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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
FD4040E
FD4040E
In Stock
From
$1,429.04
Eaton
40
600
FD4060L
FD4060L
In Stock
From
$710.43
Eaton
60
600
FD4070L
FD4070L
In Stock
From
$977.88
Eaton
70
600
FD4100E
FD4100E
In Stock
From
$1,033.76
Eaton
100
600
FD4100L
FD4100L
In Stock
From
$2,226.98
Eaton
100
600
FD4125L
FD4125L
In Stock
From
$2,421.84
Eaton
125
600
FD4150L
FD4150L
In Stock
From
$2,427.89
Eaton
150
600
FD4175L
FD4175L
In Stock
From
$2,410.21
Eaton
175
600
FD4225L
FD4225L
In Stock
From
$947.92
Eaton
225
600
FD62B250L
FD62B250L
In Stock
From
$1,223.33
Siemens
250
600
FD63B200
FD63B200
In Stock
From
$1,124.69
Siemens
200
600
FD63B225
FD63B225
In Stock
From
$972.86
Siemens
225
600
FD63B250
FD63B250
In Stock
From
$913.48
Siemens
250
600
FDA140205
FDA140205
Limited Stock
From
Get Price
Square D
20
277
FDA22050
FDA22050
In Stock
From
$146.59
Square D
50
240
FDA24015
FDA24015
In Stock
From
$205.12
Schneider Electric
15
480
FDA34020
FDA34020
Limited Stock
From
Get Price
Square D
20
480
FDA34025
FDA34025
In Stock
From
$403.69
Square D
25
480
FDA34050
FDA34050
In Stock
From
$506.14
Schneider Electric
50
480
FDA34060
FDA34060
In Stock
From
$379.21
Schneider Electric
60
480
FDA34070
FDA34070
In Stock
From
$248.87
Schneider Electric
70
480
FDA34080
FDA34080
In Stock
From
$996.60
Square D
80
480
FDA34100
FDA34100
In Stock
From
$429.40
Square D
100
480
FDB2010
FDB2010
In Stock
From
$250.21
Westinghouse
10
600
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.