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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
FDA340806
FDA340806
Limited Stock
From
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Square D
80
480
FDA34080SA
FDA34080SA
Limited Stock
From
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Schneider Electric
80
480
FDA340906
FDA340906
Limited Stock
From
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Schneider Electric
90
480
FDA34090SA
FDA34090SA
Limited Stock
From
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Schneider Electric
90
480
FDA341006
FDA341006
Limited Stock
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Square D
100
480
FGA14015
FGA14015
Limited Stock
From
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Square D
15
277
FGA140151
FGA140151
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Square D
15
277
FGA140153
FGA140153
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Square D
15
277
FGA140155
FGA140155
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Square D
15
277
FGA14020
FGA14020
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Square D
20
277
FGA14025
FGA14025
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Square D
25
277
FGA140251
FGA140251
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Square D
25
277
FGA140253
FGA140253
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Schneider Electric
25
277
FGA140255
FGA140255
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Schneider Electric
25
277
FGA14030
FGA14030
Limited Stock
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Square D
30
277
FGA140301
FGA140301
Limited Stock
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Square D
30
277
FGA140303
FGA140303
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Square D
30
277
FGA140305
FGA140305
Limited Stock
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Square D
30
277
FGA14035
FGA14035
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Square D
35
277
FGA140351
FGA140351
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Square D
35
277
FGA140353
FGA140353
Limited Stock
From
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Square D
35
277
FGA140355
FGA140355
Limited Stock
From
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Schneider Electric
35
277
FGA14040
FGA14040
Limited Stock
From
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Schneider Electric
40
277
FGA140401
FGA140401
Limited Stock
From
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Schneider Electric
40
277
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.