GN38-12 Series isolation switch

description1
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Details
serial number project   unit parameter
1 Rated voltage   kV 20
2 Rated frequency   Hz 50
3 Rated current   A 630-1250
  Rated thermal stability current (4S)   kA 25-31.5
5 Rated dynamic stable current   kA 63-80
6 Rated insulation level 1min power frequency withstand voltage kV Ground and interphase 42, isolation fracture 48
Lightning impulse withstand voltage Ground and interphase 75, isolation fracture 85

Description

GN38 12KV series indoor isolation switch is designed and manufactured to meet the needs of the development of fixed high-voltage cabinets and ring network cabinets to compact and miniaturized. It has a three-station structure, a fully insulated bottom plate, and is equipped with coaxial locking and a perfect mechanical interlocking mechanism, with a compact and small appearance. It is the best choice for compact box-type switchgear.

 

Use environment and conditions

a. Ambient air temperature: upper limit +40°C lower limit -25°C
b. The altitude is below 2000m
c. Relative humidity: the daily average value is not more than 95%, and the monthly average value is not more than 90%. d. The surrounding air should not be significantly polluted by corrosive or flammable gases, water vapor, etc. e. There should be no frequent violent vibrations
d. The surrounding air should not be significantly polluted by corrosive or flammable gases, water vapor, etc.
e. No frequent violent vibrations

Product model and meaning

Shape and installation dimensions

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