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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
DGN36600E20
DGN36600E20
In Stock
From
$295.45
Schneider Electric
600
600
DGP36600E20
DGP36600E20
In Stock
From
$2,248.88
Schneider Electric
600
600
DJA34150E20
DJA34150E20
In Stock
From
$2,024.48
Square D
150
480
DJA34150E53
DJA34150E53
In Stock
From
$741.39
Square D
150
480
DJA34250E20
DJA34250E20
In Stock
From
$924.04
Schneider Electric
250
480
DJA34250E53
DJA34250E53
In Stock
From
$2,839.45
Square D
250
480
DJD36400E53
DJD36400E53
In Stock
From
$3,482.34
Square D
400
600
DJD36400E53HJ00
DJD36400E53HJ00
In Stock
From
$3,482.34
Square D
400
600
DJL36000S40
DJL36000S40
In Stock
From
$6,805.76
Square D
400
600
DJL36150E53
DJL36150E53
In Stock
From
$324.35
Square D
150
600
DJL36250E53
DJL36250E53
In Stock
From
$1,216.93
Schneider Electric
250
600
DJN36400E20
DJN36400E20
In Stock
From
$2,021.27
Square D
400
600
DJP36250E53
DJP36250E53
In Stock
From
$2,263.21
Square D
250
600
DLA34150E53
DLA34150E53
In Stock
From
$888.89
Square D
150
480
DLA34250E53
DLA34250E53
In Stock
From
$888.89
Schneider Electric
250
480
DLL36600E20
DLL36600E20
In Stock
From
$10,733.86
Square D
600
600
FA14020A
FA14020A
In Stock
From
$122.99
Square D
20
480
FA14020B
FA14020B
In Stock
From
$73.63
Square D
20
480
FA14020C
FA14020C
In Stock
From
$147.66
Square D
20
277
FA14025A
FA14025A
In Stock
From
$103.92
Square D
25
277
FA14025B
FA14025B
In Stock
From
$95.26
Square D
25
277
FA14025C
FA14025C
In Stock
From
$63.85
Square D
25
277
FA14040A
FA14040A
In Stock
From
$254.90
Square D
40
277
FA14040B
FA14040B
In Stock
From
$243.92
Square D
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.