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  HomeProuductsIEC60092 STANDARD Offshore & Marine Cables

 

IEC60092 STANDARD MariLan Marine Lan Data & Communication Cables

Power Copper Conductors According to IEC 60228

Tinned conductors

Cross section cl.2 cl.5 Cross section cl.2 cl.5
mm² Ohm/km Ohm/km mm² Ohm/km Ohm/km
1.0 18.2 20 70 0.270 0.277
1.5 12.2 13.7 95 0.195 0.210
2.5 7.56 8.21 120 0.154 0.164
4 4.70 5.09 150 0.126 0.132
6 3.11 3.39 185 0.100 0.108
10 1.84 1.95 240 0.0762 0.0817
16 1.16 1.24 300 0.0607 0.0654
25 0.734 0.795 400 0.0475 0.0495
35 0.529 0.565 500 0.0369 0.0391
50 0.391 0.393 630 0.0286 0.0292

Plain conductors

Cross section cl.2 cl.5 Cross section cl.2 cl.5
mm² Ohm/km Ohm/km mm² Ohm/km Ohm/km
1 18.1 19.5 70 0.268 0.272
1.5 12.1 13.3 95 0.193 0.206
2.5 7.41 7.98 120 0.153 0.161
4 4.61 4.95 150 0.124 0.129
6 3.08 3.30 185 0.0991 0.106
10 1.83 1.91 240 0.0754 0.0801
16 1.15 1.21 300 0.0601 0.0641
25 0.727 0.780 400 0.0470 0.0486
35 0.524 0.554 500 0.0366 0.0384
50 0.387 0.386 630 0.0283 0.0287

Correction factors according to IEC 60228 IEC 60228 standard provides electrical resistance of copper conductors at an ambient temperature of 20°C. For other temperatures, correction factors are applied as below:

Temperature (°C) Kt
5 1.064
10 1.042
15 1.020
20 1.000
25 0.980
30 0.962
35 0.943
40 0.926
45 0.909
50 0.893
55 0.877
60 0.862
65 0.847
70 0.833
75 0.820
80 0.806
85 0.794
90 0.781
95 0.769
100 0.758