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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
HDL26040AEUPYP
HDL26040AEUPYP
In Stock
From
$651.44
Square D
40
600
HDL26040AEUR
HDL26040AEUR
In Stock
From
$651.44
Square D
40
600
HDL26040AEURYP
HDL26040AEURYP
In Stock
From
$579.06
Square D
40
600
HDL26040AEUS
HDL26040AEUS
In Stock
From
$579.06
Square D
40
600
HDL26040AEUSYP
HDL26040AEUSYP
In Stock
From
$579.06
Square D
40
600
HDL26040AEYP
HDL26040AEYP
In Stock
From
$651.44
Square D
40
600
HDL26040AF
HDL26040AF
In Stock
From
$651.44
Square D
40
600
HDL26040AFBC
HDL26040AFBC
In Stock
From
$579.06
Square D
40
600
HDL26040AFBCSD
HDL26040AFBCSD
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSDYP
HDL26040AFBCSDYP
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSH
HDL26040AFBCSH
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSHYP
HDL26040AFBCSHYP
In Stock
From
$579.06
Square D
40
600
HDL26040AFBCSJ
HDL26040AFBCSJ
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSJYP
HDL26040AFBCSJYP
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSK
HDL26040AFBCSK
In Stock
From
$579.06
Square D
40
600
HDL26040AFBCSKYP
HDL26040AFBCSKYP
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSL
HDL26040AFBCSL
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSLYP
HDL26040AFBCSLYP
In Stock
From
$579.06
Square D
40
600
HDL26040AFBCSN
HDL26040AFBCSN
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSNYP
HDL26040AFBCSNYP
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSP
HDL26040AFBCSP
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSPYP
HDL26040AFBCSPYP
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSR
HDL26040AFBCSR
In Stock
From
$651.44
Square D
40
600
HDL26040AFBCSRYP
HDL26040AFBCSRYP
In Stock
From
$651.44
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.