Product Name
YJLSV 1×800mm² Watertight Aluminium Power Cable – XLPE Insulated, 26/35kV, GB/IEC Certified
Technical Specifications
1. Construction
| Layer | Material/Type | Details |
|---|---|---|
| Conductor | Aluminium (Class 2) | Solid or stranded (1×800mm²) |
| Insulation | XLPE | Rated for 26/35kV |
| Waterproofing | Longitudinal water-blocking | HDPE tape/swelling powder |
| Jacket | PVC | Corrosion/UV-resistant |
2. Electrical & Performance Data
- Rated Voltage: 26/35kV (Uo/U)
- Current Rating:
- In Air: 1060A
- Buried: 845A
- Short-Circuit Capacity: 10kA/3s (typical)
- Insulation Resistance: ≥ 3500 MΩ·km (@20°C)
3. Mechanical & Environmental
- Cable Weight: 4950 kg/km
- Bending Radius: 20× cable diameter
- Temperature Range:
- Operation: -20°C to +90°C
- Short-Circuit: +250°C (max 5s)
4. Certifications & Standards
- GB9330 (China MV Cable Standard)
- IEC 60502-2 (International MV Cable Standard)
- CCC, ISO 9001, RoHS
5. Packaging & Warranty
- Standard Length: 300-500m/drum (wooden reel)
- Warranty: 1 year
Key Advantages
✔ Waterproof Design – HDPE/swelling layers prevent moisture ingress.
✔ Lightweight – Aluminium conductor reduces weight vs. copper.
✔ High Capacity – Supports up to 1060A in air.
✔ Corrosion-Resistant – PVC jacket suits harsh environments.
Applications
- Underground power transmission (26/35kV systems)
- Substations, industrial parks, and renewable energy projects
- Flood-prone or high-humidity installations
Comparison with Copper Cables
| Feature | YJLSV (Aluminium) | Copper Equivalent (YJV) |
|---|---|---|
| Conductor | Aluminium (800mm²) | Copper (500mm²) |
| Weight | 4950 kg/km | ~7000 kg/km |
| Cost | 30-40% lower | Higher |
Ordering Information
- Model: YJLSV-1×800mm²
- Customization: Available for armor (e.g., steel tape) or fire-resistant versions.