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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
GHB3050S4
GHB3050S4
Limited Stock
From
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Eaton
50
480
GHB3050V
GHB3050V
Limited Stock
From
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Eaton
50
480
GHB3060S2
GHB3060S2
Limited Stock
From
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Eaton
60
480
GHB3060V
GHB3060V
Limited Stock
From
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Eaton
60
480
GHB3070I
GHB3070I
Limited Stock
From
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Eaton
70
480
GHB3070S2
GHB3070S2
Limited Stock
From
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Eaton
70
480
GHB3070S4
GHB3070S4
Limited Stock
From
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Eaton
70
480
GHB3070V
GHB3070V
Limited Stock
From
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Eaton
70
480
GHB3080I
GHB3080I
Limited Stock
From
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Eaton
80
480
GHB3080V
GHB3080V
Limited Stock
From
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Eaton
80
480
GHB3090V
GHB3090V
Limited Stock
From
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Eaton
90
480
GHB3100I
GHB3100I
Limited Stock
From
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Eaton
100
480
GHB3100S2
GHB3100S2
Limited Stock
From
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Eaton
100
480
GHB3100S3
GHB3100S3
Limited Stock
From
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Eaton
100
480
GHB3100S4
GHB3100S4
Limited Stock
From
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Eaton
100
480
GHB3100V
GHB3100V
Limited Stock
From
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Eaton
100
480
GHC1015HID
GHC1015HID
Limited Stock
From
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Westinghouse
15
277
GHC1020HID
GHC1020HID
Limited Stock
From
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Westinghouse
20
277
GHC1045
GHC1045
Limited Stock
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Westinghouse
45
277
GHC1045D
GHC1045D
Limited Stock
From
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Westinghouse
45
277
GHC1050D
GHC1050D
Limited Stock
From
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Eaton
50
277
GHC1080
GHC1080
Limited Stock
From
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Westinghouse
80
277
GHC1090
GHC1090
Limited Stock
From
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Eaton
90
277
GHC2030D
GHC2030D
Limited Stock
From
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Eaton
30
480
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.