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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
HDL26030ABBKUHYP
HDL26030ABBKUHYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUJ
HDL26030ABBKUJ
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUJYP
HDL26030ABBKUJYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUK
HDL26030ABBKUK
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUKYP
HDL26030ABBKUKYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUN
HDL26030ABBKUN
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUNYP
HDL26030ABBKUNYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUO
HDL26030ABBKUO
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUOYP
HDL26030ABBKUOYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUP
HDL26030ABBKUP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUPYP
HDL26030ABBKUPYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUR
HDL26030ABBKUR
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKURYP
HDL26030ABBKURYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUS
HDL26030ABBKUS
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKUSYP
HDL26030ABBKUSYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABBKYP
HDL26030ABBKYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABSD
HDL26030ABSD
In Stock
From
$672.71
Square D
30
600
HDL26030ABSDYP
HDL26030ABSDYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABSH
HDL26030ABSH
In Stock
From
$672.71
Square D
30
600
HDL26030ABSHYP
HDL26030ABSHYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABSJ
HDL26030ABSJ
In Stock
From
$672.71
Square D
30
600
HDL26030ABSJYP
HDL26030ABSJYP
In Stock
From
$672.71
Square D
30
600
HDL26030ABSK
HDL26030ABSK
In Stock
From
$672.71
Square D
30
600
HDL26030ABSKYP
HDL26030ABSKYP
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.