Indoor HV A.C Earthing Switch

JN15-12/31.5 Series Indoor HV A.C Earthing SwitchAmbient 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 magnitude4 The average relative humidity of a day should be no more than 95%,Website:http://www.switchgearfitting.com, 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   frequencywithstand   voltage(1min)kVPole to   ground6.5Lightning   impulse withstand voltageBetween   phases125Mechanical   Lifetimes2000Outline drawing and Installation Dimension of JN15-12/31.5 TableModelEFGHDCJN15-12/31.5-165 16575 160565426JN15-12/31.5-180 18075 160595456JN15-12/31.5-200 20075160635495JN15-12/31.5-210JN15-12/31.5-220 210220 75160655516JN15-12/31.5-230 23075160675536JN15-12/31.5-25025075160695556JN15-12/31.5-2752757516073559696