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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
FAL261001028
FAL261001028
In Stock
From
$260.06
Square D
100
600
FAL34070G1021
FAL34070G1021
In Stock
From
$176.39
Square D
70
480
FCB34100
FCB34100
In Stock
From
$211.84
Square D
100
480
FCJ340501352
FCJ340501352
In Stock
From
$532.51
Square D
50
480
FCJ340801352
FCJ340801352
In Stock
From
$590.67
Square D
80
480
FCJ341001352
FCJ341001352
In Stock
From
$611.94
Square D
100
480
FDA240501
FDA240501
In Stock
From
$227.11
Square D
50
480
FDA240502
FDA240502
In Stock
From
$272.53
Square D
50
480
FDA240504
FDA240504
In Stock
From
$108.62
Schneider Electric
50
480
FDA240601
FDA240601
In Stock
From
$153.53
Schneider Electric
60
480
FDA240602
FDA240602
In Stock
From
$153.53
Schneider Electric
60
480
FDA240604
FDA240604
In Stock
From
$150.58
Square D
60
480
FDA240701
FDA240701
In Stock
From
$263.34
Schneider Electric
70
480
FDA240902
FDA240902
In Stock
From
$401.60
Schneider Electric
90
480
FDA241004
FDA241004
In Stock
From
$126.49
Schneider Electric
100
480
FY12020A
FY12020A
In Stock
From
$55.33
Square D
20
120
GB2-CB09
GB2-CB09
In Stock
From
$61.60
Schneider Electric
4
277
GB2-CD21
GB2-CD21
Limited Stock
From
Get Price
Schneider Electric
16
277
GB2CB06
GB2CB06
In Stock
From
$20.39
Schneider Electric
1
277
GB2CB08
GB2CB08
In Stock
From
$31.40
Schneider Electric
3
277
GB2CB12
GB2CB12
In Stock
From
$62.42
Schneider Electric
6
277
GB2CB14
GB2CB14
In Stock
From
$31.77
Schneider Electric
8
277
GB2CB22
GB2CB22
In Stock
From
$7.45
Schneider Electric
20
277
GB2CD06
GB2CD06
In Stock
From
$39.39
Schneider Electric
1
277
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.