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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
HDA36015AASL
HDA36015AASL
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASLYP
HDA36015AASLYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASN
HDA36015AASN
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASNYP
HDA36015AASNYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASP
HDA36015AASP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASPYP
HDA36015AASPYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASR
HDA36015AASR
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASRYP
HDA36015AASRYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASV
HDA36015AASV
In Stock
From
$1,009.91
Square D
15
600
HDA36015AASVYP
HDA36015AASVYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUA
HDA36015AAUA
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUAYP
HDA36015AAUAYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUD
HDA36015AAUD
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUDYP
HDA36015AAUDYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUH
HDA36015AAUH
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUHYP
HDA36015AAUHYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUJ
HDA36015AAUJ
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUJYP
HDA36015AAUJYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUK
HDA36015AAUK
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUKYP
HDA36015AAUKYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUN
HDA36015AAUN
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUNYP
HDA36015AAUNYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUO
HDA36015AAUO
In Stock
From
$1,009.91
Square D
15
600
HDA36015AAUOYP
HDA36015AAUOYP
In Stock
From
$1,009.91
Square D
15
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.