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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
FAB26015AC
FAB26015AC
In Stock
From
$332.84
Square D
15
600
FAB26020BC
FAB26020BC
In Stock
From
$229.52
Square D
15
600
FAB26030AB
FAB26030AB
In Stock
From
$150.00
Square D
30
600
FAB26030BC
FAB26030BC
In Stock
From
$235.37
Square D
30
600
FAB26040AC
FAB26040AC
In Stock
From
$217.97
Square D
40
600
FAB26040BC
FAB26040BC
In Stock
From
$93.57
Square D
40
600
FAB26050AC
FAB26050AC
In Stock
From
$315.70
Square D
50
600
FAB26070AB
FAB26070AB
In Stock
From
$284.27
Square D
70
600
FAB26100AC
FAB26100AC
In Stock
From
$519.38
Square D
100
600
FAB34015
FAB34015
In Stock
From
$546.97
Square D
15
480
FAB34020
FAB34020
In Stock
From
$296.98
Square D
20
480
FAB34030
FAB34030
In Stock
From
$252.64
Square D
30
480
FAB34035
FAB34035
In Stock
From
$362.64
Square D
35
480
FAB34040
FAB34040
In Stock
From
$301.78
Square D
40
480
FAB34050
FAB34050
In Stock
From
$578.96
Square D
50
480
FAB34060
FAB34060
In Stock
From
$328.50
Square D
60
480
FAB34070
FAB34070
In Stock
From
$648.88
Square D
70
480
FAB34080
FAB34080
In Stock
From
$190.87
Square D
80
480
FAB34090
FAB34090
In Stock
From
$644.69
Square D
90
480
FAB34100
FAB34100
In Stock
From
$424.09
Square D
100
480
FAB36015
FAB36015
In Stock
From
$208.81
Square D
15
600
FAB36025
FAB36025
In Stock
From
$392.08
Square D
25
600
FAB36035
FAB36035
In Stock
From
$372.74
Square D
35
600
FAB36045
FAB36045
In Stock
From
$620.52
Square D
45
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.