Main range of productBC Imprego product or component typeDry type transformer network typeAC type of installationIndoor Complementary type of coolingAN (air natural) rated power25 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 temperature rise125 K (winding) impedance voltage2.9 % no-load losses290 W load losses620 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 weight152 kg height520 mm width460 mm length530 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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