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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
HDL36090BHUH
HDL36090BHUH
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUHYP
HDL36090BHUHYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUJ
HDL36090BHUJ
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUJYP
HDL36090BHUJYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUK
HDL36090BHUK
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUKYP
HDL36090BHUKYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUN
HDL36090BHUN
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUNYP
HDL36090BHUNYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUO
HDL36090BHUO
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUOYP
HDL36090BHUOYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUP
HDL36090BHUP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUPYP
HDL36090BHUPYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUR
HDL36090BHUR
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHURYP
HDL36090BHURYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUS
HDL36090BHUS
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHUSYP
HDL36090BHUSYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BHYP
HDL36090BHYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BK
HDL36090BK
In Stock
From
$1,838.92
Square D
90
600
HDL36090BKSD
HDL36090BKSD
In Stock
From
$1,838.92
Square D
90
600
HDL36090BKSDYP
HDL36090BKSDYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BKSH
HDL36090BKSH
In Stock
From
$1,838.92
Square D
90
600
HDL36090BKSHYP
HDL36090BKSHYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BKSJ
HDL36090BKSJ
In Stock
From
$1,838.92
Square D
90
600
HDL36090BKSJYP
HDL36090BKSJYP
In Stock
From
$1,838.92
Square D
90
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.