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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
FAB36050
FAB36050
In Stock
From
$298.49
Square D
50
600
FAB36070
FAB36070
In Stock
From
$265.78
Square D
70
600
FAB36080
FAB36080
In Stock
From
$1,430.00
Square D
80
600
FAB36090
FAB36090
In Stock
From
$1,058.42
Square D
90
600
FAF12015V
FAF12015V
In Stock
From
$86.11
Square D
15
240
FAF12020V
FAF12020V
In Stock
From
$87.23
Square D
20
240
FAF12025V
FAF12025V
In Stock
From
$8.58
Square D
25
240
FAF12030V
FAF12030V
In Stock
From
$110.76
Square D
30
240
FAF12035V
FAF12035V
In Stock
From
$11.98
Square D
35
240
FAF12040V
FAF12040V
In Stock
From
$15.89
Square D
40
240
FAF12045V
FAF12045V
In Stock
From
$4.66
Square D
45
240
FAF12050V
FAF12050V
In Stock
From
$62.53
Square D
50
240
FAF12060
FAF12060
In Stock
From
$11.26
Square D
60
240
FAF12060V
FAF12060V
In Stock
From
$11.26
Square D
60
240
FAF12070
FAF12070
In Stock
From
$22.97
Square D
70
240
FAF12070V
FAF12070V
In Stock
From
$22.97
Square D
70
240
FAF12080
FAF12080
In Stock
From
$107.20
Square D
80
240
FAF12080V
FAF12080V
In Stock
From
$138.14
Square D
80
240
FAF12090
FAF12090
In Stock
From
$12.31
Square D
90
240
FAF12090V
FAF12090V
In Stock
From
$12.31
Square D
90
240
FAF12100
FAF12100
In Stock
From
$105.94
Square D
100
240
FAF12100V
FAF12100V
In Stock
From
$142.17
Square D
100
240
FAF14015V
FAF14015V
In Stock
From
$126.52
Square D
15
277
FAF14020V
FAF14020V
In Stock
From
$91.25
Square D
20
277
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.