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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
FD1040
FD1040
In Stock
From
$202.63
Eaton
40
277
FD1045
FD1045
In Stock
From
$219.65
Eaton
45
277
FD1060
FD1060
In Stock
From
$127.43
Eaton
60
277
FD3015VL
FD3015VL
In Stock
From
$439.73
Eaton
15
600
FD3020BP10
FD3020BP10
In Stock
From
$485.58
Eaton
20
600
FD3030V
FD3030V
In Stock
From
$718.47
Eaton
30
600
FD3070VL
FD3070VL
In Stock
From
$806.34
Westinghouse
70
600
FD3100BP10
FD3100BP10
In Stock
From
$1,407.02
Eaton
100
600
FD3100V
FD3100V
In Stock
From
$308.88
Eaton
100
600
FD3125BP10
FD3125BP10
In Stock
From
$1,200.73
Eaton
125
600
FD3125V
FD3125V
In Stock
From
$2,656.30
Eaton
125
600
FD3150K
FD3150K
In Stock
From
$857.93
Eaton
150
600
FD3150KW
FD3150KW
In Stock
From
$651.00
Westinghouse
150
600
FD3175BP10
FD3175BP10
In Stock
From
$1,204.93
Eaton
175
600
FDC3030L
FDC3030L
In Stock
From
$609.69
Eaton
30
600
FDC3125V
FDC3125V
In Stock
From
$1,144.59
Westinghouse
125
600
FDC3150L
FDC3150L
In Stock
From
$6,870.62
Eaton
150
600
FDC3175L
FDC3175L
In Stock
From
$1,384.64
Eaton
175
600
FDC3200L
FDC3200L
In Stock
From
$4,155.42
Eaton
200
600
FDC3225L
FDC3225L
In Stock
From
$1,800.24
Eaton
225
600
FG3125
FG3125
In Stock
From
$1,994.30
Eaton
125
600
FG3150
FG3150
In Stock
From
$1,751.08
Eaton
150
600
GD3015
GD3015
In Stock
From
$353.35
Eaton
15
480
GD3025S1
GD3025S1
In Stock
From
$1,454.19
Eaton
25
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.