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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
FAL34050
FAL34050
In Stock
From
$840.42
Square D
50
480
FAL340501021
FAL340501021
In Stock
From
$1,109.61
Square D
50
480
FAL34060
FAL34060
In Stock
From
$370.04
Square D
60
480
FAL340601021
FAL340601021
In Stock
From
$534.44
Square D
60
480
FAL34080
FAL34080
In Stock
From
$561.80
Square D
80
480
FAL341001021
FAL341001021
In Stock
From
$615.41
Square D
100
480
FAL3600311M1212
FAL3600311M1212
In Stock
From
$39.00
Square D
3
600
FAL360151021
FAL360151021
In Stock
From
$627.67
Square D
15
600
FAL360151212
FAL360151212
In Stock
From
$384.46
Square D
15
600
FAL3601513M
FAL3601513M
In Stock
From
$378.19
Square D
15
600
FAL36020
FAL36020
In Stock
From
$319.41
Square D
20
600
FAL36030
FAL36030
In Stock
From
$354.70
Square D
30
600
FAL3603015M
FAL3603015M
In Stock
From
$666.85
Square D
30
600
FAL3605016M
FAL3605016M
In Stock
From
$402.86
Square D
50
600
FAL3605016M1212
FAL3605016M1212
In Stock
From
$690.61
Square D
50
600
FAL36060
FAL36060
In Stock
From
$592.79
Square D
60
600
FAL360701021
FAL360701021
In Stock
From
$625.79
Square D
70
600
FAL36090
FAL36090
In Stock
From
$727.00
Square D
90
600
FAL36100
FAL36100
In Stock
From
$628.67
Square D
100
600
FAL361001021
FAL361001021
In Stock
From
$562.51
Square D
100
600
FAL361001212
FAL361001212
In Stock
From
$132.37
Square D
100
600
FAL3610016M
FAL3610016M
In Stock
From
$484.19
Square D
100
600
FAL3610018M
FAL3610018M
In Stock
From
$1,570.90
Schneider Electric
100
600
FAL3610018M1212
FAL3610018M1212
In Stock
From
$1,717.69
Square D
100
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.