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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
FI26070BC
FI26070BC
In Stock
From
$302.50
Square D
70
600
FI26100AB
FI26100AB
In Stock
From
$1,625.40
Square D
100
600
FI26100AC
FI26100AC
In Stock
From
$1,625.40
Square D
100
600
FI26100BC
FI26100BC
In Stock
From
$1,625.40
Square D
100
600
FI36020
FI36020
In Stock
From
$498.62
Square D
20
600
FI360201021
FI360201021
In Stock
From
$517.97
Square D
20
600
FI36020CBA
FI36020CBA
In Stock
From
$854.27
Square D
20
600
FI36025
FI36025
In Stock
From
$1,126.08
Square D
25
600
FI36030
FI36030
In Stock
From
$698.08
Square D
30
600
FI360301021
FI360301021
In Stock
From
$953.38
Square D
30
600
FI36030CBA
FI36030CBA
In Stock
From
$953.38
Square D
30
600
FI36035
FI36035
In Stock
From
$646.63
Square D
35
600
FI36040
FI36040
In Stock
From
$724.73
Square D
40
600
FI360401021
FI360401021
In Stock
From
$869.68
Square D
40
600
FI36040CBA
FI36040CBA
In Stock
From
$869.68
Square D
40
600
FI36045
FI36045
In Stock
From
$1,201.58
Square D
45
600
FI360451021
FI360451021
In Stock
From
$911.52
Square D
45
600
FI36050
FI36050
In Stock
From
$854.96
Square D
50
600
FI360501021
FI360501021
In Stock
From
$958.69
Square D
50
600
FI36060
FI36060
In Stock
From
$424.26
Square D
60
600
FI360601021
FI360601021
In Stock
From
$1,330.98
Square D
60
600
FI36060G
FI36060G
In Stock
From
$3,037.37
Square D
60
600
FI360701021
FI360701021
In Stock
From
$1,087.01
Square D
70
600
FI36070CBA
FI36070CBA
In Stock
From
$1,087.01
Square D
70
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.