1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
HDA36110AFUAYP
HDA36110AFUAYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUD
HDA36110AFUD
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUDYP
HDA36110AFUDYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUH
HDA36110AFUH
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUHYP
HDA36110AFUHYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUJ
HDA36110AFUJ
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUJYP
HDA36110AFUJYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUK
HDA36110AFUK
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUKYP
HDA36110AFUKYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUN
HDA36110AFUN
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUNYP
HDA36110AFUNYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUO
HDA36110AFUO
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUOYP
HDA36110AFUOYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUP
HDA36110AFUP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUPYP
HDA36110AFUPYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUR
HDA36110AFUR
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFURYP
HDA36110AFURYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUS
HDA36110AFUS
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFUSYP
HDA36110AFUSYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFYP
HDA36110AFYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BC
HDA36110BC
In Stock
From
$1,868.60
Square D
110
600
HDA36110BCSD
HDA36110BCSD
In Stock
From
$1,868.60
Square D
110
600
HDA36110BCSDYP
HDA36110BCSDYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BCSH
HDA36110BCSH
In Stock
From
$1,868.60
Square D
110
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.