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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
FAP36040TF
FAP36040TF
In Stock
From
$390.26
Square D
40
600
FAP36045
FAP36045
In Stock
From
$558.44
Square D
45
600
FAP36045TF
FAP36045TF
In Stock
From
$558.44
Square D
45
600
FAP36045V
FAP36045V
In Stock
From
$202.95
Square D
45
600
FAP36050TF
FAP36050TF
In Stock
From
$135.17
Square D
50
600
FAP36050V
FAP36050V
In Stock
From
$690.61
Square D
50
600
FAP36060V
FAP36060V
In Stock
From
$455.18
Square D
60
600
FAP36070TF
FAP36070TF
In Stock
From
$625.79
Square D
70
600
FAP36070V
FAP36070V
In Stock
From
$248.38
Square D
70
600
FAP36080TF
FAP36080TF
In Stock
From
$794.48
Square D
80
600
FAP36080V
FAP36080V
In Stock
From
$794.48
Square D
80
600
FAP36090
FAP36090
In Stock
From
$183.56
Square D
90
600
FAP36090TF
FAP36090TF
In Stock
From
$674.96
Square D
90
600
FAP36090V
FAP36090V
In Stock
From
$674.96
Square D
90
600
FAP36100
FAP36100
In Stock
From
$536.32
Square D
100
600
FAP36100V
FAP36100V
In Stock
From
$867.62
Square D
100
600
FCL340201021
FCL340201021
In Stock
From
$772.20
Square D
20
480
FCL34025
FCL34025
In Stock
From
$853.87
Square D
25
480
FCL34035
FCL34035
In Stock
From
$654.24
Square D
35
480
FCL34040
FCL34040
In Stock
From
$1,507.65
Square D
40
480
FCL34045
FCL34045
In Stock
From
$725.56
Square D
45
480
FCL34050
FCL34050
In Stock
From
$709.52
Square D
50
480
FCL340601021
FCL340601021
In Stock
From
$441.04
Square D
60
480
FCL34070
FCL34070
In Stock
From
$1,341.60
Square D
70
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.