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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
FC24020
FC24020
In Stock
From
$217.09
Square D
20
480
FCB24015AB
FCB24015AB
In Stock
From
Get Price
Square D
15
480
FCB24020AC
FCB24020AC
In Stock
From
Get Price
Square D
20
480
FCB24020BC
FCB24020BC
In Stock
From
$140.86
Square D
20
480
FCB24100AC
FCB24100AC
In Stock
From
Get Price
Square D
100
480
FCB34015
FCB34015
In Stock
From
$350.02
Square D
15
480
FCB34020
FCB34020
In Stock
From
$292.17
Square D
20
480
FCB34025
FCB34025
In Stock
From
$414.55
Square D
25
480
FCB34030
FCB34030
In Stock
From
$461.60
Square D
30
480
FCB34070
FCB34070
In Stock
From
$240.43
Square D
70
480
FCB34080
FCB34080
In Stock
From
$126.16
Square D
80
480
GB2CB05
GB2CB05
In Stock
From
$35.96
Schneider Electric
-
277
GB2CD05
GB2CD05
In Stock
From
$38.29
Schneider Electric
-
277
GB2CD08
GB2CD08
In Stock
From
$41.17
Schneider Electric
3
277
GB2CD10
GB2CD10
Limited Stock
From
Get Price
Schneider Electric
5
277
GB2CD14
GB2CD14
In Stock
From
$33.72
Schneider Electric
8
277
GB2DB14
GB2DB14
Limited Stock
From
Get Price
Schneider Electric
8
277
JLL36200LV
JLL36200LV
In Stock
From
$1,065.26
Square D
200
600
LV429249
LV429249
Limited Stock
From
Get Price
Schneider Electric
-
-
LV429312
LV429312
Limited Stock
From
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Schneider Electric
-
-
LV431564
LV431564
Limited Stock
From
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Schneider Electric
-
-
MG27124
MG27124
In Stock
From
$100.54
Schneider Electric
-
-
MGN61312
MGN61312
In Stock
From
Get Price
Schneider Electric
1
480
MGN61316
MGN61316
In Stock
From
Get Price
Square D
5
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.