1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
FAL3615024M
FAL3615024M
In Stock
From
$1,074.29
Square D
150
600
FAP34030
FAP34030
In Stock
From
$390.16
Square D
30
480
FAP34040-BLACK
FAP34040-BLACK
In Stock
From
$222.56
Square D
40
480
FAP34050
FAP34050
In Stock
From
$109.12
Square D
50
480
FAP34080
FAP34080
In Stock
From
$508.39
Square D
80
480
FAP34100
FAP34100
In Stock
From
$691.69
Square D
100
480
FAP3600311M
FAP3600311M
In Stock
From
$477.57
Square D
3
600
FAP3600712M
FAP3600712M
In Stock
From
$241.33
Square D
7
600
FAP3601513M
FAP3601513M
In Stock
From
$1,075.87
Square D
15
600
FAP36020
FAP36020
In Stock
From
$356.12
Square D
20
600
FAP36030
FAP36030
In Stock
From
$262.91
Square D
30
600
FAP3603015M
FAP3603015M
In Stock
From
$1,020.37
Square D
30
600
FAP36035
FAP36035
In Stock
From
$470.99
Square D
35
600
FAP36050
FAP36050
In Stock
From
$418.99
Square D
50
600
FAP3605016M
FAP3605016M
In Stock
From
$805.71
Square D
50
600
FAP36060
FAP36060
In Stock
From
$397.52
Square D
60
600
FAP36070
FAP36070
In Stock
From
$375.99
Square D
70
600
FAP36080
FAP36080
In Stock
From
$628.64
Square D
80
600
FAP36100TF
FAP36100TF
In Stock
From
$762.32
Square D
100
600
FB2020
FB2020
In Stock
From
$148.20
Westinghouse
20
600
FCL34015
FCL34015
In Stock
From
$329.24
Square D
15
480
FCL34020
FCL34020
In Stock
From
$562.62
Square D
20
480
FCL34060
FCL34060
In Stock
From
$712.97
Square D
60
480
FCL34080
FCL34080
In Stock
From
$1,799.30
Square D
80
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.