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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
HDA36100ABBHSPYP
HDA36100ABBHSPYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHSR
HDA36100ABBHSR
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHSRYP
HDA36100ABBHSRYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHSV
HDA36100ABBHSV
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHSVYP
HDA36100ABBHSVYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUA
HDA36100ABBHUA
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUAYP
HDA36100ABBHUAYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUD
HDA36100ABBHUD
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUDYP
HDA36100ABBHUDYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUH
HDA36100ABBHUH
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUHYP
HDA36100ABBHUHYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUJ
HDA36100ABBHUJ
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUJYP
HDA36100ABBHUJYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUK
HDA36100ABBHUK
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUKYP
HDA36100ABBHUKYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUN
HDA36100ABBHUN
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUNYP
HDA36100ABBHUNYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUO
HDA36100ABBHUO
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUOYP
HDA36100ABBHUOYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUP
HDA36100ABBHUP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUPYP
HDA36100ABBHUPYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUR
HDA36100ABBHUR
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHURYP
HDA36100ABBHURYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100ABBHUS
HDA36100ABBHUS
In Stock
From
$1,782.47
Square D
100
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.