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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
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Amperage
Voltage
674699
674699
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General Electric
32
415
674700
674700
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General Electric
40
415
674701
674701
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General Electric
50
415
674702
674702
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General Electric
63
415
674703
674703
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General Electric
6
415
674705
674705
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General Electric
10
415
674707
674707
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General Electric
16
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674708
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General Electric
20
415
674709
674709
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General Electric
25
415
674710
674710
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General Electric
32
415
674711
674711
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40
415
674712
674712
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General Electric
50
415
674713
674713
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General Electric
63
415
674714
674714
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General Electric
6
415
674716
674716
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General Electric
10
415
674718
674718
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General Electric
16
415
674720
674720
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General Electric
25
415
674721
674721
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General Electric
32
415
674723
674723
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General Electric
50
415
674724
674724
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General Electric
63
415
674725
674725
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General Electric
6
415
674727
674727
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General Electric
10
415
674729
674729
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General Electric
16
415
674730
674730
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General Electric
20
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.