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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
HDA36100BCSDYP
HDA36100BCSDYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSH
HDA36100BCSH
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSHYP
HDA36100BCSHYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSJ
HDA36100BCSJ
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSJYP
HDA36100BCSJYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSK
HDA36100BCSK
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSKYP
HDA36100BCSKYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSL
HDA36100BCSL
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSLYP
HDA36100BCSLYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSN
HDA36100BCSN
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSNYP
HDA36100BCSNYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSP
HDA36100BCSP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSPYP
HDA36100BCSPYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSR
HDA36100BCSR
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSRYP
HDA36100BCSRYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSV
HDA36100BCSV
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCSVYP
HDA36100BCSVYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUA
HDA36100BCUA
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUAYP
HDA36100BCUAYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUD
HDA36100BCUD
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUDYP
HDA36100BCUDYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUH
HDA36100BCUH
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUHYP
HDA36100BCUHYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100BCUJ
HDA36100BCUJ
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.