Environmental conditions:
1. The altitude does not exceed 1000m;
2. Ambient air temperature: upper limit +40 ° C, lower limit -25 ° C;
3. Relative humidity of the surrounding environment: the daily average is not more than 95%, and the monthly average is not more than 90%;
4. The seismic intensity does not exceed 8 degrees;
5. Installation location: no fire, flammable, explosive, serious pollution, chemical corrosion and severe vibration.
The main technical parameters:
| Model | Rated voltage (KV) | Rated voltage (V) | 4 seconds steady current | Dynamic steady current |
| GN19-10(C)400-12.5 | 12 | 400 | 12.5 | 31.5 |
| GN19-10(C)630-20 | 630 | 20 | 50 | |
| GN19-10(C)1000-31.5 | 1000 | 31.5 | 80 | |
| GN19-10(C)1250-40 | 1250 | 40 | 100 |
