Ring Main UnitNormal Operating Condition:1. Altitudele; 1000m( pls mark out when ordering if special demand)2. Ambient temperature: -25-+40;3. Daily relative humidity average value is not higher than 95%; Monthly relative humidity average value is not higher than 90%.4. Quakeproof capacity: Eight degree5. Without any violent vibration or shock, fire, chemical corrosion and explosive danger etc.ApplicationThe XGN15-12 SF6 Ring Net Cabinet is applied to AC 50Hz and 12KV power system, it is widely used for industrial and civil cable ring net and power supply terminal project and for receiving and distribution of electric power. It is especially suitable for following places: City residential area, power distrbution, miniature secondary transformer substation, switch station, non-mine enterprise, shopping mall, airport, subway, wind power generation, hospital, palestra, railway and tunnel etc.