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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.
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Voltage
FDA240253
FDA240253
In Stock
From
$213.54
Schneider Electric
25
480
FDA240254
FDA240254
In Stock
From
$411.41
Square D
25
480
FDA240255
FDA240255
In Stock
From
$213.54
Schneider Electric
25
480
FDA240256
FDA240256
In Stock
From
$411.41
Square D
25
480
FDA24030
FDA24030
In Stock
From
$313.48
Square D
30
480
FDA240301
FDA240301
In Stock
From
$574.02
Square D
30
480
FDA240302
FDA240302
In Stock
From
$130.55
Square D
30
480
FDA240303
FDA240303
In Stock
From
$313.48
Square D
30
480
FDA240304
FDA240304
In Stock
From
$196.33
Schneider Electric
30
480
FDA240305
FDA240305
In Stock
From
$194.86
Schneider Electric
30
480
FDA240306
FDA240306
In Stock
From
$313.48
Square D
30
480
FDA24035
FDA24035
In Stock
From
$188.68
Square D
35
480
FDA240351
FDA240351
In Stock
From
$287.82
Schneider Electric
35
480
FDA240352
FDA240352
In Stock
From
$287.82
Schneider Electric
35
480
FDA240353
FDA240353
In Stock
From
$287.82
Schneider Electric
35
480
FDA240354
FDA240354
In Stock
From
$194.80
Square D
35
480
FDA240355
FDA240355
In Stock
From
$287.82
Schneider Electric
35
480
FDA240356
FDA240356
In Stock
From
$287.82
Schneider Electric
35
480
FDA24040
FDA24040
In Stock
From
$235.37
Square D
40
480
FDA240401
FDA240401
In Stock
From
$194.13
Schneider Electric
40
480
FDA240402
FDA240402
In Stock
From
$242.21
Square D
40
480
FDA240403
FDA240403
In Stock
From
$260.85
Square D
40
480
FDA240404
FDA240404
In Stock
From
$317.81
Square D
40
480
FDA240405
FDA240405
In Stock
From
$180.70
Schneider Electric
40
480
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.