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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
FGA140205
FGA140205
In Stock
From
$176.23
Square D
20
277
FGA240154
FGA240154
In Stock
From
$348.46
Schneider Electric
15
480
FGA240201
FGA240201
In Stock
From
$20.12
Square D
20
480
FGA240202
FGA240202
In Stock
From
$427.31
Schneider Electric
20
480
FGA240204
FGA240204
In Stock
From
$14.05
Square D
20
480
FGA240254
FGA240254
In Stock
From
$247.37
Square D
25
480
FGA240301
FGA240301
In Stock
From
$213.64
Schneider Electric
30
480
FGA240302
FGA240302
In Stock
From
$266.75
Schneider Electric
30
480
FGA240304
FGA240304
In Stock
From
$380.90
Square D
30
480
FGA240401
FGA240401
In Stock
From
$653.33
Schneider Electric
40
480
FGA240402
FGA240402
Limited Stock
From
Get Price
Square D
40
480
FGA240602
FGA240602
In Stock
From
$292.19
Square D
60
480
FGA240701
FGA240701
In Stock
From
$314.80
Square D
70
480
FGA241002
FGA241002
In Stock
From
$389.08
Square D
100
480
FGA34015
FGA34015
In Stock
From
$316.76
Square D
15
480
FGA34025
FGA34025
In Stock
From
$622.14
Schneider Electric
25
480
FGA34090SA
FGA34090SA
In Stock
From
$690.00
Schneider Electric
90
480
FJA140201
FJA140201
In Stock
From
$183.42
Schneider Electric
20
277
FJA140301
FJA140301
In Stock
From
$84.92
Schneider Electric
30
277
FJA140405
FJA140405
In Stock
From
$506.17
Square D
40
277
FJA140453
FJA140453
In Stock
From
$73.12
Schneider Electric
45
277
FJA140501
FJA140501
In Stock
From
$315.00
Schneider Electric
50
277
FJA140505
FJA140505
In Stock
From
$317.14
Square D
50
277
FJA140601
FJA140601
In Stock
From
$439.73
Schneider Electric
60
277
Popular Molded Case Circuit Breaker Manufacturers
Eaton
Square D
ABB
Siemens

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.