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ARMOURED THREE CORE CABLES
COPPER CONDUCTORS STANDARD : IEC 60502-2 Uo/U(UM)=8.7/15(17.5)kV


ARMOURED 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.  Steel Wire Armour
 9.  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 4.5 16.1 2.5 2.6 2.6 52 55 5175 5400
11 35 6.9 4.5 17.5 2.5 2.7 2.7 56 59 5400 5650
12 50 8.1 4.5 18.7 2.5 2.8 2.8 60 62 6100 6300
13 70 9.7 4.5 20.3 2.5 2.9 2.9 63 66 7050 7300
14 95 11.4 4.5 22.0 2.5 3.0 3.1 67 71 8200 8600
15 120 12.9 4.5 23.5 2.5 3.2 3.2 72 74 9500 9725
16 150 14.3 4.5 24.9 2.5/3.15 3.3 3.4 75 79 10650 11900
17 185 16.0 4.5 26.6 3.15 3.4 3.5 80 83 13000 13400
18 240 18.4 4.5 29.0 3.15 3.6 3.7 86 89 15400 15800
19 300 20.4 4.5 31.0 3.15 3.8 3.8 91 94 17725 18100


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
Cond. CUT CUW CUT CUW
Direct Buried In Air Direct Buried In Air
mm² Ohm/km mH/km mF/km kA kA kA Amps Amps Amps Amps V/A.Km
25 0.7270 0.413 0.17 3.575 1.302 2.000 150 149 143 141 0.835
35 0.5240 0.394 0.19 5.005 1.371 2.000 178 177 171 169 0.624
50 0.3870 0.379 0.21 7.150 1.455 2.000 208 209 201 201 0.481
70 0.2680 0.364 0.23 10.010 1.569 2.000 253 258 245 247 0.357
95 0.1930 0.356 0.25 13.585 1.686 2.000 301 309 292 298 0.278
120 0.1530 0.346 0.27 17.160 1.791 2.000 339 351 330 340 0.235
150 0.1240 0.338 0.29 21.450 1.890 3.125 377 395 366 381 0.204
185 0.0991 0.330 0.32 26.455 2.007 3.125 421 445 411 432 0.177
240 0.0754 0.321 0.35 34.320 2.175 3.125 479 513 470 500 0.152
300 0.0601 0.312 0.39 42.900 2.316 3.125 530 573 520 560 0.134
 


  1. The code numbers to be read in conjunction with 04020123 at the beginnng. Example for 150 mm² cable, the code number is 0402012316.

    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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