|
No.
|
Item
|
XGN68-12
|
|
1
|
Rated voltage kV
|
12
|
|
2
|
Rated insulation level
|
1min.power frequency withstand voltage kV
|
Vacuum fracture
To earth 、between 42
Isolation clearance 49
|
|
lighting impulse withstand voltage kV
|
Vacuum fracture To earth 、between 75
Isolation clearance 85
|
|
3
|
Rated frequency Hz
|
50
|
|
4
|
Mistress line rated current A
|
630
|
1250
|
|
5
|
Branch busbar rated current A
|
400 630
|
1000 1250
|
|
6
|
The main circuit rated short-time withstand current and time kA/S
|
20/4
|
25/ 4 31.5/4
|
|
7
|
The main circuit Rated peak withstand current kA
|
50
|
63 80
|
|
8
|
Protection grade
|
IP3X
|
