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
HDA36080BKSN
HDA36080BKSN
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSNYP
HDA36080BKSNYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSP
HDA36080BKSP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSPYP
HDA36080BKSPYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSR
HDA36080BKSR
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSRYP
HDA36080BKSRYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSV
HDA36080BKSV
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKSVYP
HDA36080BKSVYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUA
HDA36080BKUA
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUAYP
HDA36080BKUAYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUD
HDA36080BKUD
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUDYP
HDA36080BKUDYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUH
HDA36080BKUH
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUHYP
HDA36080BKUHYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUJ
HDA36080BKUJ
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUJYP
HDA36080BKUJYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUK
HDA36080BKUK
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUKYP
HDA36080BKUKYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUN
HDA36080BKUN
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUNYP
HDA36080BKUNYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUO
HDA36080BKUO
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUOYP
HDA36080BKUOYP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUP
HDA36080BKUP
In Stock
From
$1,001.62
Square D
80
600
HDA36080BKUPYP
HDA36080BKUPYP
In Stock
From
$1,001.62
Square D
80
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.