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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
HDA36110BKSHYP
HDA36110BKSHYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSJ
HDA36110BKSJ
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSJYP
HDA36110BKSJYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSK
HDA36110BKSK
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSKYP
HDA36110BKSKYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSL
HDA36110BKSL
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSLYP
HDA36110BKSLYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSN
HDA36110BKSN
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSNYP
HDA36110BKSNYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSP
HDA36110BKSP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSPYP
HDA36110BKSPYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSR
HDA36110BKSR
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSRYP
HDA36110BKSRYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSV
HDA36110BKSV
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKSVYP
HDA36110BKSVYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUA
HDA36110BKUA
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUAYP
HDA36110BKUAYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUD
HDA36110BKUD
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUDYP
HDA36110BKUDYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUH
HDA36110BKUH
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUHYP
HDA36110BKUHYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUJ
HDA36110BKUJ
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUJYP
HDA36110BKUJYP
In Stock
From
$1,868.60
Square D
110
600
HDA36110BKUK
HDA36110BKUK
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.