The ring network cabinet is used in power distribution systems with three-phase rated voltage of 10kv and rated frequency of 50Hz in factories, mines, residential quarters, high-rise buildings, schools, parks, etc., for receiving and distributing electrical energy. Can be used for ring power supply and mid-end power supply.
Environmental conditions used:
1, ambient temperature: upper limit +40 ° C, lower limit -25 ° C
2. The daily average of relative humidity is not more than 95%, and the monthly average is not more than 90%.
3. The altitude does not exceed 1000m.
4. There is no fire, explosion hazard, serious pollution, chemical corrosion and severe vibration.