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
HGA36050AEYP
HGA36050AEYP
In Stock
From
$778.84
Square D
50
600
HGA36050AF
HGA36050AF
In Stock
From
$778.84
Square D
50
600
HGA36050AFBC
HGA36050AFBC
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSD
HGA36050AFBCSD
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSDYP
HGA36050AFBCSDYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSH
HGA36050AFBCSH
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSHYP
HGA36050AFBCSHYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSJ
HGA36050AFBCSJ
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSJYP
HGA36050AFBCSJYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSK
HGA36050AFBCSK
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSKYP
HGA36050AFBCSKYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSL
HGA36050AFBCSL
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSLYP
HGA36050AFBCSLYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSN
HGA36050AFBCSN
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSNYP
HGA36050AFBCSNYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSP
HGA36050AFBCSP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSPYP
HGA36050AFBCSPYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSR
HGA36050AFBCSR
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSRYP
HGA36050AFBCSRYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSV
HGA36050AFBCSV
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCSVYP
HGA36050AFBCSVYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCUA
HGA36050AFBCUA
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCUAYP
HGA36050AFBCUAYP
In Stock
From
$778.84
Square D
50
600
HGA36050AFBCUD
HGA36050AFBCUD
In Stock
From
$778.84
Square D
50
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.