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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
HDA36015AFSN
HDA36015AFSN
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSNYP
HDA36015AFSNYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSP
HDA36015AFSP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSPYP
HDA36015AFSPYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSR
HDA36015AFSR
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSRYP
HDA36015AFSRYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSV
HDA36015AFSV
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFSVYP
HDA36015AFSVYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUA
HDA36015AFUA
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUAYP
HDA36015AFUAYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUD
HDA36015AFUD
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUDYP
HDA36015AFUDYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUH
HDA36015AFUH
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUHYP
HDA36015AFUHYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUJ
HDA36015AFUJ
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUJYP
HDA36015AFUJYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUK
HDA36015AFUK
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUKYP
HDA36015AFUKYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUN
HDA36015AFUN
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUNYP
HDA36015AFUNYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUO
HDA36015AFUO
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUOYP
HDA36015AFUOYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUP
HDA36015AFUP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AFUPYP
HDA36015AFUPYP
In Stock
From
$1,009.91
Square D
15
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.