JN15-12(7.2)/40-100 indoor high-voltage earthing switch is aproduct with international advanced level developed by our company using advanced technology.Its structure is assembled. After comperhensive assesment,its performance meets the requirements of GB1985-2004″High voltage AC disconnector and earthing switch”and lEC62271-102:2002.It is suitable for 3-12kv three phase AC 50Hz power system;it has short circuit closing ability to protect other electrical equipment in the switchgear from damage,can be uesd in conjunction with various high voltage switch cabinets,and can also be used as grounding protection during the maintenance of high voltage electrical equipment.
Aierway JN15-12(7.2)/40-100 Indoor high voltage AC grounding switch
Description
Product introduction
JN15-12(7.2)/40-100 indoor high-voltage earthing switch is aproduct with international advanced level developed by our company using advanced technology.Its structure is assembled. After comperhensive assesment,its performance meets the requirements of GB1985-2004″High voltage AC disconnector and earthing switch”and lEC62271-102:2002.It is suitable for 3-12kv three phase AC 50Hz power system;it has short circuit closing ability to protect other electrical equipment in the switchgear from damage,can be uesd in conjunction with various high voltage switch cabinets,and can also be used as grounding protection during the maintenance of high voltage electrical equipment.
Applying ambient conditions
Environmental conditions for use
1.Altitude not exceeding 1000m
2.Ambient air temperature: upper limit +40°C, lower limit -25°C
3.Earthquake intensity not exceeding 8 degrees
4.Daily average relative humidity not exceeding 95%, monthly average not exceeding 90%
5.Pollution level: Ⅱ
Technical data table
| Project | Unit | Data |
|---|---|---|
| Rated voltage | kV | 40.6 |
| Rated short-time withstand current | kA | 31.5 |
| Rated short-time duration | s | 4 |
| Rated short-time making current | kA | 80 |
| Rated peak withstand current | kA | 80 |
| Rated insulation level/Power frequency withstand voltage (1min) | kV | Pools to ground and phase to phase/95 |
| Rated insulation level/Lightning impulse voltage | kV | Pools to ground and phase to phase/185 |
| Mechanical life | Time | 2000 |
Outline and dimensions of installation
