GN27-40.5 disconnect switch is an indoor electric apparatus used in rated voltage 40.5kV, three-phase AC 50/60Hz system.
- Altitude: < 1000m;
- Ambient temperature: -25°C~+40°C;
- Relative humidity: daily average <95%, monthly average <90%;
- Earthquake intensity: <8 degree;
- Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.