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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)=8.7/15(17.5)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 4.5 16.5 1.6 1.8 1.9 28 30 1100 1325
11 35 6.9 4.5 17.5 1.6 1.9 1.9 29 31 1250 1475
12 50 8.1 4.5 18.7 1.6 1.9 1.9 30 32 1425 1625
13 70 9.7 4.5 20.3 1.6 1.9 2.0 32 34 1700 1925
14 95 11.4 4.5 22.0 2 2.0 2.1 35 36 2100 2350
15 120 12.9 4.5 23.5 2 2.1 2.1 36 38 2425 2650
16 150 14.3 4.5 24.9 2 2.1 2.2 38 40 2725 3050
17 185 16.0 4.5 26.6 2 2.2 2.2 40 41 3150 3450
18 240 18.4 4.5 29.0 2 2.3 2.3 42 44 3800 4125
19 300 20.4 4.5 31.0 2.0/2.5 2.3 2.4 44 47 4450 4975
20 400 23.2 4.5 33.8 2.5 2.5 2.5 49 50 5575 6000
21 500 26.7 4.5 37.3 2.5 2.6 2.6 52 54 6775 7250
22 630 30.4 4.5 41.0 2.5 2.7 2.7 57 58 8300 8775


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 0.505 0.796 0.17 3.575 0.434 2.000 165 171 165 173 0.856
35 0.5240 0.484 0.771 0.19 5.005 0.457 2.000 196 206 197 208 0.645
50 0.3870 0.463 0.745 0.21 7.150 0.485 2.000 231 245 232 248 0.5000
70 0.2680 0.441 0.719 0.23 10.010 0.523 2.000 281 303 282 306 0.373
95 0.1930 0.428 0.703 0.25 13.585 0.562 2.000 333 367 333 370 0.294
120 0.1530 0.413 0.684 0.27 17.160 0.597 2.000 375 419 375 422 0.2500
150 0.1240 0.401 0.668 0.29 21.450 0.630 3.125 417 472 415 473 0.219
185 0.0991 0.388 0.652 0.32 26.455 0.669 3.125 465 534 462 535 0.1900
240 0.0754 0.373 0.632 0.35 34.320 0.725 3.125 528 618 523 617 0.163
300 0.0601 0.361 0.616 0.39 42.900 0.772 3.125 583 693 567 683 0.146
400 0.0470 0.346 0.596 0.43 57.200 0.837 4.375 628 767 620 763 0.1300
500 0.0366 0.337 0.582 0.48 71.500 0.919 4.375 685 655 675 849 0.118
630 0.0283 0.325 0.565 0.53 90.090 1.005 4.375 739 943 728 936 0.109
 


  1. The code numbers to be read in conjunction with 04020111 at the beginnng. Example for 150 mm² cable, the code number is 0402011116.

    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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