China 132KV Freiluft-Hochspannungstrennschalter GW4 Serie Isolator Trennschalter

Ambient Condition:

• Altitude:≤1000-3000m

•Ambient temperature:no more than 40°C and no less than -30°C(no less than -40°C in alpina areas )

 •Wind speed:≤34m/s

•Earthquake intensity:≤8 degree

•Air pollution :IV

•Ice thickness:≤100mm

•the installation location shall be free from flammable ,explosive dangerous articies,chemical corrosion and flerce vibration 

  •The pollution grade of post insulator :o for general type and 2 for pollution resistance type