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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
HDA36035AAUHYP
HDA36035AAUHYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUJ
HDA36035AAUJ
In Stock
From
$885.49
Square D
35
600
HDA36035AAUJYP
HDA36035AAUJYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUK
HDA36035AAUK
In Stock
From
$885.49
Square D
35
600
HDA36035AAUKYP
HDA36035AAUKYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUN
HDA36035AAUN
In Stock
From
$885.49
Square D
35
600
HDA36035AAUNYP
HDA36035AAUNYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUO
HDA36035AAUO
In Stock
From
$885.49
Square D
35
600
HDA36035AAUOYP
HDA36035AAUOYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUP
HDA36035AAUP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUPYP
HDA36035AAUPYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUR
HDA36035AAUR
In Stock
From
$885.49
Square D
35
600
HDA36035AAURYP
HDA36035AAURYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAUS
HDA36035AAUS
In Stock
From
$885.49
Square D
35
600
HDA36035AAUSYP
HDA36035AAUSYP
In Stock
From
$885.49
Square D
35
600
HDA36035AAYP
HDA36035AAYP
In Stock
From
$885.49
Square D
35
600
HDA36035AB
HDA36035AB
In Stock
From
$885.49
Square D
35
600
HDA36035ABBC
HDA36035ABBC
In Stock
From
$885.49
Square D
35
600
HDA36035ABBCSD
HDA36035ABBCSD
In Stock
From
$885.49
Square D
35
600
HDA36035ABBCSDYP
HDA36035ABBCSDYP
In Stock
From
$885.49
Square D
35
600
HDA36035ABBCSH
HDA36035ABBCSH
In Stock
From
$885.49
Square D
35
600
HDA36035ABBCSHYP
HDA36035ABBCSHYP
In Stock
From
$885.49
Square D
35
600
HDA36035ABBCSJ
HDA36035ABBCSJ
In Stock
From
$885.49
Square D
35
600
HDA36035ABBCSJYP
HDA36035ABBCSJYP
In Stock
From
$885.49
Square D
35
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.