64/110kV Copper XLPE Corrugated Aluminum Sheathed Flame Retardant Power Cable YJLW03-FR
| Rated Voltage: | 64/110 KV (Um 126 KV) | Conductor: | Stranded Copper, Class 2 |
| Insulation: | Super-clean XLPE | Metallic Sheath: | Welded Corrugated Aluminum |
| Outer Jacket: | Flame Retardant PE (FR-PE) | Max Conductor Temperature: | 90 C Normal / 250 C Short Circuit |
| Min Bending Radius: | 20 X Cable OD | Cross Section Range: | 240-2500 Mm2 |
| Standard: | IEC 62067 | ||
| High Light: | 64/110kV copper XLPE power cable,flame retardant high voltage cable,corrugated aluminum sheathed power cable |
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64/110kV Copper XLPE Corrugated Aluminum Sheathed Flame Retardant Power Cable
Designed for reliable high-voltage power transmission in utility grids and heavy industrial projects, this 64/110kV copper conductor XLPE insulated power cable combines exceptional electrical performance, robust mechanical protection and superior fire safety. A welded corrugated aluminum sheath provides a 100% moisture barrier, while the flame retardant PE (FR-PE) outer jacket prevents flame propagation in cable tunnels and substations.
Key Features & Benefits
- Superior Thermal Capacity: XLPE insulation allows a continuous conductor operating temperature of 90°C and a short-circuit emergency temperature of 250°C.
- 100% Waterproof & Mechanical Shielding: The continuous welded corrugated aluminum sheath acts as an impermeable radial moisture barrier, preventing water treeing while offering excellent anti-crush performance.
- Enhanced Fire Safety: A specialized flame retardant PE (FR-PE) jacket prevents flame propagation in tunnels, substations and densely populated industrial areas.
- Corrosion & Pest Resistance: The robust outer jacket resists soil acids, alkalis, termites and mechanical abrasion during burial.
- Optimized Flexibility: The corrugated aluminum layer improves the bending radius versus smooth aluminum sleeves, simplifying installation in tight spaces.
Technical Specification & Structure
| Component | Material & Design |
|---|---|
| Product Model | YJLW03-FR / YJLW02-FR (IEC 62067 equivalent) |
| Rated Voltage | 64/110 kV (max. system voltage 126 kV) |
| Conductor | High-purity stranded copper, Class 2, compacted or Milliken |
| Conductor Screen | Semi-conducting XLPE compound |
| Insulation | Super-clean cross-linked polyethylene (XLPE) |
| Insulation Screen | Semi-conducting XLPE compound (strippable or bonded) |
| Water Blocking Layer | Semi-conducting waterproof cushioning tape |
| Metallic Sheath | Welded corrugated aluminum, shielding and moisture barrier |
| Outer Jacket | Flame retardant polyethylene (FR-PE) with conductive graphite coating |
Standard Sizes
| Nominal Cross Section (mm²) | Approx. Outer Diameter (mm) | Approx. Weight (kg/km) | Max. DC Resistance at 20°C (Ω/km) |
|---|---|---|---|
| 240 | 72.0 | 7,100 | 0.0754 |
| 400 | 79.0 | 9,300 | 0.0470 |
| 630 | 87.0 | 12,400 | 0.0283 |
| 800 | 93.0 | 14,800 | 0.0221 |
| 1000 | 101.0 | 17,900 | 0.0176 |
Custom cross sections up to 2500 mm² are available on B2B request.
Standards & Compliance
- IEC 62067 – extruded insulation power cables for rated voltages above 150 kV (adapted for 110 kV systems)
- IEC 60332-1-2 / IEC 60332-3 – flame retardancy validation
- IEC 60228 – conductor testing
- ISO 9001 / ISO 14001 / ISO 45001 certified manufacturing
Typical Applications
- Urban electrical grids – underground transmission lines in high-density metropolitan areas
- Power substation interconnections and transformer connections
- Heavy industry – steel plants, petrochemical complexes and seaports
- Renewable energy – utility-scale solar and onshore wind power evacuation
Packaging & Services
Heavy-duty steel-wooden drums or full steel drums designed for international maritime transit. Routine tests, sample tests and factory acceptance tests (FAT) can be witnessed by third-party inspectors such as SGS and Intertek. Customized jacket printing, meter marking and specification printing are available.
Contact us for a fast quote, technical datasheet and samples.
Frequently Asked Questions
Q1: What are the main benefits of a welded corrugated aluminum sheath over a lead sheath?
A: Welded corrugated aluminum sheathing provides excellent mechanical crush resistance and acts as a 100% moisture barrier, preventing water treeing in the XLPE insulation. Compared with traditional lead sheaths it is much lighter, reducing transport and installation costs, offers better fatigue resistance against thermal cycling, and is more environmentally friendly.
Q2: Does this 64/110kV cable comply with international IEC standards?
A: Yes. The cable is manufactured and tested in accordance with IEC 62067 and IEC 60228. For fire safety it complies with IEC 60332-1-2 and IEC 60332-3. Complete type test reports from audited third-party laboratories are available on request.
Q3: What is the minimum bending radius during installation?
A: The minimum bending radius is 20 times the overall cable outer diameter (20 x D) during installation, and 15 times the outer diameter (15 x D) when permanently fixed in position.
Q4: What is the maximum continuous conductor operating temperature?
A: The XLPE insulation supports a continuous conductor temperature of 90°C and a short-circuit emergency temperature of 250°C (max 5 s).
Q5: What packaging and logistics support do you provide for EPC projects?
A: Cables are supplied on heavy-duty steel-wooden or full steel drums treated for international maritime transit. We support FOB, CIF and DDU/DDP terms and welcome third-party factory acceptance tests from SGS, Intertek or Bureau Veritas.
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