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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
FHL36040
FHL36040
In Stock
From
$378.76
Square D
40
600
FHL360401021
FHL360401021
In Stock
From
$425.61
Square D
40
600
FHL360401121
FHL360401121
In Stock
From
$918.93
Square D
40
600
FHL360401212
FHL360401212
In Stock
From
$198.06
Square D
40
600
FHL36045
FHL36045
In Stock
From
$440.55
Square D
45
600
FHL360451021
FHL360451021
In Stock
From
$350.75
Square D
45
600
FHL360451027
FHL360451027
In Stock
From
$350.75
Square D
45
600
FHL36050
FHL36050
In Stock
From
$817.17
Square D
50
600
FHL360501021
FHL360501021
In Stock
From
$604.46
Square D
50
600
FHL3605016M
FHL3605016M
In Stock
From
$256.62
Square D
50
600
FHL36060
FHL36060
In Stock
From
$567.19
Square D
60
600
FHL360601021
FHL360601021
In Stock
From
$688.07
Square D
60
600
FHL36070
FHL36070
In Stock
From
$468.82
Square D
70
600
FHL360701021
FHL360701021
In Stock
From
$546.90
Square D
70
600
FHL360701212
FHL360701212
In Stock
From
$2,003.84
Square D
70
600
FHL360801021
FHL360801021
In Stock
From
$494.84
Square D
80
600
FHL360801212
FHL360801212
In Stock
From
$444.49
Square D
80
600
FHL36080G
FHL36080G
In Stock
From
$1,096.38
Square D
80
600
FHL36090
FHL36090
In Stock
From
$796.49
Square D
90
600
FHL360901021
FHL360901021
In Stock
From
$1,358.50
Square D
90
600
FHL361001021
FHL361001021
In Stock
From
$931.85
Square D
100
600
FHL361001121
FHL361001121
In Stock
From
$1,224.11
Square D
100
600
FHL361001212
FHL361001212
In Stock
From
$442.88
Square D
100
600
FHL3610016M
FHL3610016M
In Stock
From
$931.85
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.