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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
HDL36040CBHSHYP
HDL36040CBHSHYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSJ
HDL36040CBHSJ
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSJYP
HDL36040CBHSJYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSK
HDL36040CBHSK
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSKYP
HDL36040CBHSKYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSL
HDL36040CBHSL
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSLYP
HDL36040CBHSLYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSN
HDL36040CBHSN
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSNYP
HDL36040CBHSNYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSP
HDL36040CBHSP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSPYP
HDL36040CBHSPYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSR
HDL36040CBHSR
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSRYP
HDL36040CBHSRYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHSV
HDL36040CBHSV
In Stock
From
$729.58
Square D
40
600
HDL36040CBHSVYP
HDL36040CBHSVYP
In Stock
From
$729.58
Square D
40
600
HDL36040CBHUA
HDL36040CBHUA
In Stock
From
$729.58
Square D
40
600
HDL36040CBHUAYP
HDL36040CBHUAYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUD
HDL36040CBHUD
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUDYP
HDL36040CBHUDYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUH
HDL36040CBHUH
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUHYP
HDL36040CBHUHYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUJ
HDL36040CBHUJ
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUJYP
HDL36040CBHUJYP
In Stock
From
$820.78
Square D
40
600
HDL36040CBHUK
HDL36040CBHUK
In Stock
From
$820.78
Square D
40
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.