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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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Manufacturer
FDB2070LA06
FDB2070LA06
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Eaton
FDB3100LA06U14
FDB3100LA06U14
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Eaton
FDC3225P
FDC3225P
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Eaton
FG32R/15-30MA
FG32R/15-30MA
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Fuji Electric
FI22.03
FI22.03
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Altech Corp
FILS-B6-0.03
FILS-B6-0.03
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Eaton
FIM-2-40-0.03
FIM-2-40-0.03
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Eaton
FIP-4-40-0.3
FIP-4-40-0.3
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Eaton
FL7-10/1N/C/003
FL7-10/1N/C/003
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F&G
FLS25/2
FLS25/2
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F&G
FPAUL-440/030
FPAUL-440/030
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General Electric
FSB63225
FSB63225
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ABB
FT36030
FT36030
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Schneider Electric
G3P-020
G3P-020
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Automation Direct
G3P-100
G3P-100
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Automation Direct
GA2-H23
GA2-H23
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Schneider Electric
GA2-H32
GA2-H32
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Schneider Electric
GB3-B3
GB3-B3
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Eaton
GBU-203-100A
GBU-203-100A
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Generac
GCB100S-2FF40LL
GCB100S-2FF40LL
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Automation Direct
GCB100S-3FF40LL
GCB100S-3FF40LL
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Automation Direct
GFR2C30030
GFR2C30030
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Altech Corp
GH3-Z13-6W
GH3-Z13-6W
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Eaton
GHS2230001R0337
GHS2230001R0337
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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.