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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
BDA240305
BDA240305
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Square D
30
480
BDA240306
BDA240306
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Schneider Electric
30
480
BDA240351
BDA240351
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Square D
35
480
BDA240352
BDA240352
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Square D
35
480
BDA240353
BDA240353
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Square D
35
480
BDA240354
BDA240354
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Schneider Electric
35
480
BDA240355
BDA240355
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Square D
35
480
BDA240356
BDA240356
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Square D
35
480
BDA240401
BDA240401
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Square D
40
480
BDA240402
BDA240402
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Schneider Electric
40
480
BDA240403
BDA240403
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Schneider Electric
40
480
BDA240404
BDA240404
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Square D
40
480
BDA240405
BDA240405
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Square D
40
480
BDA240406
BDA240406
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Schneider Electric
40
480
BDA240451
BDA240451
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Square D
45
480
BDA240452
BDA240452
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Schneider Electric
45
480
BDA240453
BDA240453
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Square D
45
480
BDA240454
BDA240454
Limited Stock
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Square D
45
480
BDA240455
BDA240455
Limited Stock
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Schneider Electric
45
480
BDA240456
BDA240456
Limited Stock
From
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Schneider Electric
45
480
BDA240501
BDA240501
Limited Stock
From
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Square D
50
480
BDA240502
BDA240502
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Schneider Electric
50
480
BDA240503
BDA240503
Limited Stock
From
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Square D
50
480
BDA240504
BDA240504
Limited Stock
From
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Square D
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.