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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
HFD3060LBP10
HFD3060LBP10
In Stock
From
$571.10
Eaton
60
600
HFD3070LBP10
HFD3070LBP10
In Stock
From
$614.88
Eaton
70
600
HFD3080LBP10
HFD3080LBP10
In Stock
From
$785.38
Eaton
80
600
HFD3090LBP10
HFD3090LBP10
In Stock
From
$950.05
Eaton
90
600
HFDE315021
HFDE315021
In Stock
From
$2,127.08
Eaton
150
600
HM2P400X5
HM2P400X5
In Stock
From
$696.89
Eaton
400
-
HMCPE050K2C
HMCPE050K2C
In Stock
From
$421.29
Eaton
50
480
HMCPE100T3C
HMCPE100T3C
In Stock
From
$811.02
Cutler Hammer
100
480
HMCPJ250G5L
HMCPJ250G5L
In Stock
From
$1,545.47
Cutler Hammer
250
600
HMCPJ250L5L
HMCPJ250L5L
In Stock
From
$830.79
Cutler Hammer
250
600
HQC3025
HQC3025
In Stock
From
$24.42
Westinghouse
25
240
HQC3030
HQC3030
In Stock
From
$11.30
Westinghouse
30
240
HQNB3030
HQNB3030
In Stock
From
$126.30
Cutler Hammer
30
240
HQNP3020
HQNP3020
In Stock
From
$25.65
Cutler Hammer
20
240
HQNP3040
HQNP3040
In Stock
From
$22.67
Cutler Hammer
40
240
HQNP3050
HQNP3050
In Stock
From
$51.24
Cutler Hammer
50
240
HQNPA3100
HQNPA3100
In Stock
From
$221.89
Cutler Hammer
100
240
HQP1030
HQP1030
In Stock
From
$17.05
Eaton
30
120
HQP1100
HQP1100
In Stock
From
$93.48
Cutler Hammer
100
120
HQP2015
HQP2015
In Stock
From
$42.36
Cutler Hammer
15
240
HQP2020
HQP2020
In Stock
From
$21.88
Eaton
20
240
HQP2025
HQP2025
In Stock
From
$74.90
Cutler Hammer
25
240
HQP2030
HQP2030
In Stock
From
$40.42
Cutler Hammer
30
240
HQP2030H
HQP2030H
In Stock
From
$119.81
Cutler Hammer
30
240
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.