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UN-ARMOURED SINGLE CORE LEAD SHEATHED CABLE
COPPER CONDUCTORS STANDARD : IEC 60502-2 Uo/U (Um)=8.7/15(17.5) kV

UN-ARMOURED SINGLE CORE LEAD SHEATHED CABLE

Code Number (1) Nominal Cross Section Nominal Dia. of Cond. Weight of Cond. Nominal Insulation Thick. Approx. diameter over insulation Nominal Lead Sheath Thick. Nominal PVC Sheath Thick. Approx. External Diameter Approx. Weight of Cable
  mm² mm kg/km mm mm mm mm mm kg/km
10 25 5.9 220 4.5 16.1 1.3 1.7 27 1700
11 35 6.9 305 4.5 17.1 1.4 1.8 28 1950
12 50 8.1 414 4.5 18.3 1.4 1.8 30 2150
13 70 9.7 598 4.5 19.9 1.4 1.8 31 2450
14 95 11.4 827 4.5 21.6 1.5 1.9 34 2950
15 120 12.9 1043 4.5 23.1 1.5 2.0 35 3350
16 150 14.3 1287 4.5 24.5 1.6 20.0 37 3850
17 185 16.0 1610 4.5 26.2 1.6 2.1 40 4400
18 240 18.4 2116 4.5 28.6 1.7 2.2 42 5300
19 300 20.7 2650 4.5 31.1 1.7 2.2 45 6000
20 400 23.2 3384 4.5 33.6 1.8 2.3 48 7200
21 500 26.7 4352 4.5 37.1 1.9 2.4 52 8700
22 630 30.5 5623 4.5 40.9 2.0 2.6 57 10700

Nominal Cross Section DC Resistance at 20°C Inductance Capacitance Short circuit current for 1 sec. Current Carrying Capacity(2) Voltage drop per phase

Trefoil

Flat

Conductor

Screen
Under- ground Cable Cable in Air
mm² ohm/km mH/km mH/km mF/km KA KA A A V/A/km
25 0.727 0.470 0.780 0.17 3.575 1.961 165 170 0.850
35 0.524 0.456 0.758 0.19 5.005 2.223 195 200 0.638
50 0.387 0.435 0.732 0.21 7.150 2.343 230 245 0.494
70 0.268 0.415 0.706 0.23 10.010 2.504 280 305 0.368
95 0.193 0.402 0.690 0.25 13.585 2.877 335 375 0.289
120 0.153 0.389 0.672 0.27 17.160 3.039 385 425 0.245
150 0.124 0.377 0.656 0.29 21.450 3.414 430 485 0.213
185 0.0991 0.366 0.641 0.32 26.455 3.655 490 560 0.185
240 0.0754 0.352 0.621 0.35 34.320 4.189 560 660 0.159
300 0.0601 0.340 0.605 0.39 42.900 4.495 640 750 0.141
400 0.047 0.327 0.585 0.43 57.200 5.095 720 870 0.125
500 0.0366 0.318 0.570 0.48 71.500 5.870 810 1000 0.114
630 0.0283 0.307 0.554 0.53 90.090 6.825 910 1150 0.105


  1. The code numbers to be read in conjuction with 04020701 at the beginning.

    Code number for different types of insulation screen : replace the 6th digit as follows:
    7 for STRIPPABLE + LEAD; 8 for BONDED + LEAD; 9 for GRAPHITE + LEAD

    Example: for 150 mm² Strippable + Lead cable, the code number is 0402070116.

  2. Laying Conditions : Underground temperature of soil 20°C, Ground Thermal resistivity 100°C cm/W, ambient temperature 30°C.

    For other laying conditions, please refer to Table nos. 1 - 5 for derating factors.
   





XLPE INSULATED LEAD SHEATHED MEDIUM VOLTAGE CABLES
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