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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
HDA36020AEBESH
HDA36020AEBESH
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESHYP
HDA36020AEBESHYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESJ
HDA36020AEBESJ
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESJYP
HDA36020AEBESJYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESK
HDA36020AEBESK
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESKYP
HDA36020AEBESKYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESL
HDA36020AEBESL
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESLYP
HDA36020AEBESLYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESN
HDA36020AEBESN
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESNYP
HDA36020AEBESNYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESP
HDA36020AEBESP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESPYP
HDA36020AEBESPYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESR
HDA36020AEBESR
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESRYP
HDA36020AEBESRYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESV
HDA36020AEBESV
In Stock
From
$801.77
Square D
20
600
HDA36020AEBESVYP
HDA36020AEBESVYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUA
HDA36020AEBEUA
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUAYP
HDA36020AEBEUAYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUD
HDA36020AEBEUD
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUDYP
HDA36020AEBEUDYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUH
HDA36020AEBEUH
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUHYP
HDA36020AEBEUHYP
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUJ
HDA36020AEBEUJ
In Stock
From
$801.77
Square D
20
600
HDA36020AEBEUJYP
HDA36020AEBEUJYP
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.