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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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GHS2230001R0607
GHS2230001R0607
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ABB
GHS2620001R0204
GHS2620001R0204
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ABB
GHS2710001R0537
GHS2710001R0537
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ABB
GHS2810001R0607
GHS2810001R0607
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ABB
GHS2820001R0577
GHS2820001R0577
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ABB
GHS2820164R0318
GHS2820164R0318
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ABB
GHS2830001R0337
GHS2830001R0337
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ABB
GHS2830001R0377
GHS2830001R0377
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ABB
GHS2830001R0577
GHS2830001R0577
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ABB
GMB-10U
GMB-10U
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Stopcircuit
GMB632PC8
GMB632PC8
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Carlo Gavazzi
GMCB-2D-5
GMCB-2D-5
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Automation Direct
GMT10D
GMT10D
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Stopcircuit
GMU-50U
GMU-50U
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Stopcircuit
GMU-8U-J
GMU-8U-J
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Stopcircuit
GV2ME10/4-6.3A
GV2ME10/4-6.3A
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Schneider Electric
GV2RT143
GV2RT143
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Schneider Electric
GW90245
GW90245
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Gewiss
GW94366
GW94366
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Gewiss
GW96534
GW96534
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Gewiss
GWF25K
GWF25K
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Eaton
HACR-NE-7397
HACR-NE-7397
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Schneider Electric
HB20
HB20
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Wylex
HB320
HB320
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Wylex
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.