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NOTICE! RCGC catalogues under circulation are still valid. Some International and National Standards mentioned in RCGC Catalogues.. <more>

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UNARMOURED SINGLE CORE CABLES
ALUMINIUM CONDUCTORS STANDARD : IEC 60502-2 Uo/U(UM)=8.7/15(17.5)kV


UNARMOURED SINGLE CORE CABLES

 1.  Conductor
 2.  Conductor Screen
 3.  XLPE Insulation
 4.  Insulation Screen (Non-Metallic)
 5.  Insulation Screen (Metallic)
 6.  Outer Sheath

 
Item code (1) Size Diameter of Conductor (Approx.) Nominal Insulation Thickness Diameter over Insulation (Approx.) Nominal Outer Sheath thickness Overall Diameter (Approx.) Weight of Cable (Approx.)
CUT CUW CUT CUW CUT CUW
  mm² mm mm mm mm mm mm mm kg/km kg/km
10 25 6.0 4.5 16.6 1.6 1.7 22 24 525 725
11 35 7.1 4.5 17.7 1.7 1.7 24 25 600 775
12 50 8.3 4.5 18.9 1.7 1.7 25 26 675 850
13 70 9.7 4.5 20.3 1.7 1.8 27 28 775 975
14 95 11.6 4.5 22.15 1.8 1.8 28 30 900 1100
15 120 13.0 4.5 23.55 1.9 1.9 30 31 1025 1225
16 150 14.3 4.5 24.9 1.9 1.9 31 33 1150 1400
17 185 15.9 4.5 26.5 2.0 2.0 33 34 1300 1575
18 240 18.4 4.5 29.0 2.0 2.1 36 37 1550 1825
19 300 20.5 4.5 31.1 2.1 2.1 38 39 1775 2050
20 400 24.0 4.5 34.6 2.2 2.3 42 43 2150 2550
21 500 27.0 4.5 37.6 2.3 2.4 45 47 2550 3000
22 630 30.4 4.5 41.0 2.4 2.5 49 50 3075 3500


Size Max. DC Resis- tance at 20°C Inductance Capaci- tance Adiabatic Short Circuit Current for 1 second Current Carrying Capacity (2) Voltage Drop per phase
Trefoil Flat Cond. CUT CUW CUT CUW
Direct Buried In Air Direct Buried In Air
mm² Ohm/km mH/km mH/km mF/km kA kA kA Amps Amps Amps Amps V/A.Km
25 1.2000 0.470 0.780 0.17 2.360 0.434 2.000 128 127 129 130 1.3375
35 0.8680 0.456 0.758 0.19 3.304 0.457 2.000 153 154 154 157 0.9935
50 0.6410 0.440 0.738 0.20 4.720 0.485 2.000 180 185 181 188 0.7571
70 0.4430 0.415 0.706 0.23 6.608 0.523 2.000 220 230 221 233 0.5483
95 0.3200 0.402 0.690 0.25 8.968 0.562 2.000 264 280 265 284 0.4197
120 0.2530 0.389 0.672 0.27 11.328 0.597 2.000 300 324 301 328 0.348
150 0.2060 0.377 0.656 0.29 14.160 0.630 3.125 336 367 336 371 0.2973
185 0.1640 0.366 0.641 0.32 17.464 0.669 3.125 380 422 380 426 0.2516
240 0.1250 0.352 0.621 0.35 22.656 0.725 3.125 441 500 440 504 0.2092
300 0.1000 0.340 0.605 0.39 28.320 0.772 3.125 498 574 495 575 0.1809
400 0.0778 0.327 0.585 0.43 37.760 0.837 4.375 572 676 562 672 0.1556
500 0.0605 0.318 0.570 0.48 47.200 0.919 4.375 651 785 637 776 0.1362
630 0.0469 0.307 0.554 0.53 59.472 1.005 4.375 738 908 718 893 0.1204
 


  1. The code numbers to be read in conjunction with 04120101 at the beginnng. Example for 150 mm² cable, the code number is 0412010116.

    Code number for other types of insulaton screen, Replace the 6th digit as follows:
    2 for S + CUW, 3 for B + CUT; 4 for B + CUW

  2. LAYING CONDITIONS :

    Underground temperature of soil 20°C, Ground thermal resistivity 100°C cm/W, Ambient temperature 30°C. Depth of laying = 700 mm.

XLPE INSULATED MEDIUM VOLTAGE CABLES
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