Main range of productBC Imprego product or component typeDry type transformer network typeAC type of installationIndoor Complementary type of coolingAN (air natural) rated power63 kVA network frequency50/60 Hz thermal classClass H phase description3 phases primary voltage400 V isolation levelSecondary: 1.1 kVPrimary: 1.1 kV [Ui] rated insulation voltagePrimary circuit : 1.1 kV ACSecondary circuit : 1.1 kV AC secondary voltageOff load : 400 V vector groupDyn11 tapping link range+/- 5 % total number of steps2 temperature rise125 K (winding) impedance voltage4.5 % no-load losses480 W load losses1950 W operating altitude< 1000 m winding materialAluminium temperature classH insulation materialImpregnated (LV) mounting modeFixed IP degree of protectionIP21 IK degree of protectionIK07 colour codeRAL 9003 product weight255 kg height901 mm width590 mm length761 mm sound power level65 dB at 1 m Environment ambient air temperature for operation-25...40 °C (C2) ambient air temperature for storage-25...50 °C (C2) environmental certification0...93 % (E2) fire certificateF1 atmospheric-corrosivity categoryC3 standardsEN/IEC 60076-11 Contractual warranty Warranty period18 months
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