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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
EHD3050Y
EHD3050Y
In Stock
From
$484.76
Eaton
50
480
EHD3060BP10
EHD3060BP10
In Stock
From
$388.93
Eaton
60
480
EHD3060V
EHD3060V
In Stock
From
$684.79
Eaton
60
480
EHD3090BP10
EHD3090BP10
In Stock
From
$410.78
Eaton
90
480
EHD3090L
EHD3090L
In Stock
From
$689.12
Eaton
90
480
EHD3100K
EHD3100K
In Stock
From
$419.25
Eaton
100
480
EHD3100VL
EHD3100VL
In Stock
From
$376.20
Cutler Hammer
100
480
EHD3100Y
EHD3100Y
In Stock
From
$366.14
Eaton
100
480
FB2020
FB2020
In Stock
From
$125.97
Westinghouse
20
600
FD1025
FD1025
In Stock
From
$275.71
Eaton
25
277
FD1050
FD1050
In Stock
From
$162.04
Eaton
50
277
FD2060L
FD2060L
In Stock
From
$361.28
Eaton
60
600
FD3015BP10
FD3015BP10
In Stock
From
$462.36
Eaton
15
600
FD3015LA02
FD3015LA02
In Stock
From
$439.35
Eaton
15
600
FD3015V
FD3015V
In Stock
From
$1,581.66
Eaton
15
600
FD3020V
FD3020V
In Stock
From
$664.10
Eaton
20
600
FD3025V
FD3025V
In Stock
From
$206.39
Westinghouse
25
600
FD3030BP10
FD3030BP10
In Stock
From
$578.17
Eaton
30
600
FD3035VL
FD3035VL
In Stock
From
$260.28
Eaton
35
600
FD3050VL
FD3050VL
In Stock
From
$1,589.74
Eaton
50
600
FD3060BP10
FD3060BP10
In Stock
From
$574.84
Eaton
60
600
FD3070BP10
FD3070BP10
In Stock
From
$436.80
Eaton
70
600
FD3070V
FD3070V
In Stock
From
$1,776.59
Eaton
70
600
FD3100K
FD3100K
In Stock
From
$884.17
Cutler Hammer
100
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.