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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
HDA36150BEUA
HDA36150BEUA
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUAYP
HDA36150BEUAYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUD
HDA36150BEUD
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUDYP
HDA36150BEUDYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUH
HDA36150BEUH
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUHYP
HDA36150BEUHYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUJ
HDA36150BEUJ
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUJYP
HDA36150BEUJYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUK
HDA36150BEUK
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUKYP
HDA36150BEUKYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUN
HDA36150BEUN
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUNYP
HDA36150BEUNYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUO
HDA36150BEUO
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUOYP
HDA36150BEUOYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUP
HDA36150BEUP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUPYP
HDA36150BEUPYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUR
HDA36150BEUR
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEURYP
HDA36150BEURYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUS
HDA36150BEUS
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEUSYP
HDA36150BEUSYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BEYP
HDA36150BEYP
In Stock
From
$2,713.52
Square D
150
600
HDA36150BH
HDA36150BH
In Stock
From
$2,713.52
Square D
150
600
HDA36150BHSD
HDA36150BHSD
In Stock
From
$2,713.52
Square D
150
600
HDA36150BHSDYP
HDA36150BHSDYP
In Stock
From
$2,713.52
Square D
150
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.