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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
HDA36100AEBHSKYP
HDA36100AEBHSKYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSL
HDA36100AEBHSL
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSLYP
HDA36100AEBHSLYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSN
HDA36100AEBHSN
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSNYP
HDA36100AEBHSNYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSP
HDA36100AEBHSP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSPYP
HDA36100AEBHSPYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSR
HDA36100AEBHSR
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSRYP
HDA36100AEBHSRYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSV
HDA36100AEBHSV
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHSVYP
HDA36100AEBHSVYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUA
HDA36100AEBHUA
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUAYP
HDA36100AEBHUAYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUD
HDA36100AEBHUD
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUDYP
HDA36100AEBHUDYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUH
HDA36100AEBHUH
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUHYP
HDA36100AEBHUHYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUJ
HDA36100AEBHUJ
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUJYP
HDA36100AEBHUJYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUK
HDA36100AEBHUK
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUKYP
HDA36100AEBHUKYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUN
HDA36100AEBHUN
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUNYP
HDA36100AEBHUNYP
In Stock
From
$1,782.47
Square D
100
600
HDA36100AEBHUO
HDA36100AEBHUO
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.