Product name:JN15A-12 Indoor AC High Voltage Earthing Switch
Summary
JN15A-12 (EK6) indoor HV earthing switch is produced by introducing advanced technical from abroad, it is used for earthing protection in power system of rated voltage 12kV, AC 50/60Hz, it also qualified to make and b reak short circuit.
The earthing switch has separate moving blade and fixed contact as to equip in different domestic metal-enclosed switchgear. This product conforms to IEC60129 and GB1985 standard.
Ambient condition
1. Altitude: 1000m;
2. Ambient temperature: -25 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree.
Product feature
1. Advanced design and steady performance.
2. Simple structures, installation and adjustment.
3. Fast breaking and making capability.
4. Handsome appearance and delicate manufacture craft.
5. Usable and scientific apparatus, be operated on both sides(right and left).
| Item | Unit | Data |
| Rated voltage | KV | 12 |
| Rated short-time withstand current | KA | 31.5 40 |
| Rated short-circuit duration | S | 4 |
| Rated short-circuit making current | KA | 80 100 |
| Rated peak withstand current | KA | 80 100 |
| Central distance between poles | mm | 150,165,210,230,250,000 |
