1, 800/1100 kV outdoor, extra high voltage, ac disconnector 2, rated current 5000A to 8000A 3, ... SGCC disconnector supplier GW7F-800/1100 kV outdoor extra high voltage AC disconnector1), the main blade adopts horizontally reverse type ... times opening and closing switching current test held by National High Voltage Apparatus Quality Supervision and Inspection Center. The mentioned structure has ...