product detail
GW4 series disconnectors shall be applied to switching of the HV transmission equipment with rated frequency 50Hz or 60Hz when no load is applied to the HV power supply line and electric isolation of the HV electric equipments, such as the HV bus, the breaker, etc. to be overhauled from the charged HV circuit.
Product feature
1.Complete in specifications,high technical parameters is high, wide range. Additional, wide scope of application , it can be used for high layout. Installation way is flexible.
2.Perfect sealing Performance and Resistant To Rust
3.Simple, reliable mechanical rotating way.
4.Perfect dustproof, waterproof, and anti-corrosion ability.
5.Full set of steel galvanized foundation frame and the vertical and horizontal dwang for option.
Service Conditions:
- Altitude:1500m
- Ambient temperature:-45°C ~45°C
- Wind pressure:≤700pa(wind speed 34m/s)
- Earthquake intensity:≤8 degree
- Humidity of air:monthly≤90°C,daily≤95°C
- Environment degree: degree III
- Cannot be use on the condition of the danger of fire and blast,heavy pollution,chemical etching,strong shake ect.
Technical parameter
|
Rated voltage kV |
40.5 |
||
|
Rated current A |
1250, 2000, |
||
|
Rated peak withstand current kA |
Disconnector |
100, |
|
|
Earthing switch |
100 |
||
|
Rated short-time withstand current and duration kA/s |
Disconnector |
50/3 |
|
|
Earthing switch |
50/3 |
||
|
Rated short-time power frequency withstand voltage (rms.) kV |
To earth |
95 |
|
|
Between breaks |
118 |
||
|
Rated lightning impulse withstand voltage (peak) kV |
To earth |
185 |
|
|
Between breaks |
215 |
||
|
Creepage distance |
mm |
1025~1250 |
|
|
Mechanical life |
times |
2000 |
|
|
Motor supply power |
V |
ACV380 |
|
|
Control system voltage |
V |
AC/DC 220V |
|
|
Small capacitive current during opening and closing A |
1 |
||
|
Small inductive current during opening and closing A |
0.5 |
||
|
Radio interference level μV |
≤2500 |
||
|
Rated static mechanical load of the terminal N |
Horizontal longitudinal direction |
1000 |
|
|
Horizontal transverse direction |
750 |
||
|
Vertical force |
750 |
||
|
Weight |
KG |
360~460 |
|
