Main range of productMinera product or component typeOil type transformer network typeAC type of installationIndoor/outdoor product certificationsIS 1180 relay typeOTI relay WTI relay BR relay PRV relay Complementary type of coolingONAN (oil natural air natural) rated power2000 kVA network frequency50 Hz thermal classA phase description3 phases primary voltage11 kV electrical connectionCable box high voltage connectionBus duct low voltage connection isolation level1.0 kV AC secondary12 kV AC primary [Ui] rated insulation voltageSecondary circuit: 3 kV ACPrimary circuit: 28 kV AC [Uimp] rated impulse withstand voltage75 kV secondary voltageOperation/loading as per IS standard: 433 V vector groupDyn11 tapping link range- 15...5 x 2.5 % total number of steps8.0 temperature rise40/45 K (oil and winding insulation) impedance voltage6.25 % operating altitude< 1000 m winding materialCopper mounting modeGround mounted product weight7000 kg height2700 mm width2800 mm length4050 mm Environment ambient air temperature for operation-6…50 °C ambient air temperature for storage-6…50 °C IP degree of protectionIP00 conventional IS 2099IP00 conventional IS 3347IP55 low voltage cable box standardsNEMA environmental certification0…95 % fire certificateLevel 2 ambient air temperature for operation50 °C
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