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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
Voltage
674894
674894
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General Electric
13
415
674895
674895
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General Electric
16
415
674896
674896
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20
415
674897
674897
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General Electric
25
415
674898
674898
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General Electric
32
415
674899
674899
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General Electric
40
415
674900
674900
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General Electric
50
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674901
674901
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General Electric
63
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674903
674903
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General Electric
1
415
674904
674904
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General Electric
2
415
674905
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General Electric
3
415
674906
674906
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General Electric
4
415
674907
674907
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General Electric
6
415
674909
674909
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General Electric
10
415
674910
674910
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General Electric
13
415
674912
674912
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General Electric
20
415
674913
674913
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General Electric
25
415
674914
674914
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General Electric
32
415
674915
674915
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General Electric
40
415
674916
674916
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General Electric
50
415
674917
674917
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General Electric
63
415
674919
674919
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General Electric
1
415
674920
674920
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General Electric
2
415
674921
674921
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General Electric
3
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.