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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
FW3100L
FW3100L
In Stock
From
$1,021.88
Cutler Hammer
100
690
FWF3040L
FWF3040L
In Stock
From
$904.10
Eaton
40
690
FWF3050L
FWF3050L
In Stock
From
$1,188.69
Eaton
50
690
FWF3063L
FWF3063L
In Stock
From
$223.36
Eaton
63
690
FWF3080L
FWF3080L
In Stock
From
$962.80
Eaton
80
690
GD3015A3
GD3015A3
In Stock
From
$1,001.01
Eaton
15
480
GDB3020D
GDB3020D
In Stock
From
$80.00
Cutler Hammer
20
480
GHCGFEP1015
GHCGFEP1015
In Stock
From
$670.99
Cutler Hammer
15
277
HBAX2040
HBAX2040
In Stock
From
$241.07
Eaton
40
240
HDA260301
HDA260301
In Stock
From
$631.98
Square D
30
600
HDA260501
HDA260501
In Stock
From
$852.15
Square D
50
600
HDA260502
HDA260502
In Stock
From
$765.59
Square D
50
600
HDA260602
HDA260602
In Stock
From
$517.51
Square D
60
600
HDA261501
HDA261501
In Stock
From
$710.98
Square D
150
600
HDA36060U53X
HDA36060U53X
In Stock
From
$1,117.82
Square D
60
600
HDF36020
HDF36020
In Stock
From
$498.59
Schneider Electric
20
600
HDF36035
HDF36035
In Stock
From
$214.66
Square D
35
600
HDF36040
HDF36040
In Stock
From
$357.22
Schneider Electric
40
600
HDF36060
HDF36060
In Stock
From
$250.28
Schneider Electric
60
600
HDF36125
HDF36125
In Stock
From
Get Price
Schneider Electric
125
600
HDL36030UA
HDL36030UA
In Stock
From
$608.05
Square D
30
600
HDL36060C
HDL36060C
In Stock
From
$784.33
Schneider Electric
60
600
HDL36090C
HDL36090C
In Stock
From
$277.62
Schneider Electric
90
600
HDL36100U31X
HDL36100U31X
In Stock
From
$847.86
Schneider Electric
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.