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|
通用代号 |
U70B/140 |
U70B/146 |
U70B/127 |
|
( mm )公称直径 D |
255 |
255 |
255 |
|
( mm )结构高度 H |
140 |
146 |
127 |
|
( mm )公称爬电距离 L |
320 |
320 |
320 |
|
( mm )联接型式 |
16 |
16 |
16 |
|
( kN )机械破坏负荷 |
70 |
70 |
70 |
|
( kN )逐个拉伸负荷试验 |
35 |
35 |
35 |
|
( kV )工频湿耐受电压 |
40 |
40 |
40 |
|
( kV )雷电冲击耐受电压 |
100 |
100 |
100 |
|
( P.U )冲击击穿电压 |
2.8 |
2.8 |
2.8 |
|
( kV )工频击穿电压 |
130 |
130 |
130 |
|
( µV )无线电干扰 ( 10kV,1MHz) |
50 |
50 |
50 |
|
( kV )可见电晕 脚 / 帽 |
18/22 |
18/22 |
18/22 |
|
工频电弧试验 |
0.12s/20kA |
0.12s/20kA |
0.12s/20kA |
|
( kg )绝缘子单片净重 |
3.6 |
3.6 |
3.5 |
供应钢化玻璃绝缘子U70BL
