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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
HGG3B040L
HGG3B040L
In Stock
From
$351.70
Siemens
40
600
HGG3B050L
HGG3B050L
In Stock
From
$373.83
Siemens
50
600
HGG3B060L
HGG3B060L
In Stock
From
$400.34
Siemens
60
600
HGG3B070L
HGG3B070L
In Stock
From
$1,275.95
Siemens
70
600
HGG3B080L
HGG3B080L
In Stock
From
$531.22
Siemens
80
600
HGG3B090L
HGG3B090L
In Stock
From
$528.80
Siemens
90
600
HGG3B100L
HGG3B100L
In Stock
From
$1,723.05
Siemens
100
600
HKB3F120
HKB3F120
In Stock
From
$3,980.34
Siemens
1200
600
HLL36015LV
HLL36015LV
In Stock
From
$2,236.00
Schneider Electric
15
600
HLL36150LV
HLL36150LV
In Stock
From
$289.05
Schneider Electric
150
600
HM2P400X5
HM2P400X5
In Stock
From
$696.89
Eaton
400
-
HM632000
HM632000
In Stock
From
$2,222.16
Federal Pacific
800
600
HM632600
HM632600
In Stock
From
$2,042.76
Federal Pacific
600
600
HM632800
HM632800
In Stock
From
$1,618.57
Federal Pacific
800
600
HMCPE050K2C
HMCPE050K2C
In Stock
From
$421.32
Eaton
50
480
HMCPE100T3C
HMCPE100T3C
In Stock
From
$886.22
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
HOM115EPD
HOM115EPD
In Stock
From
$123.85
Square D
15
120
HOM230EPD
HOM230EPD
In Stock
From
$363.65
Square D
30
240
HOM250EPD
HOM250EPD
In Stock
From
$450.00
Square D
50
240
HOMT1515215
HOMT1515215
In Stock
From
$41.31
Schneider Electric
15
240
HOMT1515220
HOMT1515220
In Stock
From
$38.97
Square D
20
240
HOMT1515225
HOMT1515225
In Stock
From
$62.04
Square D
25
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.