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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
FD3100VH08
FD3100VH08
Limited Stock
From
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Westinghouse
100
600
FD3110VH08
FD3110VH08
Limited Stock
From
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Cutler Hammer
110
600
FD3125VH08
FD3125VH08
Limited Stock
From
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Westinghouse
125
600
FD3125VH09
FD3125VH09
Limited Stock
From
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Westinghouse
125
600
FD3150LS
FD3150LS
Limited Stock
From
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Cutler Hammer
150
600
FD3150VH08
FD3150VH08
Limited Stock
From
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Westinghouse
150
600
FD3175VH08
FD3175VH08
Limited Stock
From
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Westinghouse
175
600
FD3175VH09
FD3175VH09
Limited Stock
From
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Cutler Hammer
175
600
FD3200VH08
FD3200VH08
Limited Stock
From
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Eaton
200
600
FD3200VH09
FD3200VH09
Limited Stock
From
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Eaton
200
600
FD3225VH08
FD3225VH08
Limited Stock
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Eaton
225
600
FD3225VH09
FD3225VH09
Limited Stock
From
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Westinghouse
225
600
FG3200S03
FG3200S03
Limited Stock
From
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Westinghouse
200
600
FG3200S04
FG3200S04
Limited Stock
From
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Eaton
200
600
GD3015S4
GD3015S4
Limited Stock
From
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Westinghouse
15
480
GD3020S4
GD3020S4
Limited Stock
From
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Westinghouse
20
480
GD3025S4
GD3025S4
Limited Stock
From
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Westinghouse
25
480
GD3030S4
GD3030S4
Limited Stock
From
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Cutler Hammer
30
480
GD3035S1
GD3035S1
Limited Stock
From
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Westinghouse
35
480
GD3035S4
GD3035S4
Limited Stock
From
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Westinghouse
35
480
GD3040S4
GD3040S4
Limited Stock
From
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Eaton
40
480
GD3045S4
GD3045S4
Limited Stock
From
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Westinghouse
45
480
GD3050S1
GD3050S1
Limited Stock
From
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Westinghouse
50
480
GD3050S4
GD3050S4
Limited Stock
From
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Cutler Hammer
50
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.