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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
C250
C250
In Stock
From
$2.47
Challenger
50
240
C260
C260
In Stock
From
$89.57
Challenger
60
240
CBB1020
CBB1020
In Stock
From
$11.36
Challenger
20
240
CBB2030
CBB2030
In Stock
From
$15.30
Challenger
30
240
CBB3040H
CBB3040H
In Stock
From
$41.36
Challenger
40
240
CBB3060H
CBB3060H
In Stock
From
$51.75
Challenger
60
240
CED3100
CED3100
In Stock
From
$243.14
Challenger
100
240
CED3200
CED3200
In Stock
From
$290.80
Challenger
200
240
CH3020
CH3020
In Stock
From
$30.46
Challenger
20
480
HAGF15
HAGF15
In Stock
From
$33.62
Challenger
15
120
HAGF20
HAGF20
In Stock
From
$8.74
Challenger
20
120
HC2100
HC2100
In Stock
From
$3.83
Challenger
100
240
SEH3C015
SEH3C015
In Stock
From
$422.80
Sylvania
15
480
SEH3C060
SEH3C060
In Stock
From
$351.38
Challenger
60
480
SEH3C070
SEH3C070
In Stock
From
$108.66
Sylvania
70
480
SEH3C125
SEH3C125
In Stock
From
$533.14
Challenger
125
480
SEH3C150
SEH3C150
In Stock
From
$431.69
Sylvania
150
480
SJK3C400
SJK3C400
In Stock
From
$1,013.16
Challenger
400
600
SJK3C600
SJK3C600
In Stock
From
$1,893.45
Challenger
600
600
BQ3D050
BQ3D050
In Stock
From
$43.46
Challenger
50
240
BQ3D060
BQ3D060
In Stock
From
$105.23
Challenger
60
240
BQ3D070
BQ3D070
In Stock
From
$122.34
Challenger
70
240
BQ3D100
BQ3D100
In Stock
From
$133.89
Challenger
100
240
C3100DIN
C3100DIN
In Stock
From
$64.00
Challenger
100
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.