FZW32-12OUTDOOR HIGH VOLTAGE VACUUM LOAD SWITCH
Product Overview
FZW32-12 outdoor high-voltage isolation vacuum load switch is the development of a new generation of high-voltage electrical products. After strict type testing and long-term test operation assessment, all technical performance indicators have reached GB3408 and IEC standards . It is suitable for rated voltage 12kV, rated current 630A, In a three-phase AC 50Hz power supply network
Working Environment
1. Ambient air temperature: +40 ℃ ～ 30 ℃ ; (lower limit for user's special requirements -45℃ )
2. The altitude does not exceed 1000m, 2000m, 3000m;
3. The wind pressure does not exceed 700Pa (equivalent to wind speed 34m/s);
4. The pollution level does not exceed level IV;
5. There is no frequent severe vibration, and the earthquake intensity does not exceed 8 degrees.
Main Technical Parameters
| No. | Item | Unit | Data |
| 1 | Rated voltage | kV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630 |
| 4 | 1 min Power frequency withstand voltage: vacuum fracture, interphase, to earth/isolated fracture | kV | 42/48 |
| 5 | Lightning impulse withstand voltage: interphase, to earth/isolated fracture | kV | 75/85 |
| 6 | Rated short-time withstand current (thermal stability) | kV | 20 |
| 7 | Rated short duration | s | 4 |
| 8 | Rated peak withstand current (dynamic stability) | kA | 50 |
| 9 | Rated short circuit switching current | kA | 50 |
| 10 | Mechanical life | Times | 1000 |
| 11 | Allowable wear thickness of contact in vacuum arc chamber | mm | 0.5 |
| 12 | Manual operating torque | Nm | ≤ 200 |
| 13 | Weight | kg | 100 |
Appearance And Installation Dimensions
