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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
HGA36050BHUO
HGA36050BHUO
In Stock
From
$778.84
Square D
50
600
HGA36050BHUOYP
HGA36050BHUOYP
In Stock
From
$778.84
Square D
50
600
HGA36050BHUP
HGA36050BHUP
In Stock
From
$778.84
Square D
50
600
HGA36050BHUPYP
HGA36050BHUPYP
In Stock
From
$778.84
Square D
50
600
HGA36050BHUR
HGA36050BHUR
In Stock
From
$778.84
Square D
50
600
HGA36050BHURYP
HGA36050BHURYP
In Stock
From
$778.84
Square D
50
600
HGA36050BHUS
HGA36050BHUS
In Stock
From
$778.84
Square D
50
600
HGA36050BHUSYP
HGA36050BHUSYP
In Stock
From
$778.84
Square D
50
600
HGA36050BHYP
HGA36050BHYP
In Stock
From
$778.84
Square D
50
600
HGA36050BK
HGA36050BK
In Stock
From
$778.84
Square D
50
600
HGA36050BKSD
HGA36050BKSD
In Stock
From
$778.84
Square D
50
600
HGA36050BKSDYP
HGA36050BKSDYP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSH
HGA36050BKSH
In Stock
From
$778.84
Square D
50
600
HGA36050BKSHYP
HGA36050BKSHYP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSJ
HGA36050BKSJ
In Stock
From
$778.84
Square D
50
600
HGA36050BKSJYP
HGA36050BKSJYP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSK
HGA36050BKSK
In Stock
From
$778.84
Square D
50
600
HGA36050BKSKYP
HGA36050BKSKYP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSL
HGA36050BKSL
In Stock
From
$778.84
Square D
50
600
HGA36050BKSLYP
HGA36050BKSLYP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSN
HGA36050BKSN
In Stock
From
$778.84
Square D
50
600
HGA36050BKSNYP
HGA36050BKSNYP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSP
HGA36050BKSP
In Stock
From
$778.84
Square D
50
600
HGA36050BKSPYP
HGA36050BKSPYP
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.