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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
HDA36125BCSJYP
HDA36125BCSJYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSK
HDA36125BCSK
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSKYP
HDA36125BCSKYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSL
HDA36125BCSL
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSLYP
HDA36125BCSLYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSN
HDA36125BCSN
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSNYP
HDA36125BCSNYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSP
HDA36125BCSP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSPYP
HDA36125BCSPYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSR
HDA36125BCSR
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSRYP
HDA36125BCSRYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSV
HDA36125BCSV
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCSVYP
HDA36125BCSVYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUA
HDA36125BCUA
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUAYP
HDA36125BCUAYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUD
HDA36125BCUD
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUDYP
HDA36125BCUDYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUH
HDA36125BCUH
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUHYP
HDA36125BCUHYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUJ
HDA36125BCUJ
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUJYP
HDA36125BCUJYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUK
HDA36125BCUK
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUKYP
HDA36125BCUKYP
In Stock
From
$1,646.69
Square D
125
600
HDA36125BCUN
HDA36125BCUN
In Stock
From
$1,646.69
Square D
125
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.