... indicator,sensor indicator,high voltage indicator,indicator,high voltage live display device,high voltage display,led display,voltage indicator,device indicator,transducer ... %Operating temperature+40°C~ -30°CApplication:GL-3 series high voltage indicator is adapted for indoor,rated voltage 3~40.5kV, ... GL-3 is a combination unit for indicating the voltage presence on M.V.cubicles by being installed on ...