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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
HGA36050BEUH
HGA36050BEUH
In Stock
From
$778.84
Square D
50
600
HGA36050BEUHYP
HGA36050BEUHYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUJ
HGA36050BEUJ
In Stock
From
$778.84
Square D
50
600
HGA36050BEUJYP
HGA36050BEUJYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUK
HGA36050BEUK
In Stock
From
$778.84
Square D
50
600
HGA36050BEUKYP
HGA36050BEUKYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUN
HGA36050BEUN
In Stock
From
$778.84
Square D
50
600
HGA36050BEUNYP
HGA36050BEUNYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUO
HGA36050BEUO
In Stock
From
$778.84
Square D
50
600
HGA36050BEUOYP
HGA36050BEUOYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUP
HGA36050BEUP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUPYP
HGA36050BEUPYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUR
HGA36050BEUR
In Stock
From
$778.84
Square D
50
600
HGA36050BEURYP
HGA36050BEURYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEUS
HGA36050BEUS
In Stock
From
$778.84
Square D
50
600
HGA36050BEUSYP
HGA36050BEUSYP
In Stock
From
$778.84
Square D
50
600
HGA36050BEYP
HGA36050BEYP
In Stock
From
$778.84
Square D
50
600
HGA36050BH
HGA36050BH
In Stock
From
$778.84
Square D
50
600
HGA36050BHSD
HGA36050BHSD
In Stock
From
$778.84
Square D
50
600
HGA36050BHSDYP
HGA36050BHSDYP
In Stock
From
$778.84
Square D
50
600
HGA36050BHSH
HGA36050BHSH
In Stock
From
$778.84
Square D
50
600
HGA36050BHSHYP
HGA36050BHSHYP
In Stock
From
$778.84
Square D
50
600
HGA36050BHSJ
HGA36050BHSJ
In Stock
From
$778.84
Square D
50
600
HGA36050BHSJYP
HGA36050BHSJYP
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.