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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
HGA36020AAUSYP
HGA36020AAUSYP
In Stock
From
$833.50
Square D
20
600
HGA36020AAYP
HGA36020AAYP
In Stock
From
$833.50
Square D
20
600
HGA36020AB
HGA36020AB
In Stock
From
$833.50
Square D
20
600
HGA36020ABBC
HGA36020ABBC
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSD
HGA36020ABBCSD
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSDYP
HGA36020ABBCSDYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSH
HGA36020ABBCSH
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSHYP
HGA36020ABBCSHYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSJ
HGA36020ABBCSJ
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSJYP
HGA36020ABBCSJYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSK
HGA36020ABBCSK
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSKYP
HGA36020ABBCSKYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSL
HGA36020ABBCSL
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSLYP
HGA36020ABBCSLYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSN
HGA36020ABBCSN
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSNYP
HGA36020ABBCSNYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSP
HGA36020ABBCSP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSPYP
HGA36020ABBCSPYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSR
HGA36020ABBCSR
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSRYP
HGA36020ABBCSRYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSV
HGA36020ABBCSV
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCSVYP
HGA36020ABBCSVYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCUA
HGA36020ABBCUA
In Stock
From
$833.50
Square D
20
600
HGA36020ABBCUAYP
HGA36020ABBCUAYP
In Stock
From
$833.50
Square D
20
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.