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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)=6/10(12)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 3.4 14.4 1.5 1.6 20 22 450 625
11 35 7.1 3.4 15.5 1.6 1.6 21 23 500 700
12 50 8.3 3.4 16.7 1.6 1.7 23 24 575 750
13 70 9.7 3.4 18.1 1.7 1.7 24 26 675 850
14 95 11.6 3.4 19.95 1.7 1.8 26 28 800 1000
15 120 13.0 3.4 21.35 1.8 1.8 28 29 900 1100
16 150 14.3 3.4 22.7 1.8 1.9 29 31 1000 1300
17 185 15.9 3.4 24.3 1.9 1.9 31 32 1150 1425
18 240 18.4 3.4 26.8 2.0 2.0 33 35 1400 1700
19 300 20.5 3.4 28.9 2.0 2.1 35 37 1625 1925
20 400 24.0 3.4 32.4 2.1 2.2 39 41 1975 2375
21 500 27.0 3.4 35.4 2.2 2.3 42 44 2375 2800
22 630 30.4 3.4 38.8 2.3 2.4 46 48 2875 3300


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 0.460 0.770 0.21 2.360 0.383 2.000 128 125 129 128 1.3352
35 0.8680 0.440 0.751 0.23 3.304 0.406 2.000 153 152 154 155 0.9899
50 0.6410 0.424 0.731 0.25 4.720 0.434 2.000 180 182 181 186 0.7535
70 0.4430 0.401 0.700 0.90 6.608 0.472 2.000 220 226 222 231 0.5451
95 0.3200 0.383 0.681 0.31 8.968 0.511 2.000 264 277 265 282 0.4154
120 0.2530 0.376 0.666 0.34 11.328 0.546 2.000 300 320 301 325 0.345
150 0.2060 0.364 0.650 0.37 14.160 0.579 3.125 336 363 336 369 0.2943
185 0.1640 0.354 0.635 0.40 17.464 0.618 3.125 380 418 380 423 0.2489
240 0.1250 0.341 0.615 0.45 22.656 0.674 3.125 442 497 440 501 0.2067
300 0.1000 0.329 0.599 0.49 28.320 0.721 3.125 498 570 495 573 0.1784
400 0.0778 0.318 0.580 0.55 37.760 0.786 4.375 571 672 562 669 0.1535
500 0.0605 0.308 0.565 0.60 47.200 0.867 4.375 651 781 636 773 0.1339
630 0.0469 0.299 0.549 0.68 59.472 0.954 4.375 736 905 716 889 0.1186
 


  1. The code numbers to be read in conjunction with 03120101 at the beginnng. Example for 150 mm² cable, the code number is 0312010116.

    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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