- Product Description
-
First, the standard station design, in line with the requirements of "GB1984-2014 high voltage AC circuit breaker"
Second, select Baoguang vacuum tube to ensure that the electrical life is in line with the national network E3 requirements.
Third, the cast human arm is carefully cast to ensure long-term operation and stable mechanical characteristics.
Fourth, large insulation board protection, electric field optimization design, to ensure the power frequency withstand voltage lightning impulse voltage qualified
5. All conductive parts and metal parts are rounded to optimize the electric field design and further improve the reliability of the switch.
Sixth, the grounding switch form is optional.
|
序号 |
断路器电气参数 |
|
|
1. |
开距 |
8~10 mm |
|
2. |
超程 |
2~3mm |
|
3. |
相间中心距 |
150mm±2 |
|
4. |
三相合闸不同期 |
≤2ms |
|
5. |
三相分闸不同期 |
≤2ms |
|
6. |
合闸弹跳 |
≤2ms |
|
7. |
分闸弹跳 |
≤2ms |
|
8. |
合闸速度 |
0.6ms±0.2 |
|
9. |
分闸速度 |
1.2ms±0.2 |
|
10. |
工频耐压 |
42/45kV |
|
11. |
雷电冲击电压 |
75/85kV |
|
12. |
机械寿命(断路器) |
10000次 |
|
13. |
电气寿命 |
E3级 |
|
14. |
主回路电阻 |
≤150μΩ |
|
15. |
开断、动热稳定性及峰值耐受电流 |
20kA，20kA/4S，50KA |
|
16. |
温升 |
1.1x630A |