N2XSY 12/20KV
XLPE/CTS/PVC
Construction:
- Conductor
Bare copper circular stranded,according to class 2 of IEC 60228
- Semiconducting layer
Extruded compoud
- Insulation
XLPE compound
- Metallic screen
Copper Tapes
- Sheath
PVC compound ST2 quality or LSOH thermoplastic compound ST8 quality
Applicable standards :
- IEC 60502-2 Design and tests guidelines
- IEC 60228 Conductors
- IEC 60332-1 Flame retardant
- IEC 60332-3 C Fire Retardant on bunched cables
- IEC 60754-1 Halogen free properties
- IEC 61034-1,2 Low smoke emission
| Type* | Voltage | Cross section | Diameter of comductor | Maximum DC Resistance at 20oC | Diameter over insulation approx | Diameter over screen approx | Outer diameter approx | Weight of cable approx | Min bending radius | Phase reactance at 50 Hz approx (*) | Phase capacity approx | Conductor short circuit current | Max current carrying capacity in air 30oC (single core in trefoil format) | Max current carrying capacity in ground (T 20oC ,depth 1 m,gtr km/w) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (KV) | (mm2) | (mm) | Ω/km) | (mm) | (mm) | (mm) | (kg/km) | (mm) | Ω/km) |
(µf/km) | kA/sec | (A) | (A) | |
| RE4H1R | 12/20 | 1x35 | 7.0 | 0.524 | 19.2 | 20.4 | 24.0 | 840 | 340 | 0.14 | 0.16 | 5.2 | 197 | 189 |
| 12/20 | 1x50 | 8.1 | 0.387 | 20.4 | 21.6 | 25.2 | 980 | 350 | 0.13 | 0.17 | 7.4 | 236 | 223 | |
| 12/20 | 1x70 | 9.8 | 0.268 | 21.9 | 23.1 | 26.7 | 1130 | 370 | 0.12 | 0.19 | 10.3 | 293 | 272 | |
| 12/20 | 1x95 | 11.4 | 0.193 | 23.6 | 24.8 | 28.6 | 1520 | 400 | 0.12 | 0.22 | 13.9 | 357 | 326 | |
| 12/20 | 1x120 | 12.9 | 0.153 | 25.1 | 26.2 | 30.0 | 1790 | 420 | 0.11 | 0.24 | 17.5 | 412 | 370 | |
| 12/20 | 1x150 | 14.3 | 0.124 | 26.5 | 27.6 | 31.6 | 2090 | 440 | 0.11 | 0.25 | 21.9 | 468 | 415 | |
| 12/20 | 1x185 | 15.7 | 0.0991 | 28.0 | 29.2 | 33.2 | 2460 | 470 | 0.11 | 0.27 | 26.9 | 536 | 468 | |
| 12/20 | 1x340 | 18.4 | 0.0754 | 30.6 | 31.8 | 36.0 | 3080 | 500 | 0.10 | 0.30 | 34.8 | 637 | 543 | |
| 12/20 | 1x300 | 20.5 | 0.0601 | 33.2 | 34.3 | 38.7 | 3750 | 540 | 0.10 | 0.34 | 43.5 | 731 | 512 | |
| 12/20 | 1x400 | 22.9 | 0.0470 | 35.6 | 36.7 | 41.3 | 4620 | 580 | 0.10 | 0.37 | >50 | 844 | 693 | |
| 12/20 | 1x500 | 26.2 | 0.0365 | 38.8 | 39.9 | 44.7 | 5760 | 630 | 0.09 | 0.41 | >50 | 976 | 785 | |
| 12/20 | 1x630 | 29.9 | 0.0283 | 43.1 | 44.3 | 49.3 | 7280 | 690 | 0.09 | 0.46 | >50 | 1127 | 885 |
(*) trefoil formation