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CABLES AND WIRES - Novkabel

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[Type text]Conductor resistanceTable: Resistance of copper (Cu) and aluminium (Al) conductorClass 1 Class 2 Classes 5 and 6NominalcrosssectionCu wirewithoutcoverCu wire withmetal coverAlCu wirewithoutcoverCu wire withmetal coverAlCu wirewithoutcoverCu wirewith metalcoverмм 2 Ω/км Ω/км Ω/км Ω/км Ω/км Ω/км Ω/км Ω/км0,14 - - - - - - 138,0 148,00,25 - - - - - - 79,0 82,00,34 - - - - - - 57,0 59,00,5 36,0 36,7 - 36,0 36,7 - 39,0 40,10,75 24,5 24,8 - 24,5 24,8 - 26,0 26,71,0 18,1 18,2 - 18,1 18,2 - 19,5 20,01,5 12,1 12,2 - 12,1 12,2 - 13,3 13,72,5 7,41 7,56 - 7,41 7,56 - 7,98 8,214 4,61 4,70 - 4,61 4,70 - 4,95 5,096 3,08 3,11 - 3,08 3,11 - 3,30 3,3910 1,83 1,84 3,08 1,83 1,84 3,08 1,91 1,9516 1,15 1,16 1,91 1,15 1,16 1,91 1,21 1,2425 0,727 - 1,20 0,727 0,734 1,20 0,780 0,79535 0,524 - 0,868 0,524 0,529 0,868 0,554 0,56550 0,387 - 0,641 0,387 0,391 0,641 0,386 0,39370 0,268 - 0,443 0,268 0,270 0,443 0,272 0,27795 0,193 - 0,320 0,193 0,195 0,320 0,206 0,210120 0,153 - 0,253 0,153 0,154 0,253 0,161 0,164150 0,124 - 0,206 0,124 0,126 0,206 0,129 0,132185 0,101 - 0,164 0,0991 0,100 0,164 0,106 0,108240 0,0775 - 0,125 0,0754 0,0762 0,125 0,0801 0,0817300 0,0620 - 0,100 0,0601 0,0607 0,100 0,0641 0,0654400 0,0465 - 0,0778 0,0470 0,0475 0,0778 - -500 - - 0,0605 0,0366 0,0369 0,0605 - -213Class 1: single-wire conductorsClass 2: stranded conductors (round and sector shaped)Class 5: multi-wire conductorsClass 6: multi-wire conductors for particularly flexible cablesFor calculation of the resistance value at other temperatures use the following formulas:Cu:Al:t – conductor temperature (°C)R 20 – conductor resistance at 20°C (Ω/km)R t – conductor resistance at t°C (Ω/km)

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