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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
HDL26020UJ
HDL26020UJ
In Stock
From
$669.70
Square D
20
600
HDL26020UJYP
HDL26020UJYP
In Stock
From
$669.70
Square D
20
600
HDL26020UK
HDL26020UK
In Stock
From
$669.70
Square D
20
600
HDL26020UKYP
HDL26020UKYP
In Stock
From
$669.70
Square D
20
600
HDL26020UN
HDL26020UN
In Stock
From
$595.29
Square D
20
600
HDL26020UNYP
HDL26020UNYP
In Stock
From
$595.29
Square D
20
600
HDL26020UO
HDL26020UO
In Stock
From
$595.29
Square D
20
600
HDL26020UOYP
HDL26020UOYP
In Stock
From
$669.70
Square D
20
600
HDL26020UP
HDL26020UP
In Stock
From
$595.29
Square D
20
600
HDL26020UPYP
HDL26020UPYP
In Stock
From
$669.70
Square D
20
600
HDL26020UR
HDL26020UR
In Stock
From
$669.70
Square D
20
600
HDL26020URYP
HDL26020URYP
In Stock
From
$669.70
Square D
20
600
HDL26020US
HDL26020US
In Stock
From
$595.29
Square D
20
600
HDL26020USYP
HDL26020USYP
In Stock
From
$669.70
Square D
20
600
HDL26020YP
HDL26020YP
In Stock
From
$669.70
Square D
20
600
HDL26030AA
HDL26030AA
In Stock
From
$672.71
Square D
30
600
HDL26030AABC
HDL26030AABC
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSD
HDL26030AABCSD
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSDYP
HDL26030AABCSDYP
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSH
HDL26030AABCSH
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSHYP
HDL26030AABCSHYP
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSJ
HDL26030AABCSJ
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSJYP
HDL26030AABCSJYP
In Stock
From
$672.71
Square D
30
600
HDL26030AABCSK
HDL26030AABCSK
In Stock
From
$672.71
Square D
30
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.