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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
HGA260302UR
HGA260302UR
In Stock
From
$907.58
Square D
30
600
HGA260302URYP
HGA260302URYP
In Stock
From
$907.58
Square D
30
600
HGA260302US
HGA260302US
In Stock
From
$907.58
Square D
30
600
HGA260302USYP
HGA260302USYP
In Stock
From
$907.58
Square D
30
600
HGA260302YP
HGA260302YP
In Stock
From
$907.58
Square D
30
600
HGA36015AA
HGA36015AA
In Stock
From
$912.58
Square D
15
600
HGA36015AABC
HGA36015AABC
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSD
HGA36015AABCSD
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSDYP
HGA36015AABCSDYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSH
HGA36015AABCSH
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSHYP
HGA36015AABCSHYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSJ
HGA36015AABCSJ
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSJYP
HGA36015AABCSJYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSK
HGA36015AABCSK
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSKYP
HGA36015AABCSKYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSL
HGA36015AABCSL
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSLYP
HGA36015AABCSLYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSN
HGA36015AABCSN
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSNYP
HGA36015AABCSNYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSP
HGA36015AABCSP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSPYP
HGA36015AABCSPYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSR
HGA36015AABCSR
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSRYP
HGA36015AABCSRYP
In Stock
From
$912.58
Square D
15
600
HGA36015AABCSV
HGA36015AABCSV
In Stock
From
$912.58
Square D
15
600
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.