This series of isolation switches meet the requirements of gb 1985-89 "AC high-voltage isolation switch" IEC129(1984) "AC isolation switch ground switch" and IEC694(1980) "high voltage switching equipment and control equipment sharing provisions".
1. Altitude: 1000-3000m;
2.Ambient temperature is not higher than +40"C, no less than -30℃ (cold area not less than -40℃);
3.The wind pressure shall not exceed 700Pa(equivalent to the wind speed of 34m/s);
4, the earthquake intensity does not exceed 8 degrees;
5.The icing thickness shall not be more than I 0mm;
6. The installation site shall be free from inflammable, explosive and dangerous goods, chemical corrosion and violent vibration;
7. Pollution level of pillar insulators: 0 for ordinary type and II for anti-pollution type .
Main technical parameters
Outline and mounting dimensions