Main range of productTrihal product or component typeDry type transformer network typeAC type of installationIndoor product certificationsIEC relay typePTC relay Complementary type of coolingAF (air forced) rated power1600 kVA network frequency60 Hz thermal classF phase description3 phases primary voltage13.8 kV isolation levelSecondary: 1.1 kVPrimary: 17.5 kV [Ui] rated insulation voltagePrimary circuit : 38 kV ACSecondary circuit : 10 kV AC [Uimp] rated impulse withstand voltagePrimary circuit : 95 kV secondary voltage419 V at no load vector groupDyn11 tapping link range+/- 2 x 2.5 % total number of steps5 temperature rise90 K (winding) impedance voltage6 % no-load losses4100 W load losses14500 W at 120 °C operating altitude< 1000 m winding materialAluminium insulation materialCast resin (HV)Pre-impregnated (LV) mounting modeFixedWithdrawable IP degree of protectionIP31 product weight3675 kg height2160 mm width1145 mm length2181 mm sound power level65 dB at 1 m Environment ambient air temperature for operation-50...50 °C (C3) ambient air temperature for storage-50...50 °C (C3) environmental certification0...95 % (E3) fire certificateF1 atmospheric-corrosivity categoryC3M
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