Water-blocking medium voltage power cables are designed for distribution networks and generation units, and are suitable for external installation, including direct burial in the ground and in cable ducts.
IEC 60502-2 Power Cables with Extruded Insulation and their accessories for Rated Voltages from 1kV (Um=1.2kV) up to 30KV (Um=36kV)
Part 2: Cables for Rated Voltages of 6kV (Um=7.2kV) and 30kV (Um=36kV)
IEC 60228 specifies the nominal cross-sectional areas, in the range 0,5 mm2 to 3500 mm2 for conductors in electric power cables and cords of a wide range of types.
| No.of cores x Nominal cross sectional area | Nominal Conductor Diameter | Nominal Insulation Thickness | Minimum Insulation Thickness | Nominal Sheath Thickness | Approx. Overall Diameter | Approx.Weight | D.C.Resistance of Conductor at 20℃ |
| No. x mm² | mm | mm | mm | mm | mm | Kg/km | Ω/km |
| 1×50/16 | 8.1 | 3.4 | 2.96 | 1.8 | 22 | 554 | 0.387 |
| 1×70/16 | 9.7 | 3.4 | 2.96 | 1.8 | 24 | 692 | 0.268 |
| 1×95/16 | 11.4 | 3.4 | 2.96 | 1.8 | 26 | 847 | 0.193 |
| 1×120/16 | 12.7 | 3.4 | 2.96 | 1.8 | 27 | 1008 | 0.153 |
| 1×150/25 | 14.5 | 3.4 | 2.96 | 1.9 | 29 | 1149 | 0.124 |
| 1×185/25 | 15.9 | 3.4 | 2.96 | 1.9 | 30 | 1344 | 0.0991 |
| 1×240/25 | 18.6 | 3.4 | 2.96 | 2 | 33 | 1550 | 0.0754 |
| 1×300/25 | 20.7 | 3.4 | 2.96 | 2.1 | 36 | 1795 | 0.0601 |
| 1×400/35 | 23.5 | 3.4 | 2.96 | 2.2 | 39 | 2168 | 0.047 |
| 1×500/35 | 26.5 | 3.4 | 2.96 | 2.3 | 42 | 2443 | 0.0366 |
| 1×630/35 | 30.2 | 3.4 | 2.96 | 2.4 | 46 | 2756 | 0.0283 |