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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
HDA36060AASL
HDA36060AASL
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASLYP
HDA36060AASLYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASN
HDA36060AASN
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASNYP
HDA36060AASNYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASP
HDA36060AASP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASPYP
HDA36060AASPYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASR
HDA36060AASR
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASRYP
HDA36060AASRYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASV
HDA36060AASV
In Stock
From
$2,275.88
Square D
60
600
HDA36060AASVYP
HDA36060AASVYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUA
HDA36060AAUA
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUAYP
HDA36060AAUAYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUD
HDA36060AAUD
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUDYP
HDA36060AAUDYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUH
HDA36060AAUH
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUHYP
HDA36060AAUHYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUJ
HDA36060AAUJ
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUJYP
HDA36060AAUJYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUK
HDA36060AAUK
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUKYP
HDA36060AAUKYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUN
HDA36060AAUN
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUNYP
HDA36060AAUNYP
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUO
HDA36060AAUO
In Stock
From
$2,275.88
Square D
60
600
HDA36060AAUOYP
HDA36060AAUOYP
In Stock
From
$2,275.88
Square D
60
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.