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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
HGA36020ABSJYP
HGA36020ABSJYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSK
HGA36020ABSK
In Stock
From
$833.50
Square D
20
600
HGA36020ABSKYP
HGA36020ABSKYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSL
HGA36020ABSL
In Stock
From
$833.50
Square D
20
600
HGA36020ABSLYP
HGA36020ABSLYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSN
HGA36020ABSN
In Stock
From
$833.50
Square D
20
600
HGA36020ABSNYP
HGA36020ABSNYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSP
HGA36020ABSP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSPYP
HGA36020ABSPYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSR
HGA36020ABSR
In Stock
From
$833.50
Square D
20
600
HGA36020ABSRYP
HGA36020ABSRYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABSV
HGA36020ABSV
In Stock
From
$833.50
Square D
20
600
HGA36020ABSVYP
HGA36020ABSVYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABUA
HGA36020ABUA
In Stock
From
$833.50
Square D
20
600
HGA36020ABUAYP
HGA36020ABUAYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABUD
HGA36020ABUD
In Stock
From
$833.50
Square D
20
600
HGA36020ABUDYP
HGA36020ABUDYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABUH
HGA36020ABUH
In Stock
From
$833.50
Square D
20
600
HGA36020ABUHYP
HGA36020ABUHYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABUJ
HGA36020ABUJ
In Stock
From
$833.50
Square D
20
600
HGA36020ABUJYP
HGA36020ABUJYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABUK
HGA36020ABUK
In Stock
From
$833.50
Square D
20
600
HGA36020ABUKYP
HGA36020ABUKYP
In Stock
From
$833.50
Square D
20
600
HGA36020ABUN
HGA36020ABUN
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.