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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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ARMOURED SINGLE CORE CABLES
COPPER CONDUCTORS STANDARD : IEC 60502-2 Uo/U(UM)=6/10(12)kV


ARMOURED SINGLE  CORE CABLES

 1.  Conductor
 2.  Conductor Screen
 3.  XLPE Insulation
 4.  Insulation Screen (Non-Metallic)
 5.  Insulation Screen (Metallic)
 6.  Bedding
 7.  Aluminium Wire Armour
 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 3.4 14.3 1.6 1.8 1.8 26 27 1000 1200
11 35 6.9 3.4 15.3 1.6 1.8 1.8 27 28 1125 1325
12 50 8.1 3.4 16.5 1.6 1.8 1.9 28 30 1275 1500
13 70 9.7 3.4 18.1 1.6 1.9 1.9 30 31 1550 1750
14 95 11.4 3.4 19.8 1.6 1.9 2.0 32 33 1850 2100
15 120 12.9 3.4 21.3 1.6/2.0 2.0 2.0 32 35 2150 2450
16 150 14.3 3.4 22.7 2 2.1 2.1 36 37 2575 2875
17 185 16.0 3.4 24.4 2 2.1 2.1 37 39 2975 3275
18 240 18.4 3.4 26.8 2 2.2 2.2 40 41 3625 3925
19 300 20.4 3.4 28.8 2 2.2 2.2 42 44 4250 4600
20 400 23.2 3.4 31.6 2.0/2.5 2.4 2.4 45 48 5175 5775
21 500 26.7 3.4 35.1 2.5 2.5 2.5 50 52 6525 6950
22 630 30.4 3.4 38.8 2.5 2.6 2.7 54 56 8050 8525


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 0.488 0.790 0.21 3.575 0.383 2.000 165 169 166 171 0.852
35 0.5240 0.472 0.765 0.23 5.005 0.406 2.000 197 204 198 207 0.642
50 0.3870 0.450 0.739 0.25 7.150 0.434 2.000 232 243 232 246 0.497
70 0.2680 0.428 0.713 0.29 10.010 0.472 2.000 282 301 282 304 0.3700
95 0.1930 0.416 0.697 0.31 13.585 0.511 2.000 335 364 335 367 0.292
120 0.1530 0.401 0.678 0.34 17.160 0.546 2.000 376 417 376 421 0.248
150 0.1240 0.390 0.663 0.37 21.450 0.579 3.125 418 469 416 472 0.216
185 0.0991 0.378 0.647 0.40 26.455 0.618 3.125 466 532 463 533 0.188
240 0.0754 0.363 0.627 0.45 34.320 0.674 3.125 529 616 524 615 0.161
300 0.0601 0.351 0.611 0.49 42.900 0.721 3.125 583 690 577 688 0.143
400 0.0470 0.338 0.591 0.55 57.200 0.786 4.375 630 765 620 760 0.128
500 0.0366 0.328 0.576 0.60 71.500 0.867 4.375 686 854 675 846 0.116
630 0.0283 0.317 0.560 0.68 90.090 0.954 4.375 740 941 726 931 0.107
 


  1. The code numbers to be read in conjunction with 03020111 at the beginnng. Example for 150 mm² cable, the code number is 0302011116.

    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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