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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
HGA36050ABUH
HGA36050ABUH
In Stock
From
$778.84
Square D
50
600
HGA36050ABUHYP
HGA36050ABUHYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUJ
HGA36050ABUJ
In Stock
From
$778.84
Square D
50
600
HGA36050ABUJYP
HGA36050ABUJYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUK
HGA36050ABUK
In Stock
From
$778.84
Square D
50
600
HGA36050ABUKYP
HGA36050ABUKYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUN
HGA36050ABUN
In Stock
From
$778.84
Square D
50
600
HGA36050ABUNYP
HGA36050ABUNYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUO
HGA36050ABUO
In Stock
From
$778.84
Square D
50
600
HGA36050ABUOYP
HGA36050ABUOYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUP
HGA36050ABUP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUPYP
HGA36050ABUPYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUR
HGA36050ABUR
In Stock
From
$778.84
Square D
50
600
HGA36050ABURYP
HGA36050ABURYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABUS
HGA36050ABUS
In Stock
From
$778.84
Square D
50
600
HGA36050ABUSYP
HGA36050ABUSYP
In Stock
From
$778.84
Square D
50
600
HGA36050ABYP
HGA36050ABYP
In Stock
From
$778.84
Square D
50
600
HGA36050AE
HGA36050AE
In Stock
From
$778.84
Square D
50
600
HGA36050AEBC
HGA36050AEBC
In Stock
From
$778.84
Square D
50
600
HGA36050AEBCSD
HGA36050AEBCSD
In Stock
From
$778.84
Square D
50
600
HGA36050AEBCSDYP
HGA36050AEBCSDYP
In Stock
From
$778.84
Square D
50
600
HGA36050AEBCSH
HGA36050AEBCSH
In Stock
From
$778.84
Square D
50
600
HGA36050AEBCSHYP
HGA36050AEBCSHYP
In Stock
From
$778.84
Square D
50
600
HGA36050AEBCSJ
HGA36050AEBCSJ
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.