Al/XLPE/CTS/PVC/SWA/PVC Cable
Product Overview
Cost-efficient power transmission solution featuring aluminum conductors, triple-layer XLPE insulation, and steel/aluminum armour. Engineered for underground networks, ducting systems, and industrial installations requiring robust mechanical protection.
1. Key Applications
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Underground power distribution networks
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Cable ducting systems and direct burial
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Industrial plant main feeders
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Substation connections and renewable energy projects
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Areas with mechanical stress or rodent risks
2. Construction & Materials
| Layer | Material | Specification | Function |
|---|---|---|---|
| Conductor | Aluminum | Stranded per BS EN 60228:2005 | Lightweight current carrying |
| Conductor Screen | Semi-conducting compound | Non-metallic | Electric field control |
| Insulation | XLPE | Cross-linked polyethylene, Type GP8 to BS 7655 | Thermal stability (90°C max) |
| Insulation Screen | Semi-conducting compound | Non-metallic | Field homogenization |
| Metallic Screen | Copper tape | Per BS 6622 | Fault current dissipation |
| Bedding | PVC | Type TM1 to BS 7655 | Core protection |
| Armour | SWA (Multi-core) AWA (Single-core) |
Galvanized steel wire Aluminum wire |
50kN crush resistance |
| Outer Sheath | PVC | Type TM1, Red/Black | UV/moisture/chemical protection |
3. Technical Specifications
| Parameter | Value |
|---|---|
| Standards | IEC 60502-2, GB/T12706.2 (BS/DIN/ICEA optional) |
| Rated Voltages | 8.7/15kV (Um=17.5kV), 19/33kV (Um=36kV) |
| Operating Temp | -20°C to 90°C |
| Short-Circuit Temp | 250°C (max 5s) |
| Bending Radius | ≥15× cable diameter |
4. Dimensional Data
Three Core 8.7/15kV Armoured Cables
| Section (mm²) | Insul. (mm) | Armour Wire (mm) | Diameter (mm) | Weight (kg/km) |
|---|---|---|---|---|
| 35 | 4.5 | 2.5 | 57.6 | 5,440 |
| 70 | 4.5 | 2.5 | 64.6 | 6,700 |
| 120 | 4.5 | 2.5 | 71.7 | 8,030 |
| 185 | 4.5 | 3.15 | 80.6 | 10,570 |
| 300 | 4.5 | 3.15 | 91.3 | 13,340 |
Three Core 19/33kV Armoured Cables
| Section (mm²) | Insul. (mm) | Armour Wire (mm) | Diameter (mm) | Weight (kg/km) |
|---|---|---|---|---|
| 50 | 8.0 | 3.15 | 79.0 | 9,680 |
| 95 | 8.0 | 3.15 | 86.4 | 11,350 |
| 150 | 8.0 | 3.15 | 93.6 | 13,280 |
| 240 | 8.0 | 3.15 | 103.2 | 15,460 |
| 400 | 8.0 | 3.15 | 116.8 | 19,450 |
Full parameter tables available in technical dossier
5. Certifications & Compliance
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Primary Standards: IEC 60502-2, GB/T 12706.2
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Material Certifications: BS 6622, BS 7655
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Quality Management: ISO 9001
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Environmental: RoHS compliant
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Testing: Partial discharge ≤5pC at 1.5U₀
6. Packaging
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Reels: Fumigated wooden/steel-wooden drums
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Standard Lengths: 500m or 1,000m per drum
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Customization: Cut-to-length service available
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Shipping: IP55-rated weather protection
7. Product Advantages
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Cost Efficiency
Aluminum conductors reduce project costs by 30% vs. copper equivalents -
Enhanced Protection
Steel wire armour withstands 50kN crush loads (IEC 60229 tested) -
Environmental Resilience
UV-stabilized PVC sheath (-20°C to 90°C operating range) -
Electrical Safety
Triple screening (conductor/insulation/copper tape) prevents PD -
Installation Flexibility
25% lighter than copper cables for easier trench laying