1. Home / 
  2. All Categories / 
  3. Circuit Breaker / 
  4. Molded Case Circuit Breaker

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
HDA36060U31XAEBKUSYP
HDA36060U31XAEBKUSYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAEBKYP
HDA36060U31XAEBKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESD
HDA36060U31XAESD
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESDYP
HDA36060U31XAESDYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESH
HDA36060U31XAESH
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESHYP
HDA36060U31XAESHYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESJ
HDA36060U31XAESJ
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESJYP
HDA36060U31XAESJYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESK
HDA36060U31XAESK
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESKYP
HDA36060U31XAESKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESL
HDA36060U31XAESL
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESLYP
HDA36060U31XAESLYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESN
HDA36060U31XAESN
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESNYP
HDA36060U31XAESNYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESP
HDA36060U31XAESP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESPYP
HDA36060U31XAESPYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESR
HDA36060U31XAESR
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESRYP
HDA36060U31XAESRYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESV
HDA36060U31XAESV
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAESVYP
HDA36060U31XAESVYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAEUA
HDA36060U31XAEUA
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAEUAYP
HDA36060U31XAEUAYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAEUD
HDA36060U31XAEUD
In Stock
From
$2,275.88
Square D
60
600
HDA36060U31XAEUDYP
HDA36060U31XAEUDYP
In Stock
From
$2,275.88
Square D
60
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.