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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
HDL26020BKSRYP
HDL26020BKSRYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKSV
HDL26020BKSV
In Stock
From
$669.70
Square D
20
600
HDL26020BKSVYP
HDL26020BKSVYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUA
HDL26020BKUA
In Stock
From
$669.70
Square D
20
600
HDL26020BKUAYP
HDL26020BKUAYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUD
HDL26020BKUD
In Stock
From
$669.70
Square D
20
600
HDL26020BKUDYP
HDL26020BKUDYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUH
HDL26020BKUH
In Stock
From
$669.70
Square D
20
600
HDL26020BKUHYP
HDL26020BKUHYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUJ
HDL26020BKUJ
In Stock
From
$669.70
Square D
20
600
HDL26020BKUJYP
HDL26020BKUJYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUK
HDL26020BKUK
In Stock
From
$669.70
Square D
20
600
HDL26020BKUKYP
HDL26020BKUKYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUN
HDL26020BKUN
In Stock
From
$669.70
Square D
20
600
HDL26020BKUNYP
HDL26020BKUNYP
In Stock
From
$595.29
Square D
20
600
HDL26020BKUO
HDL26020BKUO
In Stock
From
$669.70
Square D
20
600
HDL26020BKUOYP
HDL26020BKUOYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUP
HDL26020BKUP
In Stock
From
$669.70
Square D
20
600
HDL26020BKUPYP
HDL26020BKUPYP
In Stock
From
$595.29
Square D
20
600
HDL26020BKUR
HDL26020BKUR
In Stock
From
$669.70
Square D
20
600
HDL26020BKURYP
HDL26020BKURYP
In Stock
From
$595.29
Square D
20
600
HDL26020BKUS
HDL26020BKUS
In Stock
From
$669.70
Square D
20
600
HDL26020BKUSYP
HDL26020BKUSYP
In Stock
From
$669.70
Square D
20
600
HDL26020BKYP
HDL26020BKYP
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.