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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
HGA260804
HGA260804
In Stock
From
$651.19
Square D
80
600
HGA260901
HGA260901
In Stock
From
$1,021.37
Square D
90
600
HGA260902
HGA260902
In Stock
From
$1,021.37
Square D
90
600
HGA260904
HGA260904
In Stock
From
$1,021.37
Square D
90
600
HGA261001
HGA261001
In Stock
From
$952.25
Square D
100
600
HGA261251
HGA261251
In Stock
From
$1,612.10
Square D
125
600
HGA261252
HGA261252
In Stock
From
$1,753.22
Square D
125
600
HGA261502
HGA261502
In Stock
From
$408.77
Square D
150
600
HGA261504
HGA261504
In Stock
From
$617.28
Square D
150
600
HGA36020SN
HGA36020SN
In Stock
From
$850.49
Square D
20
600
HGA36035AF
HGA36035AF
In Stock
From
$1,167.67
Square D
35
600
HGA36045ABBEUDYP
HGA36045ABBEUDYP
In Stock
From
$1,067.39
Square D
45
600
HGA36060SA
HGA36060SA
In Stock
From
$1,442.60
Square D
60
600
HGA36070AEBHUHYP
HGA36070AEBHUHYP
In Stock
From
$1,807.38
Square D
70
600
HGA36090AABKSNYP
HGA36090AABKSNYP
In Stock
From
$1,669.79
Square D
90
600
HGA36090SNYP
HGA36090SNYP
In Stock
From
$1,669.79
Square D
90
600
HGA36100U33XYP
HGA36100U33XYP
In Stock
From
$371.20
Square D
100
600
HGA36150AASNYP
HGA36150AASNYP
In Stock
From
$3,139.88
Square D
150
600
HGB2K020
HGB2K020
In Stock
From
$432.23
Siemens
20
600
HGB2K030
HGB2K030
In Stock
From
$432.23
Siemens
30
600
HGF26060
HGF26060
In Stock
From
$375.37
Square D
60
600
HGF36030
HGF36030
In Stock
From
$577.12
Schneider Electric
30
600
HGF36035
HGF36035
In Stock
From
$290.61
Square D
35
600
HGF36040
HGF36040
In Stock
From
$339.88
Square D
40
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.