type:voltage indicator for high voltage application:high voltage ISO9001:2000 brand name :EUNOV 1. Adopts epoxy resin automatic ... situations: Threshold voltage: 4-5 V Uo<10% Un, no voltage signalling (alternative) Uo>15% Un, voltage signalling Uo>45% Un, normal voltage signalling7. ... : 91 x 44 mm12. Adapted sensors: Capacitive insulators with 10pF (40.5kV), 15pF (24kV), 20pF (12kV), 40pF(7.2kV), etc. ...