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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
FB2100SL
FB2100SL
In Stock
From
$391.81
Cutler Hammer
100
600
FB3010S
FB3010S
In Stock
From
$285.50
Cutler Hammer
10
600
FB3020SL
FB3020SL
In Stock
From
$283.60
Westinghouse
20
600
FB3025S
FB3025S
In Stock
From
$146.82
Cutler Hammer
25
600
FB3030SL
FB3030SL
In Stock
From
$364.88
Westinghouse
30
600
FB3035S
FB3035S
In Stock
From
$394.15
Westinghouse
35
600
FB3040SL
FB3040SL
In Stock
From
Get Price
Cutler Hammer
40
600
FB3045S
FB3045S
In Stock
From
$418.69
Westinghouse
45
600
FB3050SL
FB3050SL
In Stock
From
$322.98
Cutler Hammer
50
600
FB3060SL
FB3060SL
In Stock
From
Get Price
Westinghouse
60
600
FB3070SL
FB3070SL
In Stock
From
$404.96
Westinghouse
70
600
FB3080S
FB3080S
In Stock
From
$459.49
Westinghouse
80
600
FB3080SL
FB3080SL
In Stock
From
$459.49
Westinghouse
80
600
FB3090SL
FB3090SL
In Stock
From
$540.04
Westinghouse
90
600
FB3100SL
FB3100SL
In Stock
From
$494.10
Westinghouse
100
600
FB3125S
FB3125S
In Stock
From
$910.69
Westinghouse
125
600
FD1100BP10
FD1100BP10
In Stock
From
$255.04
Eaton
100
277
FD1110BP10
FD1110BP10
In Stock
From
$196.78
Eaton
110
277
FD1125BP10
FD1125BP10
In Stock
From
$1,406.98
Eaton
125
277
FD1150BP10
FD1150BP10
In Stock
From
$480.05
Eaton
150
277
FD2015BP10
FD2015BP10
In Stock
From
$384.44
Eaton
15
600
FD2020BP10
FD2020BP10
In Stock
From
$340.56
Eaton
20
600
FD2025BP10
FD2025BP10
In Stock
From
$299.90
Eaton
25
600
FD2030BP10
FD2030BP10
In Stock
From
$326.69
Eaton
30
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.