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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
HDL36150SDYP
HDL36150SDYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SH
HDL36150SH
In Stock
From
$2,943.44
Square D
150
600
HDL36150SHYP
HDL36150SHYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SJ
HDL36150SJ
In Stock
From
$2,943.44
Square D
150
600
HDL36150SJYP
HDL36150SJYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SKYP
HDL36150SKYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SL
HDL36150SL
In Stock
From
$2,943.44
Square D
150
600
HDL36150SLYP
HDL36150SLYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SNYP
HDL36150SNYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SP
HDL36150SP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SPYP
HDL36150SPYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SR
HDL36150SR
In Stock
From
$2,943.44
Square D
150
600
HDL36150SRYP
HDL36150SRYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150SV
HDL36150SV
In Stock
From
$2,943.44
Square D
150
600
HDL36150SVYP
HDL36150SVYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150UA
HDL36150UA
In Stock
From
$2,943.44
Square D
150
600
HDL36150UAYP
HDL36150UAYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150UD
HDL36150UD
In Stock
From
$2,943.44
Square D
150
600
HDL36150UDYP
HDL36150UDYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150UH
HDL36150UH
In Stock
From
$2,943.44
Square D
150
600
HDL36150UHYP
HDL36150UHYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150UJ
HDL36150UJ
In Stock
From
$2,943.44
Square D
150
600
HDL36150UJYP
HDL36150UJYP
In Stock
From
$2,943.44
Square D
150
600
HDL36150UK
HDL36150UK
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.