China Gw4 Series High Voltage Disconnecting Switch

Company Introduction:
Dehler Technology Co., Ltd. specializes in producing high and low voltage switchgear, box type substation, cable branch box, outdoor vacuum circuit breaker, isolation switch, grounding switch, load switch and low voltage components and other products.
Main Technical Parameter

ClassificationTypeRated voltage(KV)Rated current(KV)Rated switchGround switchGround switchRated peak valuetolerant current(KV)Rated short-time valuetolerant current(KV)Rated peak valuetolerant current(KV)Rated short-time valuetolerant current(KV)ecumenic(antipollution)GW412400-10005020(4s)508020(4s)31.5(4s)earth-free
one-earth
two-earth17.5400-6308031.5(4s)40.5400-12508031.5(4s)

Service Conditions
a.Altitude must not exceed 3500m;
b.The ambient temperature is not higher than+40t, not lower than-30ºC ; (temperature in high and cold regions is not lower than -40ºC);
c.The wind pressure is not over 700 Pa (equivalent to wind speed 34 m/s);
d.The seismic intensity is not over 8 degrees;
e.Thickness of covering ice must not exceed 10 mm;
f.No explosive and flammable things, corrosive chemicals and violent vibration in its surroundings;
g.Pillar insulators' anti-dirt grade: Common type is class 0,anti-dirt type is class IV.
h.This series meets requirements offered by GB1985-89<Alternating current and high voltage insulating switch>IEC 129(1984)<Altematingcurrent insulating and earthing switchesand> IEC694(1980)<regulations for high voltages switchgear and control gear>