GW5 outdoor MV isolating switch isused for three-phase AC 50Hz outdoor high voltage electrical equipment,used for the line toswitching under voltagepressed no load condition,and electrical isolation the maintenanced high voltage bus,circuit breakersand other electrical equipment and chargedhigh voltage line,canalso be used for the opening and dosing small capacitanceorinductance current.When the knife in the normal break position,can provide a insulation distance consistent with safetyrequirements.Widely used in 35~110kV substation

GW4 outdoor MV isolation switch is used for three-phase AC 50Hz outdoor high-voltage electrical equipment,switching of linesunder high-voltage no-load conditions,and electrically isolating electrical equipment such as high-voltage busbars,circuitbreakers,and live high-voltage equipment for maintenance voltage lines,can also be used to switchsmall capacitor or inductorcurrent.Whenthe knifeis in the normal open circuit position,it can provide insulation distancethat meets safety requirements Widely used in 35-110kV substations

Operating conditions
1.The altitude does not exceed1000m;
2.Ambientair temperature:-10℃~+40℃;
3.Relative humidity:dailyaverage value is not greater than 95%,monthlyaveragevalue is not greater than 90%;
4.Contamination grades:no serious dust,corrosiveand explosive material place;
5.Earthquake intensity:do notexceed 8 degree;No regularviolent vibration place.

This current transformer isof a whole sealing casting insulation pllar type,usedfor measurement of current and electricenergy aswell as relay protection in theAC circuit of rated frequency 50Hzand rated voltage 10kV.
Standard:IEC 61869-2

GW1series outdoor MV isolate switch is the high voltage switch equipment of composite structure,is suitable for outdoor 12kVline net with voltageand no load,to make opening and close.With  type manpoweroperate machinery,can avoid earth linewith power andcomposite flash-locks etc wrongoperate
c The operatoris no need to put another earth line.Pollution-proof typeisolate switch satisfy customerin fithy conduction area.Itcansolvethe pollution of shed when it is working.