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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
FA14050A
FA14050A
In Stock
From
$111.61
Square D
50
277
FA14050C
FA14050C
In Stock
From
$83.40
Square D
50
277
FA14060A
FA14060A
In Stock
From
$112.37
Square D
60
277
FA14060B
FA14060B
In Stock
From
$260.33
Square D
60
277
FA14070B
FA14070B
In Stock
From
$233.28
Square D
70
277
FA14070C
FA14070C
In Stock
From
$84.50
Square D
70
277
FA14090A
FA14090A
In Stock
From
$87.87
Square D
90
277
FA14100A
FA14100A
In Stock
From
$87.17
Square D
100
480
FA14100B
FA14100B
In Stock
From
$94.33
Square D
100
277
FA14100C
FA14100C
In Stock
From
$89.62
Square D
100
277
FA22015AB
FA22015AB
In Stock
From
$177.60
Square D
15
240
FA22015AC
FA22015AC
In Stock
From
$177.60
Square D
15
240
FA22020AB
FA22020AB
In Stock
From
$41.37
Square D
20
240
FA22020BC
FA22020BC
In Stock
From
$28.31
Square D
20
240
FA22025AC
FA22025AC
In Stock
From
$175.75
Square D
25
240
FA22025BC
FA22025BC
In Stock
From
$138.68
Square D
25
240
FA22030
FA22030
In Stock
From
$225.11
Square D
30
240
FA22030AB
FA22030AB
In Stock
From
$225.11
Square D
30
240
FA22030BC
FA22030BC
In Stock
From
$138.71
Square D
30
240
FA22035AC
FA22035AC
In Stock
From
$42.18
Square D
35
240
FA22035BC
FA22035BC
In Stock
From
$42.18
Square D
35
240
FA22040
FA22040
In Stock
From
$81.01
Square D
40
240
FA22040AB
FA22040AB
In Stock
From
$183.23
Square D
40
240
FA22040AC
FA22040AC
In Stock
From
$226.87
Square D
40
240
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.