40.5kv Indoor Hv a. C Earthing Switch

Model NO.: JN22-40.5/31.5
HS Code: 85389000

Ambient Condition:

  1. The height above sea level shall be no more than 1000 meter;
  2. Ambient air temperature: +400C~ -100C
  3. Seismic intensity: no more than 8 magnitude
  4. It shall be installed in the place without dust, fire, chemical erosion, explosion, vapor & salt spray, and the place where the strong vibration may happen.
Main Technical Parameter
Item Unit Data
Rated voltage kV 40.5
Rated short time withstand current(4s) kA 31.5
Rated short circuit making current kA 80
Rated peak withstand current kA 80
The center distance between phases mm 280,300,350
Rated insulation level Power frequency
withstand voltage(1min)
kV Pole to ground 95
Lightning impulse withstand voltage Between phases 185
Outline drawing and installation size of JN22-40.5/31.5
40.5kv Indoor Hv a. C Earthing Switch
40.5kv Indoor Hv a. C Earthing Switch
40.5kv Indoor Hv a. C Earthing Switch



Mating table:
Distance between phase    L    L1      L2     L3 A(installation hole of channels steel back)
280 750 1060 690 3-Φ14
300 790 1100 730  
350 890 1200 830