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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
674813
674813
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General Electric
10
415
674815
674815
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General Electric
16
415
674816
674816
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General Electric
20
415
674818
674818
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General Electric
32
415
674819
674819
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General Electric
40
415
674820
674820
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General Electric
50
415
674821
674821
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General Electric
63
415
674824
674824
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General Electric
2
415
674826
674826
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General Electric
4
415
674827
674827
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General Electric
6
415
674829
674829
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General Electric
10
415
674831
674831
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General Electric
16
415
674832
674832
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General Electric
20
415
674833
674833
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General Electric
25
415
674834
674834
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General Electric
32
415
674835
674835
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General Electric
40
415
674836
674836
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General Electric
50
415
674837
674837
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General Electric
63
415
674855
674855
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General Electric
1
415
674856
674856
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General Electric
2
415
674857
674857
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General Electric
3
415
674858
674858
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General Electric
4
415
674862
674862
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General Electric
13
415
674863
674863
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General Electric
16
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.