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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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NGS312032ZGM
NGS312032ZGM
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Eaton
NGS312033M
NGS312033M
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Eaton
NGS312033MC
NGS312033MC
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Eaton
NGS312035M
NGS312035M
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Eaton
NGS312035MC
NGS312035MC
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Eaton
NGS312036M
NGS312036M
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Eaton
NGS312036MC
NGS312036MC
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Eaton
NGS312036ZGM
NGS312036ZGM
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Eaton
NGS312038M
NGS312038M
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Eaton
NGS312038MC
NGS312038MC
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Eaton
NGS312039M
NGS312039M
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Eaton
NGS312039MC
NGS312039MC
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Eaton
NGS408032E
NGS408032E
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Eaton
NGS408032EC
NGS408032EC
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Eaton
NGS408032M
NGS408032M
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Eaton
NGS408032MC
NGS408032MC
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Eaton
NGS408033E
NGS408033E
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Eaton
NGS408033EC
NGS408033EC
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Eaton
NGS408033M
NGS408033M
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Eaton
NGS408033MC
NGS408033MC
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Eaton
NGS408035E
NGS408035E
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Eaton
NGS408035EC
NGS408035EC
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Eaton
NGS408035M
NGS408035M
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Eaton
NGS408035MC
NGS408035MC
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Eaton
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.