MRD power distribution board is in strict compliance with IEC 604398-1 and is widely used in power plant and substations. 

GGD1 AC low voltage power distribution board is designed to conduct electrical energy conversion, distribution and control for power equipment, light facility and power distribution equipment. It is applicable to AC 50Hz, rated working voltage 380V, rated current up to 1000A power station, transformer substation, industrial and mining enterprises.

1. Ambient temperature is between -5 and 40 centigrade, the average temperature is not higher than 35 centigrade within 24 hours

2. Applicable in indoors with altitude less than 2000m

3. Relative humidity is less than 50% when ambient temperature reaches 40 centigrade; high relative humidity is available at lower temperature, for example, the relative humidity is 90% at temperature 20 centigrade.

4. Inclination between equipment and vertical surface is less than 5 degree

5. Installation site should be free from corrosion, violent vibration and shock.

User can not meet the above requirement, please contact us. 

1. Rated insulation voltage: 660V

2. Rated frequency: 50Hz

3. Rated voltage: 380V

4. Auxiliary circuit working voltage: 

AC: 100V, 220V, 380V

DC: 110V. 220V

5. Rated current:

GGD1 400A, 600A(630), 1000A

6.Short-circuit strength

GGD1 breaking capacity 15kA, rated peak withstand current 30kA