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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
HDA36060U31XBHYP
HDA36060U31XBHYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBK
HDA36060U31XBK
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSD
HDA36060U31XBKSD
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSDYP
HDA36060U31XBKSDYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSH
HDA36060U31XBKSH
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSHYP
HDA36060U31XBKSHYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSJ
HDA36060U31XBKSJ
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSJYP
HDA36060U31XBKSJYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSK
HDA36060U31XBKSK
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSKYP
HDA36060U31XBKSKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSL
HDA36060U31XBKSL
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSLYP
HDA36060U31XBKSLYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSN
HDA36060U31XBKSN
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSNYP
HDA36060U31XBKSNYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSP
HDA36060U31XBKSP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSPYP
HDA36060U31XBKSPYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSR
HDA36060U31XBKSR
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSRYP
HDA36060U31XBKSRYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSV
HDA36060U31XBKSV
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKSVYP
HDA36060U31XBKSVYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKUA
HDA36060U31XBKUA
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKUAYP
HDA36060U31XBKUAYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKUD
HDA36060U31XBKUD
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XBKUDYP
HDA36060U31XBKUDYP
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.