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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
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Amperage
Voltage
674601
674601
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General Electric
6
415
674606
674606
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General Electric
20
415
674607
674607
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General Electric
25
415
674623
674623
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General Electric
25
415
674632
674632
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General Electric
4
415
674633
674633
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General Electric
6
415
674638
674638
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General Electric
20
415
674641
674641
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General Electric
40
415
674651
674651
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General Electric
10
415
674671
674671
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General Electric
25
415
674672
674672
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General Electric
32
415
674673
674673
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General Electric
40
415
674675
674675
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General Electric
63
415
674719
674719
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General Electric
20
415
674722
674722
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General Electric
40
415
674817
674817
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General Electric
25
415
674859
674859
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General Electric
6
415
674861
674861
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General Electric
10
415
674867
674867
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General Electric
40
415
674911
674911
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General Electric
16
415
674923
674923
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General Electric
6
415
674925
674925
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General Electric
10
415
674976
674976
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General Electric
16
415
675004
675004
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General Electric
63
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.