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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
HDL36150BHSL
HDL36150BHSL
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSLYP
HDL36150BHSLYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSN
HDL36150BHSN
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSNYP
HDL36150BHSNYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSP
HDL36150BHSP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSPYP
HDL36150BHSPYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSR
HDL36150BHSR
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSRYP
HDL36150BHSRYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSV
HDL36150BHSV
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHSVYP
HDL36150BHSVYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUA
HDL36150BHUA
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUAYP
HDL36150BHUAYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUD
HDL36150BHUD
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUDYP
HDL36150BHUDYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUH
HDL36150BHUH
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUHYP
HDL36150BHUHYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUJ
HDL36150BHUJ
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUJYP
HDL36150BHUJYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUK
HDL36150BHUK
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUKYP
HDL36150BHUKYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUN
HDL36150BHUN
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUNYP
HDL36150BHUNYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUO
HDL36150BHUO
In Stock
From
$2,943.44
Square D
150
600
HDL36150BHUOYP
HDL36150BHUOYP
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.