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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
HFD3080W
HFD3080W
In Stock
From
$785.38
Eaton
80
600
HFD3090W
HFD3090W
In Stock
From
$950.05
Eaton
90
600
HFD3100K
HFD3100K
In Stock
From
$1,016.23
Eaton
100
600
HFD3100W
HFD3100W
In Stock
From
$1,157.07
Eaton
100
600
HFD3125W
HFD3125W
In Stock
From
$1,743.12
Eaton
125
600
HFD3150K
HFD3150K
In Stock
From
$1,402.27
Eaton
150
600
HFD3150V
HFD3150V
In Stock
From
$2,420.20
Eaton
150
600
HFD3175V
HFD3175V
In Stock
From
$3,704.40
Eaton
175
600
HFD3175W
HFD3175W
In Stock
From
$2,180.46
Eaton
175
600
HFD3200V
HFD3200V
In Stock
From
$2,328.34
Westinghouse
200
600
HFD3200W
HFD3200W
In Stock
From
$1,485.48
Eaton
200
600
HFD3225K
HFD3225K
In Stock
From
$799.42
Westinghouse
225
600
HFD3225V
HFD3225V
In Stock
From
$3,375.15
Eaton
225
600
HFD3225VW
HFD3225VW
In Stock
From
$2,537.96
Eaton
225
600
HFD3225W
HFD3225W
In Stock
From
$1,785.49
Eaton
225
600
HFD63B100
HFD63B100
In Stock
From
$1,383.23
Siemens
100
600
HFD63B150
HFD63B150
In Stock
From
$1,153.56
Siemens
150
600
HFD63B200
HFD63B200
In Stock
From
$1,591.34
Siemens
200
600
HFD63F250
HFD63F250
In Stock
From
$1,308.37
Siemens
250
600
HFDE308032
HFDE308032
In Stock
From
$1,540.06
Eaton
80
480
HFDE308032L
HFDE308032L
In Stock
From
$3,239.66
Eaton
80
480
HFDE308033
HFDE308033
In Stock
From
$2,101.50
Eaton
80
480
HFDE308033L
HFDE308033L
In Stock
From
$3,239.66
Eaton
80
480
HFDE308035
HFDE308035
In Stock
From
$2,814.37
Eaton
80
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.