
690741
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General Electric
10
415
690742
690742
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16
415
690743
690743
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20
415
690744
690744
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General Electric
25
415
690745
690745
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General Electric
32
415
690746
690746
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General Electric
40
415
690747
690747
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General Electric
50
415
690748
690748
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General Electric
63
415
DG61B20
DG61B20
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General Electric
20
415
DG61B50
DG61B50
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General Electric
50
415
DG61B63
DG61B63
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General Electric
63
415
DG61C10
DG61C10
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General Electric
10
415
DG61C32
DG61C32
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General Electric
32
415
DG61C40
DG61C40
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General Electric
40
415
DG61C63
DG61C63
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General Electric
63
415
DG62B06
DG62B06
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General Electric
6
415
DG62B10
DG62B10
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General Electric
10
415
DG62B16
DG62B16
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General Electric
16
415
DG62B20
DG62B20
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General Electric
20
415
DG62B25
DG62B25
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General Electric
25
415
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.