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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
674864
674864
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General Electric
20
415
674865
674865
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General Electric
25
415
674866
674866
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General Electric
32
415
674868
674868
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General Electric
50
415
674869
674869
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General Electric
63
415
674872
674872
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General Electric
2
415
674873
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General Electric
3
415
674874
674874
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General Electric
4
415
674875
674875
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General Electric
6
415
674877
674877
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General Electric
10
415
674878
674878
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General Electric
13
415
674879
674879
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General Electric
16
415
674880
674880
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General Electric
20
415
674881
674881
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General Electric
25
415
674882
674882
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General Electric
32
415
674883
674883
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General Electric
40
415
674884
674884
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General Electric
50
415
674885
674885
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General Electric
63
415
674887
674887
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General Electric
1
415
674888
674888
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General Electric
2
415
674889
674889
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General Electric
3
415
674890
674890
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General Electric
4
415
674891
674891
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General Electric
6
415
674893
674893
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General Electric
10
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.