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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
FA24090AB
FA24090AB
In Stock
From
$411.32
Square D
90
480
FA24090BC
FA24090BC
In Stock
From
$154.06
Square D
90
480
FA24100AB
FA24100AB
In Stock
From
$296.77
Square D
100
480
FA24100BC
FA24100BC
In Stock
From
$356.12
Square D
100
480
FA26015BC
FA26015BC
In Stock
From
$218.27
Square D
15
600
FA26020AB
FA26020AB
In Stock
From
$180.41
Square D
20
600
FA26020AB1021
FA26020AB1021
Limited Stock
From
Get Price
Square D
20
600
FA26020AC
FA26020AC
In Stock
From
$180.41
Square D
20
600
FA26020AC1021
FA26020AC1021
In Stock
From
$217.09
Square D
20
600
FA26020AC1202
FA26020AC1202
In Stock
From
$227.08
Square D
20
600
FA26020BC
FA26020BC
In Stock
From
$302.13
Square D
20
600
FA26025AB
FA26025AB
In Stock
From
$337.38
Square D
25
600
FA26025AC
FA26025AC
In Stock
From
$608.28
Square D
25
600
FA26025BC
FA26025BC
In Stock
From
$608.28
Square D
25
600
FA26030AB
FA26030AB
In Stock
From
$212.96
Square D
30
600
FA26030BC
FA26030BC
In Stock
From
$212.68
Square D
30
600
FA26035AB
FA26035AB
In Stock
From
$396.73
Square D
35
600
FA26035AC
FA26035AC
In Stock
From
$231.43
Square D
35
600
FA26035BC
FA26035BC
In Stock
From
$396.73
Square D
35
600
FA26040
FA26040
In Stock
From
$397.97
Square D
40
600
FA26040AB
FA26040AB
In Stock
From
$279.99
Square D
40
600
FA26040AB1021
FA26040AB1021
In Stock
From
$180.45
Square D
40
600
FA26040AC
FA26040AC
In Stock
From
$331.64
Square D
40
600
FA26040AC1021
FA26040AC1021
In Stock
From
$180.45
Square D
40
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.