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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
FC34080
FC34080
In Stock
From
$440.13
Square D
80
480
FC34090
FC34090
In Stock
From
$1,643.46
Square D
90
480
FC34100
FC34100
In Stock
From
$608.10
Square D
100
480
FC341001021
FC341001021
In Stock
From
$821.47
Square D
100
480
FC34100G
FC34100G
In Stock
From
$603.21
Square D
100
480
FCJ34020
FCJ34020
In Stock
From
$59.29
Square D
20
480
FCJ34030
FCJ34030
In Stock
From
$360.31
Square D
30
480
FCL34030
FCL34030
In Stock
From
$1,544.05
Square D
30
480
FCN36TE080R
FCN36TE080R
In Stock
From
$458.54
General Electric
80
600
FD1010L
FD1010L
In Stock
From
$181.50
Eaton
10
277
FD1015
FD1015
In Stock
From
$94.28
Eaton
15
277
FD1015L
FD1015L
In Stock
From
$265.07
Eaton
15
277
FD1020BP10
FD1020BP10
In Stock
From
$170.10
Eaton
20
277
FD1020L
FD1020L
In Stock
From
$306.04
Eaton
20
277
FD1020V
FD1020V
In Stock
From
$351.12
Eaton
20
277
FD1030
FD1030
In Stock
From
$248.17
Eaton
30
277
FD1030BP10
FD1030BP10
In Stock
From
$147.20
Eaton
30
277
FD1035
FD1035
In Stock
From
$542.61
Eaton
35
277
FD1035L
FD1035L
In Stock
From
$256.67
Eaton
35
277
FD1040L
FD1040L
In Stock
From
$137.91
Eaton
40
277
FD1045L
FD1045L
In Stock
From
$161.53
Eaton
45
277
FD1050L
FD1050L
In Stock
From
$180.32
Eaton
50
277
FD1060L
FD1060L
In Stock
From
$357.54
Eaton
60
277
FD1070
FD1070
In Stock
From
$129.77
Eaton
70
277
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.