This type of indoor high-voltage disconnector is an indoor device with a rated 12kV three-phase AC 50Hz, used for opening and closing circuits of indoor high voltage equipment. It can operate when voltage or current is present. Its performance meets the international standards of IEC 129 and GB 1985.
GN19-12 is a flat type.
GN19-12C1 is a wall bushing type for the rotating side device of the isolation switch.
GN19-12C2 is a wall sleeve type for the breaking side device.
GN19-12C3 is a wall bushing type with devices installed on both the rotating and disconnecting sides of
the isolation switch.
1.Altitude: not exceeding 1000 m.
2.Environmental temperature: upper limit+40 °C, lower limit -25 °C.
3.Relative humidity: Daily average not exceeding 95%, monthly average not exceeding 90%. Saturated
vapor pressure: daily average not exceeding 22mbar, monthly average not exceeding 18mbar.
4.Not applicable to places with flammable substances, explosion hazards, chemical corrosion, and severe
vibrations.
5.The indoor product usage environment has no significant pollution.


