Hangzhou Yongde Electric Appliances Co.,Ltd
Superior Quality, Superior Service!
Add to Cart
Medium Voltage Three Post Outdoor Electric Isolator Switch GW1-10
Description:
GW1 series outdoor AC isolation switch for AC 50Hz outdoor high voltage electrical equipment, rated voltage 10kV, 15kV, 20kV, for high voltage transmission line under no load condition and opening, electrical isolation and high-pressure line of electrical equipment and charged the maintenance of high voltage bus, circuit breakers and the like, can also small capacitor or inductor current for open.
Condition:
a. The altitude does not exceed 3500 meters.
b. the ambient temperature is not higher than +40℃, not lower than -30 ℃.
c. The wind pressure is not over 700Pa ( equivalent to wind speed 34m/s)
d. The seismic intensity is not over 8 degrees
e. no combustion and explosion dangerous. No violent vibration and impact, no serious corrosion of metallic and insulating material chemical sites.
Specifications:
| Items | Technical parameter | |||
| NO | Type | GW1-10 | GW1-15 | GW1-20 |
| 1 | Rated Voltage kV | 10 | 15 | 20 |
|
2 |
Max working voltage kV | 12 | 17.5 | 24 |
| 3 | Rated frequency Hz | 50 | ||
| 4 | Rated current A | 400 | 630 | 1250 |
| 5 | Rated Short Time withstand current and Time kA/s | 20/4 | 25/4 | 31.5/4 |
| 6 | Rated Peak withstand current kA | 50 | 63 | 80 |
| 7 | 1min power frequency withstand voltage (effective value) kV | To earth | 42 | 45 |
| To phase | 53 | 55 | ||
| 8 | Lightning Impulse wishstand voltage(peak value) KV | To earth | 75 | 105 |
| To phase | 85 | 120 | ||