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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
HDA36035BKUO
HDA36035BKUO
In Stock
From
$885.49
Square D
35
600
HDA36035BKUOYP
HDA36035BKUOYP
In Stock
From
$885.49
Square D
35
600
HDA36035BKUP
HDA36035BKUP
In Stock
From
$885.49
Square D
35
600
HDA36035BKUPYP
HDA36035BKUPYP
In Stock
From
$885.49
Square D
35
600
HDA36035BKUR
HDA36035BKUR
In Stock
From
$885.49
Square D
35
600
HDA36035BKURYP
HDA36035BKURYP
In Stock
From
$885.49
Square D
35
600
HDA36035BKUS
HDA36035BKUS
In Stock
From
$885.49
Square D
35
600
HDA36035BKUSYP
HDA36035BKUSYP
In Stock
From
$885.49
Square D
35
600
HDA36035BKYP
HDA36035BKYP
In Stock
From
$885.49
Square D
35
600
HDA36035SD
HDA36035SD
In Stock
From
$885.49
Square D
35
600
HDA36035SDYP
HDA36035SDYP
In Stock
From
$885.49
Square D
35
600
HDA36035SH
HDA36035SH
In Stock
From
$885.49
Square D
35
600
HDA36035SHYP
HDA36035SHYP
In Stock
From
$885.49
Square D
35
600
HDA36035SJ
HDA36035SJ
In Stock
From
$885.49
Square D
35
600
HDA36035SJYP
HDA36035SJYP
In Stock
From
$885.49
Square D
35
600
HDA36035SK
HDA36035SK
In Stock
From
$885.49
Square D
35
600
HDA36035SKYP
HDA36035SKYP
In Stock
From
$885.49
Square D
35
600
HDA36035SL
HDA36035SL
In Stock
From
$885.49
Square D
35
600
HDA36035SLYP
HDA36035SLYP
In Stock
From
$885.49
Square D
35
600
HDA36035SN
HDA36035SN
In Stock
From
$885.49
Square D
35
600
HDA36035SNYP
HDA36035SNYP
In Stock
From
$885.49
Square D
35
600
HDA36035SP
HDA36035SP
In Stock
From
$885.49
Square D
35
600
HDA36035SPYP
HDA36035SPYP
In Stock
From
$885.49
Square D
35
600
HDA36035SR
HDA36035SR
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.