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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
DJN36400E20
DJN36400E20
In Stock
From
$2,799.87
Square D
400
600
EDB34020LH
EDB34020LH
In Stock
From
$482.81
Schneider Electric
20
480
EDB34030LH
EDB34030LH
In Stock
From
$390.22
Schneider Electric
30
480
EGB14030EPDBA
EGB14030EPDBA
In Stock
From
$1,145.34
Schneider Electric
30
277
FA22020AB
FA22020AB
In Stock
From
$123.14
Square D
20
240
FA22020AC
FA22020AC
In Stock
From
$98.51
Square D
20
240
FA22030AB
FA22030AB
In Stock
From
$144.07
Square D
30
240
FA22050AC
FA22050AC
In Stock
From
$498.10
Square D
50
240
FA22060AB
FA22060AB
In Stock
From
$175.64
Square D
60
240
FA22070AC
FA22070AC
In Stock
From
$184.01
Square D
70
240
FA22080AB
FA22080AB
In Stock
From
$339.01
Square D
80
240
FA22080AC
FA22080AC
In Stock
From
$339.01
Square D
80
240
FA22090AC
FA22090AC
In Stock
From
$260.50
Square D
90
240
FA24015AB
FA24015AB
In Stock
From
$194.89
Square D
15
480
FA24015BC
FA24015BC
In Stock
From
$150.37
Square D
15
480
FAP321001021
FAP321001021
In Stock
From
$198.06
Square D
100
240
FDA140201
FDA140201
In Stock
From
$85.34
Schneider Electric
20
277
FDA220401
FDA220401
In Stock
From
$175.42
Schneider Electric
40
240
FDA240301
FDA240301
In Stock
From
$574.02
Square D
30
480
FDA240304
FDA240304
In Stock
From
$196.24
Schneider Electric
30
480
FDA34020
FDA34020
In Stock
From
$198.17
Square D
20
480
FDA34030
FDA34030
In Stock
From
$332.22
Schneider Electric
30
480
FDA34040
FDA34040
In Stock
From
$359.38
Schneider Electric
40
480
FDA34070
FDA34070
In Stock
From
$247.62
Schneider Electric
70
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.