Aluminium Plain Copper Nominal Area of Conductor Max. D.C. Resistance at 20 °C Approx A.C. at Operating Temp. 70 °C Max. D.C. Resistance at 20 °C Approx A.C. at Operating Temp. 70 °C Sq. mm Ohm/km Ohm/km Ohm/km Ohm/km 1.5 - - 12.1 14.5 2.5 - - 7.41 8.87 4 7.41 8.90 4.61 5.52 6 4.61 5.54 3.08 3.69 10 3.08 3.70 1.83 2.19 16 1.91 2.30 1.15 1.38 25 1.20 1.44 0.727 0.870 35 0.868 1.04 0.524 0.627 50 0.641 0.770 0.387 0.463 70 0.443 0.532 0.268 0.321 95 0.320 0.385 0.193 0.231 120 0.253 0.305 0.153 0.184 150 0.206 0.249 0.124 0.149 185 0.164 0.198 0.0991 0.120 240 0.125 0.152 0.0754 0.0912 300 0.100 0.123 0.0601 0.0739 400 0.0778 0.0975 0.0470 0.0592 500 0.0605 0.0767 0.0336 0.0468 630 0.0469 0.0614 0.0283 0.0379 800 0.0367 0.0501 0.0221 0.0314 1000 0.0291 0.0420 0.0176 0.0271    Home | Company Profile | Products | Clients | Technical Parameters | Quality Assurance | Feedback | Contact Us