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
HGA36035UNYP
HGA36035UNYP
In Stock
From
$1,193.82
Square D
35
600
HGA36035UO
HGA36035UO
In Stock
From
$1,193.82
Square D
35
600
HGA36035UOYP
HGA36035UOYP
In Stock
From
$1,193.82
Square D
35
600
HGA36035UP
HGA36035UP
In Stock
From
$1,193.82
Square D
35
600
HGA36035UPYP
HGA36035UPYP
In Stock
From
$1,193.82
Square D
35
600
HGA36035UR
HGA36035UR
In Stock
From
$1,193.82
Square D
35
600
HGA36035URYP
HGA36035URYP
In Stock
From
$1,193.82
Square D
35
600
HGA36035US
HGA36035US
In Stock
From
$1,193.82
Square D
35
600
HGA36035USYP
HGA36035USYP
In Stock
From
$1,193.82
Square D
35
600
HGA36040AA
HGA36040AA
In Stock
From
$826.00
Square D
40
600
HGA36040AABC
HGA36040AABC
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSD
HGA36040AABCSD
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSDYP
HGA36040AABCSDYP
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSH
HGA36040AABCSH
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSHYP
HGA36040AABCSHYP
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSJ
HGA36040AABCSJ
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSJYP
HGA36040AABCSJYP
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSK
HGA36040AABCSK
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSKYP
HGA36040AABCSKYP
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSL
HGA36040AABCSL
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSLYP
HGA36040AABCSLYP
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSN
HGA36040AABCSN
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSNYP
HGA36040AABCSNYP
In Stock
From
$826.00
Square D
40
600
HGA36040AABCSP
HGA36040AABCSP
In Stock
From
$826.00
Square D
40
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.