JN15A-12Indoor high voltage grounding switch
1. Model No.: JN15A-12 10KV high voltage electric earthing switch
2. Standard: GB 1985-2004 AC high voltage disconnect switch and earthing switch, IEC62271-102:2002
3. Application:KYN-28, KYN61-40.5 HV switchgear and various types HV switchgear, Indoor 3 phase AC 50(60)Hz power system.
4. Main function: Used for earthing protection
5.Using environment:
1,Ambient air temperature limit: +40, lower limit: -20 degrees centigrade
2,The altitude is not more than 1000mm. If more than 1000mm, please indicate when ordering;
3,The daily average value of relative humidity :≥95%, and the monthly average value :≥ 90%;
4,The intensity of the earthquake is not more than 8 degrees;
5.Mechanical life: 2000 times.
6,gradation for surface pollution: II.
Basic parameters:
|
Item |
Item | Data | |
| Rated voltage | kV | 12 | |
| Thermally stable current | kA | 31.5 | |
| Short-term on-off current | kA | 80 | |
| DYNAMIC STABLE CURRENT | kA | 80 | |
| Rated insulation leve | power frequency withstand voltage | kV | 42 |
| Lighting impulse voltage | kV | 75 | |
| Interpole centre distance | mm | 150;210;230; 250;275 | |
