1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
HDL26020AFBKUH
HDL26020AFBKUH
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUHYP
HDL26020AFBKUHYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUJ
HDL26020AFBKUJ
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUJYP
HDL26020AFBKUJYP
In Stock
From
$595.29
Square D
20
600
HDL26020AFBKUK
HDL26020AFBKUK
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUKYP
HDL26020AFBKUKYP
In Stock
From
$595.29
Square D
20
600
HDL26020AFBKUN
HDL26020AFBKUN
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUNYP
HDL26020AFBKUNYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUO
HDL26020AFBKUO
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUOYP
HDL26020AFBKUOYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUP
HDL26020AFBKUP
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUPYP
HDL26020AFBKUPYP
In Stock
From
$595.29
Square D
20
600
HDL26020AFBKUR
HDL26020AFBKUR
In Stock
From
$595.29
Square D
20
600
HDL26020AFBKURYP
HDL26020AFBKURYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUS
HDL26020AFBKUS
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKUSYP
HDL26020AFBKUSYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFBKYP
HDL26020AFBKYP
In Stock
From
$595.29
Square D
20
600
HDL26020AFSD
HDL26020AFSD
In Stock
From
$669.70
Square D
20
600
HDL26020AFSDYP
HDL26020AFSDYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFSH
HDL26020AFSH
In Stock
From
$595.29
Square D
20
600
HDL26020AFSHYP
HDL26020AFSHYP
In Stock
From
$595.29
Square D
20
600
HDL26020AFSJ
HDL26020AFSJ
In Stock
From
$669.70
Square D
20
600
HDL26020AFSJYP
HDL26020AFSJYP
In Stock
From
$669.70
Square D
20
600
HDL26020AFSK
HDL26020AFSK
In Stock
From
$669.70
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.