Main range of productTrihal product or component typeDry type transformer network typeAC type of installationIndoor product certificationsIEC relay typePTC relay Complementary type of coolingAN (air natural) 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 materialCopper insulation materialCast resin (HV)Pre-impregnated (LV) mounting modeFixedWithdrawable IP degree of protectionIP31 product weight3675 kg height2145 mm width1120 mm length2120 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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