Joyelectric International is a professional China 12kv earthing switch distributor and agent among those well-known such manufacturers and suppliers, welcome to order 12kv earthing switch products from our factory and company.JN15-12(7.2)/31.5 Series Indoor HV A.C Earthing Switch Ambient Condition:1. The height above sea level shall be no more than 1000 meter;2. Ambient air temperature: 40℃~ -25℃3.Seismic intensity: no more than 8 magnitude 4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%5. Filth degree: IIMain Technical ParameterItemUnitDataRated voltagekV12Rated short time withstand currentkA40Rated duration of short circuitS4Rated short circuit making currentkA100Rated peak withstand currentkA100Rated insulation levelPower frequency withstand voltage(1min)kVPole to ground42Lightning impulse withstand voltageBetween phases 75Mechanical Lifetimes2000Outline drawing and Installation Dimension of JN15-12/31.5  Mating TableProduct ModelAＢＣＤJN15-12/31.5-150150424535396JN15-12/31.5-165165454565426JN15-12/31.5-190190504615476JN15-12/31.5-200200524635496JN15-12/31.5-210210544655516JN15-12/31.5-230230584695556JN15-12/31.5-250250624735596JN15-12/31.5-275275674785646  JN15-12(7.2)/40 Earthing Switch Ambient Condition:1. The height above sea level shall be no more than 1000 meter;2. Ambient air temperature: 40℃~ -25℃3.Seismic intensity: no more than 8 magnitude 4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%5.Filth degree: IIMain Technical ParameterItemUnitDataRated voltagekV12Rated short time withstand currentkA40Rated duration of short circuitS4Rated short circuit making currentkA100Rated peak withstand currentkA100Rated insulation levelPower frequency withstand voltage(1min)kVPole to ground42Lightning impulse withstand voltageBetween phases 75Mechanical Lifetimes2000Outline drawing and installation dimension of JN15-12/40 Mating table:ABCD150424535396210544655516230584695556250624735596275674785646 JN15-12/50 Indoor HV A.C Earthing Switch Ambient Condition:1. The height above sea level shall be no more than 1000 meter;2. Ambient air temperature: 40℃~ -25℃3.Seismic intensity: no more than 8 magnitude 4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%5.Filth degree: IIMain Technical ParameterItemUnitDataRated voltagekV12Rated short time withstand currentkA50Rated duration of short circuitS2Rated short circuit making currentkA125Rated peak withstand currentkA125Rated insulation levelPower frequency withstand voltage(1min)kVPole to ground42Lightning impulse withstand voltageBetween phases 75Mechanical Lifetimes2000Outline drawing and Installation Dimension of JN15-12/50Mating TableABCD210544655516230584695556250624735596275674785646EK6(JN15A)-12/31.5 Indoor HV A.C Earthing Switch Ambient Condition:1. The height above sea level shall be no more than 1000 meter;2. Ambient air temperature: 40℃~ -25℃3.Seismic intensity: no more than 8 magnitude 4 The average relative humidity of a day should be no more than 95%, that of a month should be no more than 90%5.Filth degree: IIMain Technical ParameterItemUnitDataRated voltagekV12Rated short time withstand currentkA31.5Rated duration of short circuitS4Rated short circuit making currentkA80Rated peak withstand currentkA80Rated insulation levelPower frequency withstand voltage(1min)kVPole to ground42Lightning impulse withstand voltageBetween phases 75Mechanical Lifetimes2000Outline drawing and installation dimension of EK6(JN15A)-12/31.5 Mating TableProduct ModelAＢＣＤEK6(JN15)-12/31.5-150150424535396EK6(JN15)-12/31.5-165165454565426EK6(JN15)-12/31.5-190190504615476EK6(JN15)-12/31.5-200200524635496EK6(JN15)-12/31.5-210210544655516EK6(JN15)-12/31.5-230230584695556EK6(JN15)-12/31.5-250250624735596EK6(JN15)-12/31.5-275275674785646JN4-12 Indoor HV Earthing SwitchAmbient Condition:1. The height above sea level:1000~3000m;2. Ambient air temperature: 40℃~ -25℃3.Seismic intensity: no more than 8 magnitude 4.It shall be installed in the place without dust, fire, chemical erosion, explosion, vapor