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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
FA22020AC
FA22020AC
In Stock
From
$98.51
Square D
20
240
FA22040AC
FA22040AC
In Stock
From
$267.81
Square D
40
240
FA22070AC
FA22070AC
In Stock
From
$184.01
Square D
70
240
FA22100AC
FA22100AC
In Stock
From
$277.31
Square D
100
240
FA26015AC
FA26015AC
In Stock
From
$210.06
Square D
15
600
FA32040
FA32040
In Stock
From
$296.58
Square D
40
240
FA32070
FA32070
In Stock
From
$256.99
Square D
70
240
FA32100
FA32100
In Stock
From
$382.08
Square D
100
240
FA36020
FA36020
In Stock
From
$366.58
Square D
20
600
FA36030
FA36030
In Stock
From
$490.04
Square D
30
600
FA36100
FA36100
In Stock
From
$527.83
Square D
100
600
FAB36100
FAB36100
In Stock
From
$450.94
Square D
100
600
FAL22015
FAL22015
In Stock
From
$55.81
Square D
15
240
FAL22070
FAL22070
In Stock
From
$116.59
Square D
70
240
FAL24030
FAL24030
In Stock
From
$204.06
Square D
30
480
FAL26070
FAL26070
In Stock
From
$270.51
Square D
70
600
FAL341001027
FAL341001027
In Stock
From
$435.43
Square D
100
480
FC34060
FC34060
In Stock
From
$480.02
Square D
60
480
FH16020A
FH16020A
In Stock
From
$87.08
Square D
20
277
FH16025B
FH16025B
In Stock
From
$399.27
Square D
25
277
FH16030A
FH16030A
In Stock
From
$150.21
Square D
30
277
FH16030C
FH16030C
In Stock
From
$120.17
Square D
30
277
FH16100A
FH16100A
In Stock
From
$187.52
Square D
100
277
FH26015AB
FH26015AB
In Stock
From
$388.50
Square D
15
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.