- The N2XSY cable is a medium voltage cable (MV) with XLPE insulation and PVC sheath, designed for power distribution up to 36 kV.
- Resistance to humidity and corrosion
- Stable electrical performance
- Mechanical robustness
- Tailor -made service
Product description
The N2XSY cable is a medium voltage copper cable, insulated in XLPE and designed for the transmission and distribution of electrical energy. It complies with international standards such as IEC 60502 and the IEC 60228, guaranteeing reliability and safety. It is mainly used in underground networks, industrial facilities and urban infrastructure. Thanks to its high conductivity copper conductor and robust insulation, N2XSY cable offers long life, excellent electrical performance and optimal safety, even in demanding environments.
Construction
| Tension nominale | 6/10(12)kv 12/20(24)kv 18/30(36)kv |
| Driver | Toronne copper driver (Class 2) compacted according to IEC standard 60228. |
| Isolation | XLPE |
| Semiconductor display | Internal and external semiconductor display |
| Metal screen | Copper wire or copper strip |
| Outer sheath | PVC |
Applications of N2XSY cable
- Medium voltage distribution networks (MT) – Used for the transmission and distribution of electrical energy in underground networks up to 36 kV.
- Industrial Plants – Suitable for factory power systems, transformation stations and heavy equipment.
- Urban infrastructure and public networks – Ideal for urban electricity networks, Tunnels, hospitals or airports.
- Electrical substations and power stations – Used for connection between transformers, generators and distribution boards.
- Installation outdoors or in conduits – Can be installed in the open air, in conduit or directly buried thanks to its robust and moisture-resistant PVC sheath.
- Fixed Applications – Designed for fixed installations where high reliability and reinforced insulation are required.
Standard
Compliant with IEC standard 60502-2 / NF C 33-226, IN 60228
Flame retardant according to IEC/EN 60332-1-2
UV resistant
Parameters – N2XSY XLPE Cable / PVC
| Element | Technical data |
| Tension nominale (Uo/U)(One) | 6/10 (12) kV, 12/20 (24) kV, 18/30 (36) kV |
| Driver | Stranded annealed copper (Class 2) according to IEC 60228 |
| Isolation | XLPE (Cross-linked polyethylene) |
| Insulation thickness | 3,4 mm (6/10 kV), 5,5 mm (12/20 kV), 8,0 mm (18/30 kV) |
| Test voltage (A.C. 5 min) | 21 kV (6/10 kV), 42 kV (12/20 kV), 63 kV (18/30 kV) |
| Metal screen | Copper wires or tape |
| Outer sheath | PVC type ST2 selon IEC 60502-2 |
| Maximum conductor temperature in service | 90°C |
| Maximum short-circuited driver temperature (5s) | 250°C |
| Initial temperature at short circuit for the metal screen | 80°C |
| Operating temperature range | -20°C to +90°C |
| Minimum bend radius | 15 × exterior diameter of the cable |
| Minimum installation temperature | ≥ 0°C |
Technical data
Cable N2XSY XLPE PVC-6/10(12) kV
| Number of drivers | Nominal conductor section (mm²) | Nominal section of the metal screen (mm²) | Nominal thickness of insulation (mm) | Nominal sheath thickness (mm) | Nominal external diameter (mm) | Poids nominal (kg/km) |
| 1 | 50 | 16 | 3.4 | 1.7 | 21.8 | 897 |
| 1 | 70 | 16 | 3.4 | 1.7 | 23.6 | 1117 |
| 1 | 95 | 16 | 3.4 | 1.8 | 25.1 | 1387 |
| 1 | 120 | 16 | 3.4 | 1.8 | 26.5 | 1636 |
| 1 | 150 | 25 | 3.4 | 1.9 | 28.5 | 2020 |
| 1 | 185 | 25 | 3.4 | 1.9 | 30 | 2361 |
| 1 | 240 | 25 | 3.4 | 2 | 32.6 | 2952 |
| 1 | 300 | 25 | 3.4 | 2.1 | 35 | 3521 |
| 1 | 400 | 35 | 3.4 | 2.2 | 38 | 4450 |
| 1 | 500 | 35 | 3.4 | 2.3 | 41.6 | 5457 |
| 1 | 630 | 35 | 3.4 | 2.4 | 46.5 | 6893 |
| 1 | 800 | 35 | 3.4 | 2.5 | 50.8 | 8694 |
Cable N2XSY XLPE PVC-12/20(24) kV
| Number of drivers | Nominal conductor section (mm²) | Nominal section of the metal screen (mm²) | Nominal thickness of insulation (mm) | Nominal sheath thickness (mm) | Nominal external diameter (mm) | Poids nominal (kg/km) |
| 1 | 50 | 16 | 5.5 | 1.8 | 26 | 1056 |
| 1 | 70 | 16 | 5.5 | 1.9 | 28 | 1301 |
| 1 | 95 | 16 | 5.5 | 1.9 | 29.3 | 1567 |
| 1 | 120 | 16 | 5.5 | 2 | 30.9 | 1840 |
| 1 | 150 | 25 | 5.5 | 2 | 32.7 | 2221 |
| 1 | 185 | 25 | 5.5 | 2.1 | 34.2 | 2572 |
| 1 | 240 | 25 | 5.5 | 2.2 | 36.8 | 3182 |
| 1 | 300 | 25 | 5.5 | 2.2 | 39.2 | 3764 |
| 1 | 400 | 35 | 5.5 | 2.3 | 42.2 | 4715 |
| 1 | 500 | 35 | 5.5 | 2.4 | 45.8 | 5748 |
| 1 | 630 | 35 | 5.5 | 2.5 | 50.7 | 7215 |
| 1 | 800 | 35 | 5.5 | 2.7 | 55.2 | 9072 |
Cable N2XSY XLPE PVC-18/30(36) kV
