GWHY1-27.5 outdoor disconnect switch is used to close and open 27.5kV;50/60Hz line system under with voltage and no load condition it accords with
standards of IEC62271-103: High voltage switches.
1. Altitude: 1000m;
2. Ambient temperature: +50 ~-30;
3. Wind speed: 35m/s;
4. Earthquake intensity: 8 degree;
5. Air pollution: IV;
6. Ice thickness: 10mm;
7. Applicable occasions of normal type switch
should free from chemistry aggradation, dust and other volatile & caustic thing.
Rated short-time withstand current(20,31.5kA)
Rated peak withstand current(50,80kA)
1min P.F withstand voltage (dry)(To earth:95 across open contacts:115kV)