





2. Fully-insulated,fully-submersible,screened and un-screened product.
3. Can be used in cable branch box matching with the loaded switch socket.
4.Its fully-insulated and fully-sealed connection avoids the critical defects caused by exposed high voltage in bad weather.
5. The ring main unit consisting of crossing connector and bus-bar connector.
6. Has high reliability and low investment.


Product Parameters | ||||
ltem | Unit | Techincal parameter | ||
Rated voltage | kV | 12/20kV | ||
System voltage | kV | 10kV | ||
Rated frequency | Hz | 50Hz | ||
5 min power frequency withstand volatge1min | kV | 54kV no breakdown, no flashover | ||
Lightning impulse voltage | kv | 125kV | ||
Standard | GB/T 12706.4-2020 | |||
Insulation Grade | Grade B | |||
Ambient temparature | ºC | -25ºC~40ºC | ||
Partial discharge test | PC | 20kv<10PC | ||
Shielding resistance | Ω | ≤5000Ω |