| Number of drivers | Nominal conductor section (mm²) | Nominal section of the metal screen (mm²) | Nominal thickness of insulation (mm) | Nominal sheath thickness (mm) | Nominal external diameter (mm) | Poids nominal (kg/km) |
| 1 | 50 | 16 | 8 | 2 | 31.4 | 1304 |
| 1 | 70 | 16 | 8 | 2 | 33.2 | 1550 |
| 1 | 95 | 16 | 8 | 2.1 | 34.5 | 1827 |
| 1 | 120 | 16 | 8 | 2.1 | 35.9 | 2095 |
| 1 | 150 | 25 | 8 | 2.2 | 37.9 | 2506 |
| 1 | 185 | 25 | 8 | 2.2 | 39.4 | 2870 |
| 1 | 240 | 25 | 8 | 2.3 | 42 | 3501 |
| 1 | 300 | 25 | 8 | 2.4 | 44.6 | 4128 |
| 1 | 400 | 35 | 8 | 2.5 | 47.6 | 5105 |
| 1 | 500 | 35 | 8 | 2.6 | 51.2 | 6167 |
| 1 | 630 | 35 | 8 | 2.7 | 56.1 | 7677 |
| 1 | 800 | 35 | 8 | 2.8 | 60.4 | 9543 |
Comparison of N2XSY cable with other cables
N2xsy / N2xs2y / N2j
| Models | N2XSY cable | N2XS2Y cable | N2XH cable |
| Driver | Copper (Cu) | Copper (Cu) | Copper (Cu) |
| Isolation | XLPE | XLPE | XLPE |
| Shielding | Copper tape or wires | Copper tape or wires | With or without screen |
| Outer sheath | PVC | PE | LSZH (low smoke, halogen-free) |
| LSZH (Low Smoke Zero Halogen) | Non | Non | Oui |
| Typical applications | MV energy transport, classic industrial and urban networks | Medium voltage distribution networks, underground or outdoor installations, good resistance to humidity and mechanical stress | Subways, tunnels, buildings, public places with high fire safety requirements |
| NORME IEC | IEC 60502-2 | IEC 60502-2 | IEC 60502-1, IN 50267, IEC 61034 |
| NF C Norm | NF C 33-226 (MT 6/10–18/30 kV) | NF C 33-226 (MT 6/10–18/30 kV) | NF C 32-070 (LSZH requirements) |
Conclusion :
- N2XSY cable : PVC sheath with copper conductor, widely used in urban and industrial medium voltage networks.
- N2XS2Y cable : PE sheath offering better resistance to humidity and mechanical stress. Recommended for buried or outdoor installations.
- N2XH cable : halogen-free cable (LSZH) smoke, offering optimal fire safety. Ideal for buildings, tunnels, metros and public areas with high population density.
For standard MV networks, N2XSY cable is often chosen. For underground or exterior installations exposed to humidity, N2XS2Y cable is preferable. Finally, in environments where fire safety is a priority, like public infrastructure, N2XH LSZH cable is the best option.
N2xsy / NA2XSY / NA2XS2Y
| Models | N2XSY cable | NA2XSY cable | NA2XS2Y cable |
| Driver | Copper (Cu) | Aluminium (Al) | Aluminium (Al) |
| Isolation | XLPE | XLPE | XLPE |
| Screen (shielding) | Copper tape or wires | Copper tape or wires | Copper tape or wires |
| Outer sheath | PVC | PVC | PE |
| LSZH (Low Smoke Zero Halogen) | Non | Non | Non (but PE sheath more ecological than PVC) |
| Typical applications | MV distribution networks, industrial and urban installations | MV networks with aluminum conductor, more economical solution | Underground or outdoor MV networks, excellent resistance to humidity and mechanical stress |
| NORME IEC | IEC 60502-2 | IEC 60502-2 | IEC 60502-2 |
| NF C Norm | NF C 33-226 (MT 6/10–18/30 kV) | NF C 33-226 (MT 6/10–18/30 kV) | NF C 33-226 (MT 6/10–18/30 kV) |
Conclusion :
- N2XSY cable : copper conductor with PVC sheath, used in urban and industrial medium voltage distribution networks.
- NA2XSY cable : version with aluminum conductor and PVC sheath. More economical than copper, while respecting the same IEC standards 60502-2 and NF C 33-226.
- NA2XS2Y cable : aluminum conductor with PE sheath, offering better resistance to humidity and mechanical stress. Ideal for buried or outdoor installations.
For a project requiring high electrical performance, N2XSY copper cable is recommended. If the objective is to reduce costs while respecting standards, the NA2XSY aluminum cable is more suitable. Finally, for underground installations or installations exposed to humidity, NA2XS2Y cable with PE sheath is the best solution.
Advantages of N2XSY cable
- Isolation XLPE performante : withstands high operating temperatures (until 90 °C in continuous operation and 250 °C en court-circuit), ensuring better thermal resistance than traditional PVC cables.
- Low dielectric losses : XLPE offers excellent electrical resistance and reduces energy losses, which improves the efficiency of medium voltage networks.
- Extended life : designed for underground use, N2XSY resists humidity, mechanical stresses of the soil and chemical attacks.
- Reinforced security : Complies with IEC standards 60502 and IEC 60228, it guarantees high reliability for medium voltage distribution networks.
- Adaptability : available in different voltages (ex. 6/10 kV, 12/20 kV, 18/30 kV), it adapts to the varied needs of industrial and urban installations.