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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
HGL36020T
HGL36020T
In Stock
From
$701.00
Schneider Electric
20
600
HGL36050
HGL36050
In Stock
From
$642.17
Square D
50
600
HGL36150U44X
HGL36150U44X
In Stock
From
$1,438.66
Schneider Electric
150
600
HGM36100
HGM36100
In Stock
From
$1,206.56
Square D
100
600
HGM36150
HGM36150
In Stock
From
$1,827.11
Square D
150
600
HGN36125
HGN36125
In Stock
From
$1,966.26
Square D
125
600
HGP36040
HGP36040
In Stock
From
$571.91
Square D
40
600
HGP36070
HGP36070
In Stock
From
$826.31
Square D
70
600
HGP36080
HGP36080
In Stock
From
$189.29
Square D
80
600
HGP36100
HGP36100
In Stock
From
$667.30
Schneider Electric
100
600
HGP36125
HGP36125
In Stock
From
$1,033.85
Schneider Electric
125
600
HJF36060
HJF36060
In Stock
From
$891.52
Square D
60
600
HJL36040
HJL36040
In Stock
From
$704.21
Schneider Electric
40
600
HJL36060U44X
HJL36060U44X
In Stock
From
$2,031.51
Schneider Electric
60
600
HJL36070C
HJL36070C
In Stock
From
$1,409.75
Square D
70
600
HJL36100U31X
HJL36100U31X
In Stock
From
$1,937.92
Square D
100
600
HJL36100U44X
HJL36100U44X
In Stock
From
$3,592.18
Square D
100
600
HJL36110
HJL36110
In Stock
From
$1,617.26
Schneider Electric
110
600
HJL36150
HJL36150
In Stock
From
$1,420.06
Schneider Electric
150
600
HJL36150M74
HJL36150M74
In Stock
From
$1,154.16
Square D
150
600
HJN36100
HJN36100
In Stock
From
$196.84
Schneider Electric
100
600
HJP36015
HJP36015
In Stock
From
$564.71
Square D
15
600
HJP36025
HJP36025
In Stock
From
$104.25
Square D
25
600
HJP36045
HJP36045
In Stock
From
$421.10
Square D
45
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.