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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 THREE CORE CABLES |
| COPPER CONDUCTORS |
STANDARD : IEC 60502-2 |
Uo/U(UM)=8.7/15(17.5)kV |
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| 1. |
Conductor |
| 2. |
Conductor Screen |
| 3. |
XLPE Insulation |
| 4. |
Insulation Screen (Non-Metallic) |
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| 5. |
Insulation Screen (Metallic) |
| 6. |
PP Filler |
| 7. |
Bedding |
| 8. |
Outer Sheath |
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| 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 |
5.9 |
4.5 |
16.1 |
2.4 |
2.4 |
47 |
50 |
3000 |
3200 |
| 11 |
35 |
6.9 |
4.5 |
17.5 |
2.5 |
2.5 |
51 |
54 |
3025 |
3125 |
| 12 |
50 |
8.1 |
4.5 |
18.7 |
2.6 |
2.6 |
54 |
56 |
3550 |
3650 |
| 13 |
70 |
9.7 |
4.5 |
20.3 |
2.7 |
2.7 |
58 |
61 |
4400 |
4500 |
| 14 |
95 |
11.4 |
4.5 |
22.0 |
2.8 |
2.8 |
62 |
64 |
5400 |
5500 |
| 15 |
120 |
12.9 |
4.5 |
23.5 |
2.9 |
2.9 |
65 |
68 |
6250 |
6350 |
| 16 |
150 |
14.3 |
4.5 |
24.9 |
3.0 |
3.1 |
69 |
71 |
7200 |
7400 |
| 17 |
185 |
16.0 |
4.5 |
26.6 |
3.1 |
3.2 |
72 |
76 |
8500 |
8800 |
| 18 |
240 |
18.4 |
4.5 |
29.0 |
3.3 |
3.3 |
78 |
81 |
10550 |
10700 |
| 19 |
300 |
20.4 |
4.5 |
31.0 |
3.4 |
3.5 |
83 |
86 |
12550 |
12750 |
| 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 |
0.359 |
0.17 |
3.575 |
1.302 |
2.000 |
153 |
151 |
146 |
142 |
0.8230 |
| 35 |
0.5240 |
0.344 |
0.19 |
5.005 |
1.371 |
2.000 |
181 |
180 |
174 |
171 |
0.6120 |
| 50 |
0.3870 |
0.329 |
0.21 |
7.150 |
1.455 |
2.000 |
213 |
214 |
206 |
204 |
0.4700 |
| 70 |
0.2680 |
0.314 |
0.23 |
10.010 |
1.569 |
2.000 |
260 |
263 |
251 |
252 |
0.3450 |
| 95 |
0.1930 |
0.306 |
0.25 |
13.585 |
1.686 |
2.000 |
310 |
318 |
301 |
306 |
0.2670 |
| 120 |
0.1530 |
0.296 |
0.27 |
17.160 |
1.791 |
2.000 |
352 |
364 |
342 |
351 |
0.2240 |
| 150 |
0.1240 |
0.288 |
0.29 |
21.450 |
1.890 |
3.125 |
394 |
411 |
383 |
396 |
0.1930 |
| 185 |
0.0991 |
0.280 |
0.32 |
26.455 |
2.007 |
3.125 |
444 |
467 |
432 |
451 |
0.1660 |
| 240 |
0.0754 |
0.271 |
0.35 |
34.320 |
2.175 |
3.125 |
511 |
544 |
500 |
529 |
0.1400 |
| 300 |
0.0601 |
0.260 |
0.39 |
42.900 |
2.316 |
3.125 |
572 |
615 |
561 |
599 |
0.1230 |
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- The code numbers to be read in conjunction with 04020103 at the beginnng. Example for 150 mm² cable, the code number is 0402010316.
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
- LAYING CONDITIONS :
Underground temperature of soil 20°C, Ground thermal resistivity 100°C cm/W, Ambient temperature 30°C. Depth of laying = 700 mm.
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| XLPE INSULATED MEDIUM VOLTAGE CABLES |
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