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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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  Pages 13 - 13 of 69 records        |  Top   |  Previous  |   Next  |  End  |  
UNARMOURED THREE CORE CABLES
COPPER CONDUCTORS STANDARD : IEC 60502-2 Uo/U(UM)=3.5/6(7.2)kV


UNARMOURED THREE CORE CABLES

 1.  Conductor
 2.  Conductor Screen
 3.  XLPE Insulation
 4.  Insulation Screen (Non-Metallic)
 5.  Insulation Screen (Metallic)
 6.  PP Filler
 7.  Bedding
 8.  Outer Sheath

 
Item code (1) Size Diameter of Conductor (Approx.) Nominal Insulation Thickness Diameter over Insulation (Approx.) Number and Nominal Thickness of Steel Tape 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 mm kg/km kg/km
10 25 5.9 2.5 12.5 2x0.5 1.8 1.8 23 25 800 1000
11 35 6.9 2.5 13.5 2x0.5 1.8 1.8 24 26 925 1100
12 50 8.1 2.5 14.7 2x0.5 1.8 1.8 25 27 1075 1250
13 70 9.7 2.5 16.3 2x0.5 1.8 1.8 27 28 1300 1500
14 95 11.4 2.5 18.0 2x0.5 1.8 1.9 29 30 1500 1825
15 120 12.9 2.5 19.5 2x0.5 1.9 1.9 30 32 1900 2075
16 150 14.3 2.5 20.9 2x0.5 1.9 2.0 32 34 2175 2500
17 185 16.0 2.5 22.6 2x0.5 2.0 2.0 34 35 2600 2850
18 240 18.4 2.6 25.2 2x0.5 2.1 2.1 37 38 3200 3500
19 300 20.4 2.8 27.6 2x0.5 2.1 2.2 39 41 3850 4175
20 400 23.2 3.0 30.8 2x0.5 2.3 2.3 43 44 4775 5200
21 500 26.7 3.2 34.7 2x0.5 2.4 2.4 47 48 5950 6375
22 630 30.4 3.2 38.4 2x0.5 2.5 2.5 51 53 7450 7925


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 0.7270 0.473 0.785 0.26 3.575 0.341 2.000 165 166 166 168 0.849
35 0.5240 0.461 0.760 0.29 5.005 0.364 2.000 197 200 198 203 0.6400
50 0.3870 0.440 0.735 0.32 7.150 0.392 2.000 233 240 234 243 0.495
70 0.2680 0.418 0.708 0.37 10.010 0.430 2.000 284 298 285 302 0.368
95 0.1930 0.406 0.792 0.39 13.585 0.469 2.000 340 363 340 367 0.289
120 0.1530 0.392 0.673 0.44 17.160 0.504 2.000 386 419 385 422 0.246
150 0.1240 0.380 0.658 0.48 21.450 0.537 3.125 432 474 429 477 0.214
185 0.0991 0.369 0.642 0.52 26.455 0.576 3.125 486 543 482 544 0.186
240 0.0754 0.356 0.623 0.56 34.320 0.637 3.125 562 640 555 639 0.1600
300 0.0601 0.346 0.608 0.58 42.900 0.693 3.125 629 730 620 726 0.142
400 0.0470 0.334 0.589 0.61 57.200 0.767 4.375 707 838 686 824 0.127
500 0.0366 0.327 0.576 0.64 71.500 0.858 4.375 795 963 765 937 0.116
630 0.0283 0.315 0.558 0.71 90.090 0.944 4.375 885 1096 845 1058 0.107
 


  1. The code numbers to be read in conjunction with 02020131 at the beginnng. Example for 150 mm² cable, the code number is 0202013116.

    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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