XWA 66kV Cable | Câble haute tension

Engineered for Grid Reliability

NOURRITURE 66câble kV, single-core and XLPE insulated, is engineered to form the vital arteries of regional power grids and large-scale industrial substations. Rated for U0/U 36/66 kV, our HV cables are designed to minimize power losses over long distances while offering exceptional resistance to environmental and electrical stress. Whether you are connecting a new renewable energy farm to the grid or upgrading urban underground transmission lines, XWA delivers a complete system supply.

Années de fabrication
5 +
Pays exportés
40 +
Gamme haute tension
36- 500 kV
Testé en usine XWA
100 %
66Câble haute tension kV

66Spécifications du câble kV & Construction

- Conducteur: High-purity aluminium and copper conductors. Cross-sectional areas range from 240 mm² up to a massive 2000 mm².
- Isolation: Extruded XLPE (Cross-linked Polyethylene) insulation.
- Customizable Metallic Sheath (Facultatif): Configurable as extruded lead, copper wire screen with aluminum foil barrier, or welded aluminum, based on short-circuit and soil moisture needs.
- Gaine extérieure: Extruded PE (Polyethylene) for robust defense against chemical agents and mechanical wear.
- Rated Voltages: Uo/U 36/66 kV.
- Capacité de fonctionnement: Allant de 0.18 µF/km à 0.41 µF/km en fonction de la taille du conducteur.
- Courant de charge: Allant de 2.6 A/km à 4.6 A/km.

✔ CEI 60840 Conforme -- ✔ AEIC CS9 Compliant -- ✔ ISO 9001 Système qualité -- ✔ Certifié CE -- ✔ Custom OEM Available

XWA 66kV Cable Datasheet

Structure de câble HT XWA
Type de conducteur Coupe transversale (mm²) Diamètre extérieur (mm) Poids net avec gaine Pb (kg/m)
Aluminium 240 63 9.9
Cuivre 240 64 11.5
Aluminium 1000 77 12.7
Cuivre 1000 88 21.1
Aluminium 2000 103 16.5
Cuivre 2000 103 29.6

Why Choose XWA 66kV Power Cable?

XWA combines decades of engineering expertise with highly efficient manufacturing to deliver world-class high-voltage power transmission solutions. Our 66kV cables are distinguished by their rugged construction and high thermal endurance, ensuring stable power delivery even under fluctuating grid loads.

  • Abundant Manufacturing Experience: With over 15 years of dedicated experience in power transmission products and successful exports to over 60 countries, our factory team possesses the deep technical know-how required to handle complex, large-scale high voltage projects.
  • Factory-Direct Competitive Pricing: Because we own the manufacturing facility and optimize our production lines, we eliminate middleman markups. This allows us to offer highly competitive, cost-effective 66kV cable price for major infrastructure bids without ever compromising on material quality or international standards.
  • Exceptional Thermal Endurance: Our XLPE insulation permits a maximum permissible inner conductor temperature of 90°C in continuous use. In the event of a fault, the conductor can safely withstand short-circuit temperatures up to 250°C.
  • Advanced Moisture Protection: Underground environments demand strict waterproofing. XWA 66kV cables feature semi-conducting water blocking tapes , with an optional aluminium foil laminate serving as a highly effective radial water barrier.
  • Customizable Metallic Sheaths: Dynamic and thermal short-circuit stresses vary by project. We can customize your metallic sheath as an extruded lead alloy, an aluminium welded sheath, or a copper wire helix to perfectly match your installation environment.
Usine de câbles XWA

Applications of XWA 66kV High Voltage Cable

XWA 66kV high tension cables are designed for versatility, capable of being routed through diverse and challenging terrains. They are the optimal choice for:

  • Direct Underground Burial: Engineered to be laid directly in the ground in either trefoil or flat formations, providing safe, out-of-sight power transmission for expanding urban grids.
  • Buried Ducts & Trenches: Highly suited for installation in buried single-way ducts, offering protection in areas with high surface traffic or industrial activity.
  • Open Air & Utility Tunnels: Rated for installation in air, making them ideal for overground routing, connection to overhead lines, or installation within naturally ventilated solar-protected utility tunnels.
  • Intégration des énergies renouvelables: The perfect transmission medium to carry generated power from offshore/onshore wind turbines and large solar arrays directly into regional power stations.
Applications de câbles

Installation & Soutien

To maximize the lifespan and safety of your XWA 66kV transmission lines, professional installation and strict adherence to technical guidelines are required:

  • Minimum Bending Radius: strict adherence to the bending radius during dynamic cable laying, ranging from 1.6m to 2.6m depending on the specific conductor and cross-section.
  • Temperature Constraints: The minimum cable temperature during laying must not fall below -10°C for cables with a PE outer sheath; at lower temperatures, cables must be adequately warmed beforehand.
  • System Integration: XWA delivers a complete system supply, ensuring our cables and accessories are type-tested together for flawless integration.

Our XWA cable factory team of technical experts is available to answer your questions, fournir des solutions personnalisées, et accompagnez votre projet de la planification à l'installation.

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    FAQs of XWA 66kV Cable

    Can the XWA 66kV cable be used for direct burial?

    Oui, our HV underground XLPE cables are engineered for direct underground burial in either trefoil or flat formations. Always factor in the specific soil thermal resistivity of your trench to ensure optimal current-carrying capacity.

    Oui. Standard designs feature semi-conducting water-blocking tapes. For extreme wet conditions, we add an aluminium foil laminate to create a complete radial water barrier beneath the durable PE outer sheath.

    As a direct manufacturer with over 15 years of experience, we eliminate middleman markups. Our highly optimized production lines allow us to provide factory-direct, cost-effective pricing while strictly maintaining IEC-compliant quality.

    66kV cables (72.5kV maximum operating voltage) are typically used for regional sub-transmission. 110kV cables (123kV maximum) carry higher capacities over longer distances, requiring thicker XLPE insulation and larger bending radii.

    Oui. To meet your project’s exact short-circuit and environmental demands, we can customize the metallic sheath using an extruded lead alloy, a welded aluminium sheath, or a copper wire helix.