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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
HDA36150AEBKSDYP
HDA36150AEBKSDYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSH
HDA36150AEBKSH
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSHYP
HDA36150AEBKSHYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSJ
HDA36150AEBKSJ
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSJYP
HDA36150AEBKSJYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSK
HDA36150AEBKSK
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSKYP
HDA36150AEBKSKYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSL
HDA36150AEBKSL
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSLYP
HDA36150AEBKSLYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSN
HDA36150AEBKSN
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSNYP
HDA36150AEBKSNYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSP
HDA36150AEBKSP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSPYP
HDA36150AEBKSPYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSR
HDA36150AEBKSR
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSRYP
HDA36150AEBKSRYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSV
HDA36150AEBKSV
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKSVYP
HDA36150AEBKSVYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUA
HDA36150AEBKUA
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUAYP
HDA36150AEBKUAYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUD
HDA36150AEBKUD
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUDYP
HDA36150AEBKUDYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUH
HDA36150AEBKUH
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUHYP
HDA36150AEBKUHYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150AEBKUJ
HDA36150AEBKUJ
In Stock
From
$2,713.52
Square D
150
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.