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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
HFD3125L
HFD3125L
In Stock
From
$1,490.52
Eaton
125
600
HFD3175L
HFD3175L
In Stock
From
$1,538.20
Eaton
175
600
HFD3200L
HFD3200L
In Stock
From
$931.18
Eaton
200
600
HFD3225L
HFD3225L
In Stock
From
$1,993.62
Eaton
225
600
HJD3070
HJD3070
In Stock
From
$1,853.84
Cutler Hammer
70
600
HJD3090
HJD3090
In Stock
From
$1,659.14
Eaton
90
600
HJD3100
HJD3100
In Stock
From
$1,575.12
Eaton
100
600
HJD3125
HJD3125
In Stock
From
$2,672.72
Eaton
125
600
HJD3175
HJD3175
In Stock
From
$1,538.72
Eaton
175
600
HKD3125
HKD3125
In Stock
From
$1,524.90
Eaton
125
600
HKD3150
HKD3150
In Stock
From
$1,753.26
Eaton
150
600
HKD3175
HKD3175
In Stock
From
$1,861.77
Eaton
175
600
HKD3250
HKD3250
In Stock
From
$4,029.20
Eaton
250
600
HKD3400KW
HKD3400KW
In Stock
From
$1,032.02
Eaton
400
600
HKD3400W
HKD3400W
In Stock
From
$3,177.67
Eaton
400
600
HLD3300
HLD3300
In Stock
From
$4,226.20
Cutler Hammer
300
600
HLD3450
HLD3450
In Stock
From
$3,938.41
Eaton
450
600
HMCP400F5C
HMCP400F5C
In Stock
From
$1,435.68
Eaton
400
600
HMCP400G5C
HMCP400G5C
In Stock
From
$2,437.29
Eaton
400
600
HMCP400J5C
HMCP400J5C
In Stock
From
$1,542.27
Eaton
400
600
HMCP400K5C
HMCP400K5C
In Stock
From
$2,108.50
Eaton
400
600
HMCP400N5C
HMCP400N5C
In Stock
From
$2,358.82
Eaton
400
600
HMCP400R5C
HMCP400R5C
In Stock
From
$1,559.45
Eaton
400
600
HMCP400Y5C
HMCP400Y5C
In Stock
From
$2,117.55
Eaton
400
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.