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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
HJA261002
HJA261002
In Stock
From
$804.78
Square D
100
600
HJA261502
HJA261502
In Stock
From
$5,190.56
Square D
150
600
HJA36020AEBEUDYP
HJA36020AEBEUDYP
In Stock
From
$1,497.11
Square D
20
600
HJD2100
HJD2100
In Stock
From
$783.31
Eaton
100
600
HJD2150
HJD2150
In Stock
From
$1,874.09
Cutler Hammer
150
600
HJD2175
HJD2175
In Stock
From
Get Price
Cutler Hammer
175
600
HJD2200
HJD2200
In Stock
From
$1,783.37
Westinghouse
200
600
HJD2250
HJD2250
In Stock
From
$5,460.06
Eaton
250
600
HJD2250F
HJD2250F
In Stock
From
$4,289.90
Westinghouse
250
600
HJD62B200
HJD62B200
In Stock
From
$3,417.96
Siemens
200
600
HJD62B225
HJD62B225
In Stock
From
$3,780.43
Siemens
225
600
HJD62B250
HJD62B250
In Stock
From
$8,527.80
Siemens
250
600
HJD63B300
HJD63B300
In Stock
From
$1,894.27
Siemens
300
600
HJD63B350
HJD63B350
In Stock
From
$2,142.02
Siemens
350
600
HJDDC3200W
HJDDC3200W
In Stock
From
$3,645.91
Cutler Hammer
200
600
HJDDC3225
HJDDC3225
In Stock
From
$985.69
Cutler Hammer
225
600
HJDDC3250W
HJDDC3250W
In Stock
From
$3,236.77
Eaton
250
600
HJF36015
HJF36015
In Stock
From
$493.03
Square D
15
600
HJF36020
HJF36020
In Stock
From
$570.47
Schneider Electric
20
600
HJF36025
HJF36025
In Stock
From
$1,119.43
Square D
25
600
HJF36035
HJF36035
In Stock
From
$1,651.67
Square D
35
600
HJF36040
HJF36040
In Stock
From
$492.92
Square D
40
600
HJF36050
HJF36050
In Stock
From
$701.52
Square D
50
600
HJF36060
HJF36060
In Stock
From
$1,224.22
Square D
60
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.