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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
HDA36020BHUAYP
HDA36020BHUAYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUD
HDA36020BHUD
In Stock
From
$801.77
Square D
20
600
HDA36020BHUDYP
HDA36020BHUDYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUH
HDA36020BHUH
In Stock
From
$801.77
Square D
20
600
HDA36020BHUHYP
HDA36020BHUHYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUJ
HDA36020BHUJ
In Stock
From
$801.77
Square D
20
600
HDA36020BHUJYP
HDA36020BHUJYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUK
HDA36020BHUK
In Stock
From
$801.77
Square D
20
600
HDA36020BHUKYP
HDA36020BHUKYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUN
HDA36020BHUN
In Stock
From
$801.77
Square D
20
600
HDA36020BHUNYP
HDA36020BHUNYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUO
HDA36020BHUO
In Stock
From
$801.77
Square D
20
600
HDA36020BHUOYP
HDA36020BHUOYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUP
HDA36020BHUP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUPYP
HDA36020BHUPYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUR
HDA36020BHUR
In Stock
From
$801.77
Square D
20
600
HDA36020BHURYP
HDA36020BHURYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHUS
HDA36020BHUS
In Stock
From
$801.77
Square D
20
600
HDA36020BHUSYP
HDA36020BHUSYP
In Stock
From
$801.77
Square D
20
600
HDA36020BHYP
HDA36020BHYP
In Stock
From
$801.77
Square D
20
600
HDA36020BK
HDA36020BK
In Stock
From
$801.77
Square D
20
600
HDA36020BKSD
HDA36020BKSD
In Stock
From
$801.77
Square D
20
600
HDA36020BKSDYP
HDA36020BKSDYP
In Stock
From
$801.77
Square D
20
600
HDA36020BKSH
HDA36020BKSH
In Stock
From
$801.77
Square D
20
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.