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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
FC24015AC
FC24015AC
In Stock
From
$229.98
Square D
15
480
FC24015BC
FC24015BC
In Stock
From
$309.24
Square D
15
480
FC24020AB
FC24020AB
In Stock
From
$320.35
Square D
20
480
FC24020AC
FC24020AC
In Stock
From
$263.23
Square D
20
480
FC24025AC
FC24025AC
In Stock
From
$194.96
Square D
25
480
FC24030AB
FC24030AB
In Stock
From
$379.61
Square D
30
480
FC24030AC
FC24030AC
In Stock
From
$489.19
Square D
30
480
FC24030BC
FC24030BC
In Stock
From
$122.96
Square D
30
480
FC24035AB
FC24035AB
In Stock
From
$341.27
Square D
35
480
FC24040AC
FC24040AC
In Stock
From
$141.48
Square D
40
480
FC24050AC
FC24050AC
In Stock
From
$438.72
Square D
50
480
FC24050BC
FC24050BC
In Stock
From
$199.71
Square D
50
480
FC24060AB
FC24060AB
In Stock
From
$355.59
Square D
60
480
FC24060AB1021
FC24060AB1021
In Stock
From
$548.10
Square D
60
480
FC24060AC
FC24060AC
In Stock
From
$200.66
Square D
60
480
FC24060BC
FC24060BC
In Stock
From
$355.59
Square D
60
480
FC24070AB
FC24070AB
In Stock
From
$605.87
Square D
70
480
FC24070AC
FC24070AC
In Stock
From
$727.04
Square D
70
480
FC24090AC
FC24090AC
In Stock
From
$625.66
Square D
90
480
FC24100AC
FC24100AC
In Stock
From
$624.61
Square D
100
480
FC34015G
FC34015G
In Stock
From
$347.27
Square D
15
480
FC340201021
FC340201021
In Stock
From
$562.62
Square D
20
480
FC340201121
FC340201121
In Stock
From
$270.19
Square D
20
480
FC34020G
FC34020G
In Stock
From
$109.78
Square D
20
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.