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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
HDA36060U44XUJ
HDA36060U44XUJ
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUJYP
HDA36060U44XUJYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUK
HDA36060U44XUK
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUKYP
HDA36060U44XUKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUN
HDA36060U44XUN
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUNYP
HDA36060U44XUNYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUO
HDA36060U44XUO
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUOYP
HDA36060U44XUOYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUP
HDA36060U44XUP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUPYP
HDA36060U44XUPYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUR
HDA36060U44XUR
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XURYP
HDA36060U44XURYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUS
HDA36060U44XUS
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XUSYP
HDA36060U44XUSYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U44XYP
HDA36060U44XYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060UA
HDA36060UA
In Stock
From
$2,275.88
Square D
60
600
HDA36060UAYP
HDA36060UAYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060UD
HDA36060UD
In Stock
From
$2,275.88
Square D
60
600
HDA36060UDYP
HDA36060UDYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060UH
HDA36060UH
In Stock
From
$2,275.88
Square D
60
600
HDA36060UHYP
HDA36060UHYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060UJ
HDA36060UJ
In Stock
From
$2,275.88
Square D
60
600
HDA36060UJYP
HDA36060UJYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060UK
HDA36060UK
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.