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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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GHS2810001R0337
GHS2810001R0337
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ABB
GHS2810001R0338
GHS2810001R0338
In Stock
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$19.14
ABB
GHS2810001R0558
GHS2810001R0558
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ABB
GHS2810103R0377
GHS2810103R0377
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ABB
GHS2810164R0064
GHS2810164R0064
In Stock
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$32.32
ABB
GHS2810164R0277
GHS2810164R0277
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ABB
GHS2820001R0087
GHS2820001R0087
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ABB
GHS2820001R0377
GHS2820001R0377
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$73.30
ABB
GHS2820001R0405
GHS2820001R0405
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ABB
GHS2820001R0427
GHS2820001R0427
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ABB
GHS2820001R0537
GHS2820001R0537
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ABB
GHS2820164R0064
GHS2820164R0064
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ABB
GHS2820164R0065
GHS2820164R0065
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ABB
GHS2820164R0157
GHS2820164R0157
In Stock
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$96.72
ABB
GHS2820164R0164
GHS2820164R0164
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ABB
GHS2820164R0428
GHS2820164R0428
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ABB
GHS2820164R0504
GHS2820164R0504
In Stock
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$74.53
ABB
GHS2830001R0467
GHS2830001R0467
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ABB
GHS2830001R0487
GHS2830001R0487
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ABB
GHS2931001R0824
GHS2931001R0824
In Stock
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$352.07
ABB
GHS4111001R0377
GHS4111001R0377
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ABB
GHS4111001R0427
GHS4111001R0427
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ABB
GHS4111103R0164
GHS4111103R0164
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ABB
GHS4121001R0324
GHS4121001R0324
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ABB
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.