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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
HGA36030AFBE
HGA36030AFBE
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESD
HGA36030AFBESD
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESDYP
HGA36030AFBESDYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESH
HGA36030AFBESH
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESHYP
HGA36030AFBESHYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESJ
HGA36030AFBESJ
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESJYP
HGA36030AFBESJYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESK
HGA36030AFBESK
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESKYP
HGA36030AFBESKYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESL
HGA36030AFBESL
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESLYP
HGA36030AFBESLYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESN
HGA36030AFBESN
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESNYP
HGA36030AFBESNYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESP
HGA36030AFBESP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESPYP
HGA36030AFBESPYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESR
HGA36030AFBESR
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESRYP
HGA36030AFBESRYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESV
HGA36030AFBESV
In Stock
From
$841.30
Square D
30
600
HGA36030AFBESVYP
HGA36030AFBESVYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBEUA
HGA36030AFBEUA
In Stock
From
$841.30
Square D
30
600
HGA36030AFBEUAYP
HGA36030AFBEUAYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBEUD
HGA36030AFBEUD
In Stock
From
$841.30
Square D
30
600
HGA36030AFBEUDYP
HGA36030AFBEUDYP
In Stock
From
$841.30
Square D
30
600
HGA36030AFBEUH
HGA36030AFBEUH
In Stock
From
$841.30
Square D
30
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.