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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
FWF4175L
FWF4175L
Limited Stock
From
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Westinghouse
175
690
FWF4200L
FWF4200L
Limited Stock
From
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Westinghouse
200
690
FWF4225KL
FWF4225KL
Limited Stock
From
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Eaton
225
690
FWF4225L
FWF4225L
Limited Stock
From
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Westinghouse
225
690
GB1015
GB1015
Limited Stock
From
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Eaton
15
120
GB1035
GB1035
Limited Stock
From
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Westinghouse
35
120
GB1040
GB1040
Limited Stock
From
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Cutler Hammer
40
120
GB1050
GB1050
Limited Stock
From
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Westinghouse
50
120
GB1100
GB1100
Limited Stock
From
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Westinghouse
100
120
GDB2020D
GDB2020D
Limited Stock
From
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Westinghouse
20
480
GDB2025
GDB2025
Limited Stock
From
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Eaton
25
480
GDB2025V
GDB2025V
Limited Stock
From
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Westinghouse
15
480
GDB2030V
GDB2030V
Limited Stock
From
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Westinghouse
30
480
GDB2035D
GDB2035D
Limited Stock
From
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Westinghouse
35
480
GDB2035V
GDB2035V
Limited Stock
From
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Eaton
35
480
GDB2040V
GDB2040V
Limited Stock
From
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Eaton
40
480
GDB2045
GDB2045
Limited Stock
From
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Cutler Hammer
45
480
GDB2045V
GDB2045V
Limited Stock
From
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Westinghouse
45
480
GDB2050V
GDB2050V
Limited Stock
From
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Cutler Hammer
50
480
GDB3020V
GDB3020V
Limited Stock
From
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Westinghouse
20
480
GDB3025V
GDB3025V
Limited Stock
From
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Westinghouse
25
480
GDB3030V
GDB3030V
Limited Stock
From
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Westinghouse
30
480
GDB3035V
GDB3035V
Limited Stock
From
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Westinghouse
35
480
GDB3040D
GDB3040D
Limited Stock
From
Get Price
Eaton
40
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.