Metal oxide lighting arrester/surge arrester is currently the most advanced over-voltage protecting appliance, is widely used in power generation, power transmission, power distribution system, protection of electrical equipment insulation to exempt the over-voltage harm.
1.The ambient temperature is not high than +40 celsius and not lower than -40 celsius.
2.The altitude above sea level do not exceed 1000-2000m.(Altiplano area should be indicated when order.)
3.The frequency in AC system is 50Hz or 60Hz.
4.Power frequency voltage which has been bearing on arrester for a long time do not exceed continuous operating voltage. 5.Max. wind speed do not exceed 35m/s.
6.Apply to the area where earthquake intensity is not exceed 8 degree.
7.The filthy area should be indicated before.