product detail
Product Description
Product Description
GW5 Type serial High Voltage isolator the series of disconnecting switches comply with requirements in GB1985-2004.
High-voltage Alienating Disconnecting Switches and Earthing Switches,IEC62271-102:2002AC Disconnecting Switches and Earthing Switches ,and IEC60694:1996 Common Clause for High voltage Switchgear and Control Devices.
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:1000m~3000m
?Ambient temperature:-30°C ~-40°C
?Wind pressure:≤700pa(wind speed 34m/s)
?Earthquake intensity:≤8 degree
?Rative 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
| No | Items | Technical parameter | ||
| 1 | Rated Voltage kV | 33 ,35,36,40.5 | 72.5 | |
| 2 | Nominal system voltage kV | 35 | 66 | |
| 3 | Rated current A | 630;1250;1600;2000;2500;3150;4000 | ||
| 4 | Rated Short Time withstand current and Time kA/s | 25~50/4 | ||
| 5 | Rated Peak withstand current kA | 63~125 | ||
| 6 | 1min power frequency withstand voltage (effective value) kV | To earth | 95/85 | 140 |
| To phase | 95/85 | 140 | ||
| Across Isolating DS | 118 | 180 | ||
| 7 | Lightning Impulse wishstand voltage(peak value) KV | To earth | 185 | 325 |
| To phase | 185 | 325 | ||
| Across Isolating DS | 210 | 385 | ||
| 8 | Rated mechanical terminal load N | Level of lateral load | 500 | 750 |
| Level of vertical load | 250 | 500 | ||
| Vertical | 500 | 750 | ||
| 9 | The min distance of insulation against ground mm | 300 | 500 | |
| 10 | Max Man Operative Moment N. m | 200 | ||
| 11 | Motor Drive operating mechanism control voltage V | AC220,380; DC110,220 | ||
| 12 | Motor Drive operating mechanism motor voltage V | AC220,380; DC110,220 | ||