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
HGA260302AEUJ
HGA260302AEUJ
In Stock
From
$907.58
Square D
30
600
HGA260302AEUJYP
HGA260302AEUJYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUK
HGA260302AEUK
In Stock
From
$907.58
Square D
30
600
HGA260302AEUKYP
HGA260302AEUKYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUN
HGA260302AEUN
In Stock
From
$907.58
Square D
30
600
HGA260302AEUNYP
HGA260302AEUNYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUO
HGA260302AEUO
In Stock
From
$907.58
Square D
30
600
HGA260302AEUOYP
HGA260302AEUOYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUP
HGA260302AEUP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUPYP
HGA260302AEUPYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUR
HGA260302AEUR
In Stock
From
$907.58
Square D
30
600
HGA260302AEURYP
HGA260302AEURYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEUS
HGA260302AEUS
In Stock
From
$907.58
Square D
30
600
HGA260302AEUSYP
HGA260302AEUSYP
In Stock
From
$907.58
Square D
30
600
HGA260302AEYP
HGA260302AEYP
In Stock
From
$907.58
Square D
30
600
HGA260302AF
HGA260302AF
In Stock
From
$907.58
Square D
30
600
HGA260302AFBC
HGA260302AFBC
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSD
HGA260302AFBCSD
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSDYP
HGA260302AFBCSDYP
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSH
HGA260302AFBCSH
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSHYP
HGA260302AFBCSHYP
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSJ
HGA260302AFBCSJ
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSJYP
HGA260302AFBCSJYP
In Stock
From
$907.58
Square D
30
600
HGA260302AFBCSK
HGA260302AFBCSK
In Stock
From
$907.58
Square D
30
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.