The switch is matched with electronic controller with the latest technology and it could be manual, motor and remote operation modes. This electronic controller would be installed inside the stainless steel box, so it could be used in various of climate conditions.
  Besides that, the wire and wireless modem installed inside control box, it could realize remote monitoring and controlling. It's easy and convenient for installation of the switch on pole, and that could reduce the construction cost.
Environment condition
- Ambient temperature: max. +50°C min. -40°C
- Altitude: ≤1000m (could also be 2000m, 3500m, 5000m as requested)
- Wind pressure: ≤700Pa(equals to wind speed 34m/s)
- Relative humidity: ≤100%
- Air contamination degree: IV degree
- Earthquake intensity: ≤8 degree
- Not be polluted by corrosive or flammable gas
- No frequent violent vibration or explosive place
Technical Data
| Model | GKFLW-12 | GKFLW-24 | GKFLW-40.5 |
| Rated voltage | 12KV | 24kV | 40.5kV |
| Rated current | 630A | 630A | 630A |
| Rated frequency | 50/60Hz | 50/60Hz | 50/60Hz |
| Short time withstand current | 20kA/1sec | 20kA/1sec | 20kA/1sec |
| Making and Breaking Capacity | |||
| Main Active Load Current | 630A | 630A | 630A |
| Number of Load-break Operations | 400 Times | 400 Times | 400 Times |
| Short-time Making Current (peak) | 50kA | 50kA | 50kA |
| Number of Making Current Operations | 5 Times | 5 Times | 5 Times |
| Cable Charging Current | 25A | 25A | 25A |
| Line Charging Current | 1.5A | 1.5A | 1.5A |
| Closed Loop Circuit Current | 630A | 630A | 630A |
| Transformer Magnetizing Current | 22A | 22A | 22A |
| Power Frequency Withstand Voltage Test | |||
|
Wet Condition-10sec Phase to Phase, Phase to Earth, Across Interrupters |
45kV | 50kV | 70kV |
| Dry Condition-1min Phase to Phase, Phase to Earth | 50kV | 64kV | 95kV |
| Dry Condition - 1 min Across Interrupters | 50kV | 79kV | 110kV |
| Impulse Withstand Voltage Test  (1.2 x 50 µs) | |||
| Phase to Earth | 85kV | 125kV | 195kV |
| Across Interrupter | 95kV | 145kV | 215kV |
| Other Ratings & Specifications | |||
| Internal Arc Test | 20kA /0.1 sec | 20kA /0.1 sec | 20kA /0.1 sec |
| Arc Extinction Medium | SF 6 Gas | SF 6 Gas | SF 6 Gas |
| Insulation Medium | SF 6 Gas | SF 6 Gas | SF 6 Gas |
| Creepage Distance (Porcelain Bushing) | 380mm | 700mm | 1055mm |
| Creepage Distance (Silicone Rubber Bushing) | 540mm | 700mm | mm |
| IP Level | 65 | 65 | 65 |
| Mechanical Performance | |||
| Closing/Opening Time | <1sec | <1sec | <1sec |
| Mechanical Operations (Guaranteed) | 10000 Times | 10000 Times | 10000 Times |
| Operating Temperature (Manual Type) | -25~+70ºC | -25~+70ºC | -25~+70ºC |
| Gas Pressure | |||
| Nominal Pressure (MPa, at 20°C) | 0.07 | 0.07 | 0.07 |
| Explosion Pressure (MPa) | 0.4~0.6 | 0.4~0.6 | 0.4~0.6 |
| Minimum Gas Pressure (MPa) | 0.05 | 0.05 | 0.05 |
| Gas Leakage Rate (cc/ sec) | ≤0.5% | ≤0.5% | ≤0.5% |
Outline Dimension
| Dimension (mm) | Mounting Size (mm) | Bushing creepage Distance (mm) |
Packing Size (mm) |
Weight (KGS) |
||||
|  | A | B | C | D | L×W |  | L×W×H |  |
| 12KV | 225 | 500 | 803 | 1056 | 500×125 (390) | 500×125 (390) | 1100×900×700 | 105 |
| 24KV | 300 | 650 | 953 | 1250 | 500×125 (390) | 500×125 (390) | 1300×1100×700 | 145 |
| 40.5KV | 400 | 850 | 1153 | 1380 | 700×125 (390) | 700×125 (390) | PUR Cable PUR cable is a type of cable that is specifically designed to withstand exposure to oil and other petroleum-based substances. The sheath of the cable is made from a material called polyurethane (PUR), which is known for its resistance to oil, chemicals, and abrasion. Oil Resistant PUR Sheathed Cable,Highly Resistant Against Wear Cable,Shielded Polyurethane Cable,Oil Resistant Cable Ruitian Cable CO.,LTD. , https://www.hbruitiancable.com | |