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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
HDA36015BKUA
HDA36015BKUA
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUAYP
HDA36015BKUAYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUD
HDA36015BKUD
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUDYP
HDA36015BKUDYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUH
HDA36015BKUH
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUHYP
HDA36015BKUHYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUJ
HDA36015BKUJ
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUJYP
HDA36015BKUJYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUK
HDA36015BKUK
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUKYP
HDA36015BKUKYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUN
HDA36015BKUN
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUNYP
HDA36015BKUNYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUO
HDA36015BKUO
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUOYP
HDA36015BKUOYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUP
HDA36015BKUP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUPYP
HDA36015BKUPYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUR
HDA36015BKUR
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKURYP
HDA36015BKURYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUS
HDA36015BKUS
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKUSYP
HDA36015BKUSYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015BKYP
HDA36015BKYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015SD
HDA36015SD
In Stock
From
$1,009.91
Square D
15
600
HDA36015SDYP
HDA36015SDYP
In Stock
From
$1,009.91
Square D
15
600
HDA36015SH
HDA36015SH
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.