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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
HGA36030AFUJYP
HGA36030AFUJYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUK
HGA36030AFUK
In Stock
From
$841.30
Square D
30
600
HGA36030AFUKYP
HGA36030AFUKYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUN
HGA36030AFUN
In Stock
From
$841.30
Square D
30
600
HGA36030AFUNYP
HGA36030AFUNYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUO
HGA36030AFUO
In Stock
From
$841.30
Square D
30
600
HGA36030AFUOYP
HGA36030AFUOYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUP
HGA36030AFUP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUPYP
HGA36030AFUPYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUR
HGA36030AFUR
In Stock
From
$841.30
Square D
30
600
HGA36030AFURYP
HGA36030AFURYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFUS
HGA36030AFUS
In Stock
From
$841.30
Square D
30
600
HGA36030AFUSYP
HGA36030AFUSYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFYP
HGA36030AFYP
In Stock
From
$841.30
Square D
30
600
HGA36030BC
HGA36030BC
In Stock
From
$841.30
Square D
30
600
HGA36030BCSD
HGA36030BCSD
In Stock
From
$841.30
Square D
30
600
HGA36030BCSDYP
HGA36030BCSDYP
In Stock
From
$841.30
Square D
30
600
HGA36030BCSH
HGA36030BCSH
In Stock
From
$841.30
Square D
30
600
HGA36030BCSHYP
HGA36030BCSHYP
In Stock
From
$841.30
Square D
30
600
HGA36030BCSJ
HGA36030BCSJ
In Stock
From
$841.30
Square D
30
600
HGA36030BCSJYP
HGA36030BCSJYP
In Stock
From
$841.30
Square D
30
600
HGA36030BCSK
HGA36030BCSK
In Stock
From
$841.30
Square D
30
600
HGA36030BCSKYP
HGA36030BCSKYP
In Stock
From
$841.30
Square D
30
600
HGA36030BCSL
HGA36030BCSL
In Stock
From
$841.30
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.