Cable technical parameters
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D.C resistance of conductor and Conductor maximum short circuit current
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Nominal cross-sec tional area ㎟
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(Ω/km) Max.D.C resistance of conductor at 20℃
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Maximum allowable short-circuit current of conductor at 90℃ (1 second)
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Copper conductor
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Aluminum conductor
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Copper conductor
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Aluminum conductor
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25
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0.727
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1.2
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3.69
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2.42
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35
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0.524
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0.868
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5.15
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3.37
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50
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0.387
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0.641
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7.31
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4.79
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70
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0.268
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0.443
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10.2
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6.68
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95
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0.193
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0.32
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13.8
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9.03
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120
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0.153
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0.253
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17.4
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11.4
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150
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0.124
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0.206
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21.7
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14.2
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185
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0.0991
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0.164
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26.7
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17.5
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240
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0.0754
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0.125
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34.6
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22.6
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300
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0.0601
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0.1
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43.1
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28.2
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400
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0.047
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0.0778
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57.4
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37.6
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500
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0.0366
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0.0605
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71.7
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47
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630
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0.0283
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0.0469
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88.8
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58
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