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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
HGA36070AFUN
HGA36070AFUN
In Stock
From
$921.47
Square D
70
600
HGA36070AFUNYP
HGA36070AFUNYP
In Stock
From
$921.47
Square D
70
600
HGA36070AFUO
HGA36070AFUO
In Stock
From
$921.47
Square D
70
600
HGA36070AFUOYP
HGA36070AFUOYP
In Stock
From
$921.47
Square D
70
600
HGA36070AFUP
HGA36070AFUP
In Stock
From
$921.47
Square D
70
600
HGA36070AFUPYP
HGA36070AFUPYP
In Stock
From
$921.47
Square D
70
600
HGA36070AFUR
HGA36070AFUR
In Stock
From
$921.47
Square D
70
600
HGA36070AFURYP
HGA36070AFURYP
In Stock
From
$921.47
Square D
70
600
HGA36070AFUS
HGA36070AFUS
In Stock
From
$921.47
Square D
70
600
HGA36070AFUSYP
HGA36070AFUSYP
In Stock
From
$921.47
Square D
70
600
HGA36070AFYP
HGA36070AFYP
In Stock
From
$921.47
Square D
70
600
HGA36070BC
HGA36070BC
In Stock
From
$921.47
Square D
70
600
HGA36070BCSD
HGA36070BCSD
In Stock
From
$921.47
Square D
70
600
HGA36070BCSDYP
HGA36070BCSDYP
In Stock
From
$921.47
Square D
70
600
HGA36070BCSH
HGA36070BCSH
In Stock
From
$921.47
Square D
70
600
HGA36070BCSHYP
HGA36070BCSHYP
In Stock
From
$921.47
Square D
70
600
HGA36070BCSJ
HGA36070BCSJ
In Stock
From
$921.47
Square D
70
600
HGA36070BCSJYP
HGA36070BCSJYP
In Stock
From
$921.47
Square D
70
600
HGA36070BCSK
HGA36070BCSK
In Stock
From
$921.47
Square D
70
600
HGA36070BCSKYP
HGA36070BCSKYP
In Stock
From
$921.47
Square D
70
600
HGA36070BCSL
HGA36070BCSL
In Stock
From
$921.47
Square D
70
600
HGA36070BCSLYP
HGA36070BCSLYP
In Stock
From
$921.47
Square D
70
600
HGA36070BCSN
HGA36070BCSN
In Stock
From
$921.47
Square D
70
600
HGA36070BCSNYP
HGA36070BCSNYP
In Stock
From
$921.47
Square D
70
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.