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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
HDL36020ABUS
HDL36020ABUS
In Stock
From
$560.28
Square D
20
600
HDL36020ABUSYP
HDL36020ABUSYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABYP
HDL36020ABYP
In Stock
From
$560.28
Square D
20
600
HDL36020AE
HDL36020AE
In Stock
From
$560.28
Square D
20
600
HDL36020AEBC
HDL36020AEBC
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSD
HDL36020AEBCSD
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSDYP
HDL36020AEBCSDYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSH
HDL36020AEBCSH
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSHYP
HDL36020AEBCSHYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSJ
HDL36020AEBCSJ
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSJYP
HDL36020AEBCSJYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSK
HDL36020AEBCSK
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSKYP
HDL36020AEBCSKYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSL
HDL36020AEBCSL
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSLYP
HDL36020AEBCSLYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSN
HDL36020AEBCSN
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSNYP
HDL36020AEBCSNYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSP
HDL36020AEBCSP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSPYP
HDL36020AEBCSPYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSR
HDL36020AEBCSR
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSRYP
HDL36020AEBCSRYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSV
HDL36020AEBCSV
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCSVYP
HDL36020AEBCSVYP
In Stock
From
$560.28
Square D
20
600
HDL36020AEBCUA
HDL36020AEBCUA
In Stock
From
$560.28
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.