High Voltage JN15-12(7.2)/40 Grounding Switch easily assembled, quick breaking in the usage.
It conforms with the standard of GB1985-2004 about the load disconnect switch and earth switch and need the demands of IEC62271-102:2002.
Application in the three phase AC with 50Hz, the range of 3-12kV.
Ambient condition:
1.Altitude ≤1000m
2.Ambient temperature:-25°C~+40°C
3.Relative humidity:daily average≤95%,monthly average≤90%
4.Earthquake intensity:≤ 8 degree.
Technical specification:
item | unit | |
Rated voltage | kV | 12 |
Rated short-time withstand current | kA | 40 |
Rated short-circuit duration | s | 4 |
Rated short-circuit making current | kA | 100 |
Rated peak withstand current | kA | 100 |
Power frequency withstand voltage | kV | 42 |
Lightning impulse withstand voltage | kV | 75 |
Installation drawing
High Voltage JN15-12(7.2)/40 Grounding Switch