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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
HFA3110
HFA3110
In Stock
From
$1,296.56
Westinghouse
110
600
HFA3110L
HFA3110L
In Stock
From
$1,358.70
Cutler Hammer
110
600
HFA3125L
HFA3125L
In Stock
From
$1,622.50
Westinghouse
125
600
HFA3150
HFA3150
In Stock
From
$44.29
Westinghouse
150
600
HFA3150L
HFA3150L
In Stock
From
$1,125.71
Cutler Hammer
150
600
HFA31550M
HFA31550M
In Stock
From
$1,133.17
Westinghouse
100
600
HFD3015VSH09
HFD3015VSH09
In Stock
From
$242.87
Eaton
15
600
HFD3032L
HFD3032L
In Stock
From
$918.55
Eaton
-
-
HFD3063L
HFD3063L
In Stock
From
$674.70
Eaton
-
-
HFDDC3015VD01S0203
HFDDC3015VD01S0203
In Stock
From
$1,601.65
Eaton
15
600
HFDDC3070D17M08
HFDDC3070D17M08
Limited Stock
From
Get Price
Eaton
70
600
HFDDC3110WF01Y31
HFDDC3110WF01Y31
In Stock
From
$3,307.82
Eaton
110
600
HFDDC3175LA03S21
HFDDC3175LA03S21
In Stock
From
$3,957.87
Eaton
175
600
HK3100
HK3100
Limited Stock
From
Get Price
Westinghouse
100
600
HK3125
HK3125
In Stock
From
$316.36
Cutler Hammer
125
600
HK3150
HK3150
In Stock
From
$453.81
Cutler Hammer
150
600
HK3175
HK3175
In Stock
From
$363.05
Westinghouse
175
600
HK3200
HK3200
In Stock
From
$365.72
Cutler Hammer
200
600
HK3225
HK3225
In Stock
From
$595.08
Cutler Hammer
225
600
HK3225F
HK3225F
In Stock
From
$288.70
Westinghouse
225
600
HMCP003A0S
HMCP003A0S
In Stock
From
$607.82
Eaton
3
-
HMCP050K2S
HMCP050K2S
In Stock
From
$316.22
Eaton
50
-
HMCP080H1C
HMCP080H1C
In Stock
From
$612.41
Eaton
80
-
HMCP100R3S
HMCP100R3S
In Stock
From
$1,365.62
Eaton
100
-
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.