Overview
GN24-1D (I, II), GN24-1D (I, II) C series indoor isolating switches are indoor devices with rated voltage of 10kV and three-phase AC 50Hz.
Operating Conditions
1. Altitude: ≤ 1000 meters
2. The environment temperature: upper limit +40℃, lower limit -30℃
3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%;
4. The seismic intensity does not exceed 8 degrees;
5. There is no fire, explosion hazard, serious pollution, Places subject to chemical corrosion and severe vibration.
Model and meaning
Technical Data
| Item | Unit | Parameter | |||
| Rated voltage | kV | 12 | |||
| Rated current | A | 400 | 630 | 1000 | 1250 |
| Rated short time withstand current | kA | 16/20 | 16/20/25 | 20/25/31.5 | |
| Rated short-circuit duration | s | 4 | |||
| Rated peak withstand current | kA | 40/50 | 40/50/63 | 50/63/80 | |
| Rated lightning impulse withstand voltage (peak) | kV | 75/85 | |||
| 1min power frequency withstand voltage | 42/48 | ||||
Overall and mounting dimensions(mm)
