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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
HDL36090BCSK
HDL36090BCSK
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSKYP
HDL36090BCSKYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSL
HDL36090BCSL
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSLYP
HDL36090BCSLYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSN
HDL36090BCSN
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSNYP
HDL36090BCSNYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSP
HDL36090BCSP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSPYP
HDL36090BCSPYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSR
HDL36090BCSR
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSRYP
HDL36090BCSRYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSV
HDL36090BCSV
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCSVYP
HDL36090BCSVYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUA
HDL36090BCUA
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUAYP
HDL36090BCUAYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUD
HDL36090BCUD
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUDYP
HDL36090BCUDYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUH
HDL36090BCUH
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUHYP
HDL36090BCUHYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUJ
HDL36090BCUJ
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUJYP
HDL36090BCUJYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUK
HDL36090BCUK
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUKYP
HDL36090BCUKYP
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUN
HDL36090BCUN
In Stock
From
$1,838.92
Square D
90
600
HDL36090BCUNYP
HDL36090BCUNYP
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.