Outdoor Gang Isolator Switch Gw1
Product Description
Outdoor Pole Mounted Disconnector
1 ,Product overview
1.1 Application
GW1A type outdoor AC high voltage isolation switch is AC 50Hz/60Hz outdoor device, is used in below 33 kv the supply network, for high voltage line and under the situation with voltage, as well as on the maintenance of high voltage bus, circuit breakers and other electrical equipment with high voltage line charged electrical isolation. But also switch small capacitance current and inductive current.
This product is divided into regular and anti-pollution type two kinds.
CJ6 Motor or CS8-5 rainproof type manual.
This product can be with Arc Extinction Horn or Chamber
This product can be with Conductor in Cable or Soft Busbar
This product cab be with Fuse or without Fuse
1.2 Environmental
- Altitude≤2000m,more higher ,should be redesigning by sea level
- Ambient air temperature:-40≤T≤ +50ºC;
- Wind pressure ≤700Pa;
- Seismic intensity ≤8 degree;
- Radial thickness of ice≤10mm;
2 ,Main technical parameters Pic 1
|
GW2-12W | GW1-24W | GW1-38W | ||||
| Ur kV | 10 | 20 | 33 | ||||
| Volts RMS kV | 12 | 24 | 38 | ||||
| Rated insulation level | 1Min power frequency withstand voltage kV(RMS) | to earth | 40 | 50 | 70 | ||
| Fracture | 47 | 60 | 80 | ||||
| lightning impulse withstand voltage kV(peak value) | to earth | 105 | 125 | 170 | |||
| Fracture | 120 | 145 | 195 | ||||
| Rated frequency Hz | 50/60 | ||||||
| Rated current A | 200,400,630,1250 | ||||||
| The thermal stability of current 4 seconds kA(RMS) | 6.3,12.5,20,31.5 | ||||||
| Dynamic current kA(peak value) | 16,31.5,50,80 | ||||||
| operating mechanism | CJ6 Motor or CS8-5 rainproof type manual | ||||||
| With Fuse | 50A,100A,200A OR NONE | ||||||
| Conductor | CABLE OR SOLF BUSBAR | ||||||
3, Construction
This disconnector(Size as shown in figure 1)is the three-phase on one chassis knife switch, or made up of three single phase.As shown, can be divided into the chassis, insulator and conductive parts, chassis by the rotor and the bending of plate and Angle steel welded frame, chassis fixed six porcelain insulator, and every two composition, mounted on the rotating shaft three-phase insulator to operate, and close movement used to operating three-phase knife, conductive part is composed of contactor, knife and contact, with the spring pressure.
Break-brake in turn by the operating arm shaft rotates, operating insulator up divide the knife and contact with the knife, knife touch the revolving around, contact also in knife leads up to the gate location.
Turn by the operating arm shaft rotates when closing, turns operating insulator with the knife, in and after contact to meet contact rotates, together go to closing position.
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