序号NO. |
名称
Designation |
单位
Unit |
数据
Data |
1 |
额定电压
Rated voltage |
KV
|
12 |
2 |
额定绝缘水平
Rated insulation
lcvcl |
Imin 工频耐压
Imin industrial frequency withstand voltage |
42 |
雷电冲击耐压
Thunder impulse witstnd voltage |
75 |
直流耐压(负极性)
DC withstand voltage(Negative polarity) |
52 |
3 |
额定电流
Rated current |
A |
630 |
4 |
额定短时耐受电流(有效值)
Rated little withstand current(virtual value) |
KA |
20(3s) |
5 |
额定短路关合电流
Rated short-circuit close current |
50(0.3s0 |
6 |
额定短路关合电流(峰值)
Rated short-circuit close current(peak value) |
50 |
7 |
额定热稳定电流
Rated heat stabilization current |
20(3s) |
8 |
额定动稳定电流(峰值)
Rated moving stabilization current(peak value) |
50(0.3s0 |
9 |
额定有功负荷开断电流
Rated active load breaking current |
A |
630(>100次) 630(>100imes) |
10 |
开断电容电流
Breaking inductive current |
45 |
11 |
开断电感电流
Breaking inductive current |
16 |
12 |
额定SF6压力
SF6 rated pressure |
|
0.45表压Gauge pressure |
13 |
局部放电
Part discharge |
Pc |
≤3(试验电压 Test voltage 15kv) |
14 |
适用电缆截面
Applicable cable section |
mm2 |
≤300 |
15 |
壳体防护等级
Proteetion grade of enclosure |
|
IP33 |
16 |
机构寿命
Mechanism life |
次(times) |
2000 |
主要技术参数
