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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
FD63B090L
FD63B090L
In Stock
From
$1,142.74
Siemens
90
600
FD63B100
FD63B100
In Stock
From
$4,921.97
Siemens
100
600
FD63B100L
FD63B100L
In Stock
From
$495.32
Siemens
100
600
FD63B110
FD63B110
In Stock
From
$802.25
Siemens
110
600
FD63B125
FD63B125
In Stock
From
$804.54
Siemens
125
600
FD63B125L
FD63B125L
In Stock
From
$689.60
Siemens
125
600
FD63B150L
FD63B150L
In Stock
From
$353.52
Siemens
150
600
FD63B200L
FD63B200L
In Stock
From
$854.41
Siemens
200
600
FD63B225L
FD63B225L
In Stock
From
$581.11
Siemens
225
600
FD63B250L
FD63B250L
In Stock
From
$708.43
Siemens
250
600
FD63S250
FD63S250
In Stock
From
$708.43
Siemens
250
600
FD63S250L
FD63S250L
In Stock
From
$708.43
Siemens
250
600
FDA120201
FDA120201
In Stock
From
$67.28
Square D
20
240
FDA120301
FDA120301
Limited Stock
From
Get Price
Schneider Electric
30
240
FDA120303
FDA120303
Limited Stock
From
Get Price
Schneider Electric
30
240
FDA120305
FDA120305
Limited Stock
From
Get Price
Schneider Electric
30
240
FDA140151
FDA140151
In Stock
From
$347.38
Square D
15
277
FDA140201
FDA140201
In Stock
From
$105.27
Schneider Electric
20
277
FDA140203
FDA140203
In Stock
From
$39.34
Square D
20
277
FDA140401
FDA140401
In Stock
From
$158.72
Square D
40
277
FDA22015
FDA22015
In Stock
From
$270.29
Schneider Electric
15
240
FDA220151
FDA220151
In Stock
From
$321.41
Square D
15
240
FDA220152
FDA220152
In Stock
From
$337.00
Schneider Electric
15
240
FDA220153
FDA220153
In Stock
From
$265.97
Square D
15
240
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.