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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.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
HDA36060U44XAEBCSK
HDA36060U44XAEBCSK
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSKYP
HDA36060U44XAEBCSKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSL
HDA36060U44XAEBCSL
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSLYP
HDA36060U44XAEBCSLYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSN
HDA36060U44XAEBCSN
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSNYP
HDA36060U44XAEBCSNYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSP
HDA36060U44XAEBCSP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSPYP
HDA36060U44XAEBCSPYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSR
HDA36060U44XAEBCSR
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSRYP
HDA36060U44XAEBCSRYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSV
HDA36060U44XAEBCSV
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCSVYP
HDA36060U44XAEBCSVYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUA
HDA36060U44XAEBCUA
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUAYP
HDA36060U44XAEBCUAYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUD
HDA36060U44XAEBCUD
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUDYP
HDA36060U44XAEBCUDYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUH
HDA36060U44XAEBCUH
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUHYP
HDA36060U44XAEBCUHYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUJ
HDA36060U44XAEBCUJ
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUJYP
HDA36060U44XAEBCUJYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUK
HDA36060U44XAEBCUK
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUKYP
HDA36060U44XAEBCUKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUN
HDA36060U44XAEBCUN
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XAEBCUNYP
HDA36060U44XAEBCUNYP
In Stock
From
$2,275.88
Square D
60
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.