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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
HDL36110
HDL36110
In Stock
From
$738.01
Schneider Electric
110
600
HDL36125SA
HDL36125SA
In Stock
From
$536.64
Square D
125
600
HDL36150SK
HDL36150SK
In Stock
From
$2,650.24
Square D
150
600
HDL36150U31X
HDL36150U31X
In Stock
From
$988.94
Schneider Electric
150
600
HDM36050
HDM36050
In Stock
From
$399.56
Square D
50
600
HDM36100
HDM36100
In Stock
From
$832.81
Schneider Electric
100
600
HDM36150
HDM36150
In Stock
From
$1,093.76
Square D
150
600
HDP36020
HDP36020
In Stock
From
$291.23
Schneider Electric
20
600
HDP36090
HDP36090
In Stock
From
$352.39
Square D
90
600
HDP36100
HDP36100
In Stock
From
$411.42
Schneider Electric
100
600
HDP36125
HDP36125
In Stock
From
$562.88
Schneider Electric
125
600
HFD1020BP10
HFD1020BP10
In Stock
From
$179.86
Eaton
20
277
HFD1040L
HFD1040L
In Stock
From
$177.15
Eaton
40
277
HFD3015BP10
HFD3015BP10
In Stock
From
$527.70
Eaton
15
600
HFD3040BP10
HFD3040BP10
In Stock
From
$620.84
Eaton
40
600
HFD3050LBP10
HFD3050LBP10
In Stock
From
$561.88
Eaton
50
600
HFD4015
HFD4015
In Stock
From
$858.14
Cutler Hammer
15
600
HFD4060
HFD4060
In Stock
From
$1,509.14
Westinghouse
60
600
HFDDC1125L
HFDDC1125L
In Stock
From
$1,228.17
Eaton
125
600
HFDDC3080W
HFDDC3080W
In Stock
From
$1,364.58
Eaton
80
600
HFDDC3150L
HFDDC3150L
In Stock
From
$835.83
Eaton
150
600
HFDE316032C02
HFDE316032C02
In Stock
From
$4,026.74
Eaton
160
480
HFK3G250L
HFK3G250L
In Stock
From
$3,766.40
Siemens
250
600
HFW3050JL
HFW3050JL
In Stock
From
$131.76
Eaton
50
690
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.