Power cables with plastic insulation

-, -=3, -:, -:=3, -2, -2=3 Armoured mine power cables with plastic insulation of 1,2 kV and 6 kV voltage ("# # 3.67-00214534-004-98) Application: These cables are intended for transmission and distribution of electric power in installations of up to 6 kV voltage, at frequency up to 50 Hz and for laying in horizontal and tilted mines without restriction of difference in levels.Technical performance: AC test voltage:for cables of rated voltage of 1,2 kV is 4 kV;for cables of rated voltage of 6 kV is 12,5 kV.Long-term permissible temperature of conductor:for cables of grades -, -=3, -:, -:=3 is 70