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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
PRICE
Manufacturer
Amperage
Voltage
GDB3040V
GDB3040V
Limited Stock
From
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Cutler Hammer
40
480
GDB3045D
GDB3045D
Limited Stock
From
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Eaton
45
480
GDB3045V
GDB3045V
Limited Stock
From
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Westinghouse
45
480
GDB3050
GDB3050
Limited Stock
From
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Eaton
50
480
GDB3050V
GDB3050V
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Westinghouse
50
480
GDB3060D
GDB3060D
Limited Stock
From
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Eaton
60
480
GDB3060V
GDB3060V
Limited Stock
From
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Westinghouse
60
480
GDB3070V
GDB3070V
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Westinghouse
70
480
GDB3080D
GDB3080D
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Westinghouse
80
480
GDB3080V
GDB3080V
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Cutler Hammer
80
480
GDB3090V
GDB3090V
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Cutler Hammer
90
480
GDB3100
GDB3100
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Westinghouse
100
480
GDB3100V
GDB3100V
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Westinghouse
100
480
GHB3020CV
GHB3020CV
Limited Stock
From
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Eaton
20
277
GHB3045BP8
GHB3045BP8
Limited Stock
From
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Eaton
45
480
GHBGFEP1060
GHBGFEP1060
Limited Stock
From
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Eaton
60
277
GHCGFEP1040
GHCGFEP1040
Limited Stock
From
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Westinghouse
40
277
GHCGFEP1050
GHCGFEP1050
Limited Stock
From
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Westinghouse
50
277
GHCGFEP1060
GHCGFEP1060
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From
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Cutler Hammer
60
277
GWF1016
GWF1016
Limited Stock
From
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Westinghouse
16
240
GWF1020
GWF1020
Limited Stock
From
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Cutler Hammer
20
240
GWF1025
GWF1025
Limited Stock
From
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Westinghouse
25
240
GWF1032
GWF1032
Limited Stock
From
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Westinghouse
32
240
GWF1040
GWF1040
Limited Stock
From
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Westinghouse
40
240
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.