1.Rating voltage: 220kV
2.Specialized mechanical bending load:100/160kN
3.Structure height: 2150±30
mm/2240±30mm
4.Min arcing distance:1900mm/1920mm/2020mm
5.Min creepage distance: 5500mm/6350mm/6400mm
6.Lightning impulse voltage: 1175kV
7.Power frequency wet withstand voltage: 540kV