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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
HEG631030
HEG631030
In Stock
From
$57.34
Federal Pacific
30
600
HEG631035
HEG631035
In Stock
From
$204.66
Federal Pacific
35
600
HEG631040
HEG631040
In Stock
From
$491.22
Federal Pacific
40
600
HEG631045
HEG631045
In Stock
From
$202.71
Federal Pacific
45
600
HEG631050
HEG631050
In Stock
From
$301.55
Federal Pacific
50
600
HEG631060
HEG631060
In Stock
From
$508.89
Federal Pacific
60
600
HEG631070
HEG631070
In Stock
From
$222.99
Federal Pacific
70
600
HEG631080
HEG631080
In Stock
From
$518.46
Federal Pacific
80
600
HEG631090
HEG631090
In Stock
From
$541.72
Federal Pacific
90
600
HEG631090STEG
HEG631090STEG
In Stock
From
$433.38
Federal Pacific
90
600
HEJ231150STEJ
HEJ231150STEJ
In Stock
From
$217.36
Federal Pacific
150
240
HEJ233125
HEJ233125
In Stock
From
$555.59
Federal Pacific
125
240
HEJ233225
HEJ233225
In Stock
From
$1,012.82
Federal Pacific
225
240
HFJ631100R
HFJ631100R
In Stock
From
$646.55
Federal Pacific
100
600
HFJ631150R
HFJ631150R
In Stock
From
$240.34
Federal Pacific
150
600
NE111015
NE111015
In Stock
From
$23.15
Federal Pacific
15
120
NE111020
NE111020
In Stock
From
$30.96
Federal Pacific
20
120
NE113030
NE113030
In Stock
From
$3.37
American
30
120
NE114020
NE114020
In Stock
From
$51.54
Federal Pacific
20
120
NE211015
NE211015
In Stock
From
$8.68
American
15
120
NE221090
NE221090
In Stock
From
$142.34
Federal Pacific
90
240
NE224010
NE224010
In Stock
From
$79.68
Federal Pacific
10
240
NE224015
NE224015
In Stock
From
$103.81
American
15
240
NE224015S
NE224015S
In Stock
From
Get Price
Federal Pacific
15
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.