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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
FDB3010
FDB3010
In Stock
From
$570.10
Eaton
10
600
FDB3010L
FDB3010L
In Stock
From
$431.42
Eaton
10
600
FDB3015
FDB3015
In Stock
From
$366.87
Eaton
15
600
FDB3015V
FDB3015V
In Stock
From
$312.65
Eaton
15
600
FDB3020L
FDB3020L
In Stock
From
$312.89
Eaton
20
600
FDB3025L
FDB3025L
In Stock
From
$544.96
Eaton
25
600
FDB3030
FDB3030
In Stock
From
$479.58
Eaton
30
600
FDB3030L
FDB3030L
In Stock
From
$619.52
Eaton
30
600
FDB3030S
FDB3030S
In Stock
From
$250.26
Eaton
30
600
FDB3035
FDB3035
In Stock
From
$528.26
Westinghouse
35
600
FDB3035L
FDB3035L
In Stock
From
$328.51
Eaton
35
600
FDB3040
FDB3040
In Stock
From
$448.25
Eaton
40
600
FDB3040A02
FDB3040A02
In Stock
From
$848.46
Westinghouse
40
600
FDB3040L
FDB3040L
In Stock
From
$760.69
Eaton
40
600
FDB3045
FDB3045
In Stock
From
$185.42
Westinghouse
45
600
FDB3045L
FDB3045L
In Stock
From
$370.62
Eaton
45
600
FDB3050
FDB3050
In Stock
From
$290.58
Eaton
50
600
FDB3050L
FDB3050L
In Stock
From
$315.18
Eaton
50
600
FDB3050V
FDB3050V
In Stock
From
$200.00
Westinghouse
50
600
FDB3060
FDB3060
In Stock
From
$499.75
Eaton
60
600
FDB3060L
FDB3060L
In Stock
From
$564.17
Eaton
60
600
FDB3070L
FDB3070L
In Stock
From
$993.84
Eaton
70
600
FDB3080
FDB3080
In Stock
From
$381.22
Westinghouse
80
600
FDB3080L
FDB3080L
In Stock
From
$456.24
Eaton
80
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.