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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
HDL36150BCSV
HDL36150BCSV
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCSVYP
HDL36150BCSVYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUA
HDL36150BCUA
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUAYP
HDL36150BCUAYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUD
HDL36150BCUD
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUDYP
HDL36150BCUDYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUH
HDL36150BCUH
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUHYP
HDL36150BCUHYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUJ
HDL36150BCUJ
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUJYP
HDL36150BCUJYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUK
HDL36150BCUK
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUKYP
HDL36150BCUKYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUN
HDL36150BCUN
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUNYP
HDL36150BCUNYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUO
HDL36150BCUO
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUOYP
HDL36150BCUOYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUP
HDL36150BCUP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUPYP
HDL36150BCUPYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUR
HDL36150BCUR
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCURYP
HDL36150BCURYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUS
HDL36150BCUS
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCUSYP
HDL36150BCUSYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BCYP
HDL36150BCYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BE
HDL36150BE
In Stock
From
$2,943.44
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.