JN15-12 Earthing Switch JN15-12 Earthing SwitchTechnical DataItemUnitDataRated voltagekV12Rated short-time withstands currentkA31.5, 40Rated continuous time of short circuitS4, 2Rated withstands current (peak)kA80, 100Rated short-circuit breaking currentkA80, 100Interphase center distanceMm150, 210, 230, 250, 275Rated insulation levelPower frequency withstand voltage 1min (RMS)kV42Lighting ...