30KV Surge Arrester Electrical Distribution System Goods From China

Normal operating conditions for Surge Arrester:

1. The ambient air temperature is no higher than +40°C, no lower than -40 °C .

2. The altitude above sea level does not exceed 1000m. ( the plateau area should be indicated when order.)

3. AC system frequency is 50Hz or 60Hz.

4. Power frequency voltage brought to bear on arrester for a long time does not exceed the continuous operation voltage of the arrester.

5. Maximum wind speed does not exceed 35m/s.

6. Te earthquake intensity does not exceed 7 degrees.

7. The pollution area should be indicated.