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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
HDA36110AEUKYP
HDA36110AEUKYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUN
HDA36110AEUN
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUNYP
HDA36110AEUNYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUO
HDA36110AEUO
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUOYP
HDA36110AEUOYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUP
HDA36110AEUP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUPYP
HDA36110AEUPYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUR
HDA36110AEUR
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEURYP
HDA36110AEURYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUS
HDA36110AEUS
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEUSYP
HDA36110AEUSYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AEYP
HDA36110AEYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AF
HDA36110AF
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBC
HDA36110AFBC
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSD
HDA36110AFBCSD
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSDYP
HDA36110AFBCSDYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSH
HDA36110AFBCSH
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSHYP
HDA36110AFBCSHYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSJ
HDA36110AFBCSJ
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSJYP
HDA36110AFBCSJYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSK
HDA36110AFBCSK
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSKYP
HDA36110AFBCSKYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSL
HDA36110AFBCSL
In Stock
From
$1,868.60
Square D
110
600
HDA36110AFBCSLYP
HDA36110AFBCSLYP
In Stock
From
$1,868.60
Square D
110
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.