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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
FGA140403
FGA140403
Limited Stock
From
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Square D
40
277
FGA140405
FGA140405
Limited Stock
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Schneider Electric
40
277
FGA14045
FGA14045
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From
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Schneider Electric
45
277
FGA140451
FGA140451
Limited Stock
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Square D
45
277
FGA140453
FGA140453
Limited Stock
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Square D
45
277
FGA140455
FGA140455
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From
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Square D
45
277
FGA14050
FGA14050
Limited Stock
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Square D
50
277
FGA140501
FGA140501
Limited Stock
From
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Square D
50
277
FGA140503
FGA140503
Limited Stock
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Square D
50
277
FGA140505
FGA140505
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Square D
50
277
FGA14060
FGA14060
Limited Stock
From
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Square D
60
277
FGA140601
FGA140601
Limited Stock
From
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Schneider Electric
60
277
FGA140603
FGA140603
Limited Stock
From
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Schneider Electric
60
277
FGA140605
FGA140605
Limited Stock
From
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Schneider Electric
60
277
FGA14070
FGA14070
Limited Stock
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Square D
70
277
FGA140701
FGA140701
Limited Stock
From
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Square D
70
277
FGA140703
FGA140703
Limited Stock
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Square D
70
277
FGA140705
FGA140705
Limited Stock
From
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Square D
70
277
FGA24015
FGA24015
Limited Stock
From
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Schneider Electric
15
480
FGA240151
FGA240151
Limited Stock
From
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Schneider Electric
15
480
FGA240152
FGA240152
Limited Stock
From
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Square D
15
480
FGA240153
FGA240153
Limited Stock
From
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Square D
15
480
FGA240154
FGA240154
Limited Stock
From
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Schneider Electric
15
480
FGA240155
FGA240155
Limited Stock
From
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Square D
15
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.