66kv current transformer transformer 1,outdoor single phase 2, ISO9001:2008 3,organic insulation dry-type Outdoor organic insulation current transformer 66kv ... of measuring winding0.2, 0.2s, 0.5, 0.5sAccuracy of protection winding5p or 10pRated secondary ... output20-50VAAccuracy limit factors15, 20, 25, 30Instrument security factor≤5 or 10Partial discharge under 1.2Um/√3Kv≤5PcDielectric dissipation ...