27.5（55）kV High voltage outdoor isolating switch
Time：2019-09-15
Source：
Browse：次
 Product Introduction |
 |
|
| |
Application |
GW4-27.5(55) Isolating switch
Main Technical Parameter
|
No.
|
Item
|
GW4-27.5（55）
|
|
1
|
Rated voltage kV
|
27.5（55）
|
|
2
|
Rated current A
|
630 ，1250 ，1600 ，2000
|
|
3
|
Rated short-time withstand current and time kA/S
|
25/4
|
|
4
|
Rated peak withstand current kA
|
63
|
|
6
|
lighting impulse withstand
voltage kV
|
breaks
|
215（375）
|
|
To earth、Between
|
185（325）
|
|
7
|
1min.power frequency withstand voltage kV
|
breaks
|
95（160）
|
|
To earth、Between
|
85（140）
|
|
8
|
Cut drag the capacitance current A
|
8
|
|
9
|
Ice thickness mm
|
10
|
|
