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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
HDL36020ABBCSHYP
HDL36020ABBCSHYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSJ
HDL36020ABBCSJ
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSJYP
HDL36020ABBCSJYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSK
HDL36020ABBCSK
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSKYP
HDL36020ABBCSKYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSL
HDL36020ABBCSL
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSLYP
HDL36020ABBCSLYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSN
HDL36020ABBCSN
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSNYP
HDL36020ABBCSNYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSP
HDL36020ABBCSP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSPYP
HDL36020ABBCSPYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSR
HDL36020ABBCSR
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSRYP
HDL36020ABBCSRYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSV
HDL36020ABBCSV
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCSVYP
HDL36020ABBCSVYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUA
HDL36020ABBCUA
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUAYP
HDL36020ABBCUAYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUD
HDL36020ABBCUD
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUDYP
HDL36020ABBCUDYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUH
HDL36020ABBCUH
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUHYP
HDL36020ABBCUHYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUJ
HDL36020ABBCUJ
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUJYP
HDL36020ABBCUJYP
In Stock
From
$560.28
Square D
20
600
HDL36020ABBCUK
HDL36020ABBCUK
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.