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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
FAL340501121
FAL340501121
In Stock
From
$270.47
Square D
50
480
FAL340501212
FAL340501212
In Stock
From
$405.27
Square D
50
480
FAL34050G
FAL34050G
In Stock
From
$508.81
Square D
50
480
FAL340601027
FAL340601027
In Stock
From
$574.56
Square D
60
480
FAL340601121
FAL340601121
In Stock
From
$698.94
Square D
60
480
FAL340601380
FAL340601380
In Stock
From
$698.94
Square D
60
480
FAL340602200
FAL340602200
In Stock
From
$698.94
Square D
60
480
FAL340608022
FAL340608022
Limited Stock
From
Get Price
Square D
60
480
FAL34060G
FAL34060G
In Stock
From
$581.22
Square D
60
480
FAL340701121
FAL340701121
In Stock
From
$176.38
Square D
70
480
FAL340701127
FAL340701127
Limited Stock
From
Get Price
Square D
70
480
FAL340701212
FAL340701212
In Stock
From
$531.91
Square D
70
480
FAL34070G
FAL34070G
In Stock
From
$688.49
Square D
70
480
FAL340801121
FAL340801121
In Stock
From
$656.23
Square D
80
480
FAL34080G
FAL34080G
In Stock
From
$752.72
Square D
80
480
FAL340901212
FAL340901212
In Stock
From
$1,801.91
Square D
90
480
FAL34090G
FAL34090G
In Stock
From
$451.48
Square D
90
480
FAL341001037
FAL341001037
Limited Stock
From
Get Price
Square D
100
480
FAL341001121
FAL341001121
In Stock
From
$1,017.96
Square D
100
480
FAL341001422
FAL341001422
In Stock
From
$711.73
Square D
100
480
FAL341002100
FAL341002100
In Stock
From
$720.24
Square D
100
480
FAL341006168
FAL341006168
In Stock
From
$252.81
Square D
100
480
FAL34100G
FAL34100G
In Stock
From
$711.73
Square D
100
480
FAL36004M
FAL36004M
In Stock
From
$28.18
Square D
4
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.