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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
FWF3080L
FWF3080L
In Stock
From
$957.98
Eaton
80
690
FWF4050L
FWF4050L
In Stock
From
$2,602.77
Eaton
50
690
GD3015A3
GD3015A3
In Stock
From
$1,001.01
Eaton
15
480
GDB3030D
GDB3030D
In Stock
From
$679.57
Eaton
30
480
GMCP063M2C
GMCP063M2C
In Stock
From
$873.80
Eaton
63
480
HBAX2040
HBAX2040
In Stock
From
$156.70
Eaton
40
240
HFD1015L
HFD1015L
In Stock
From
$108.50
Eaton
15
277
HFD1020BP10
HFD1020BP10
In Stock
From
$179.87
Eaton
20
277
HFD1035L
HFD1035L
In Stock
From
$306.79
Eaton
35
277
HFD1050L
HFD1050L
In Stock
From
$224.21
Eaton
50
277
HFD2150LBP10
HFD2150LBP10
In Stock
From
$884.94
Eaton
150
600
HFD3015BP10
HFD3015BP10
In Stock
From
$786.90
Eaton
15
600
HFD3040BP10
HFD3040BP10
In Stock
From
$534.75
Eaton
40
600
HFD3050LBP10
HFD3050LBP10
In Stock
From
$642.22
Eaton
50
600
HFD3100S
HFD3100S
In Stock
From
$1,080.91
Eaton
100
600
HFD3225BP10
HFD3225BP10
In Stock
From
$1,665.56
Eaton
225
600
HFD4060
HFD4060
In Stock
From
$1,509.14
Westinghouse
60
600
HFDDC1040L
HFDDC1040L
In Stock
From
$479.04
Eaton
40
600
HFDDC1125L
HFDDC1125L
In Stock
From
$1,373.60
Eaton
125
600
HFDDC2050L
HFDDC2050L
In Stock
From
$393.60
Eaton
50
600
HFDDC3080W
HFDDC3080W
In Stock
From
$1,364.58
Eaton
80
600
HFDDC3125W
HFDDC3125W
In Stock
From
$1,738.34
Eaton
125
600
HFDDC3150L
HFDDC3150L
In Stock
From
$831.64
Eaton
150
600
HFDE316032C02
HFDE316032C02
In Stock
From
$4,026.74
Eaton
160
480
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.