26/35kV 3 Core 50-240 sqmm AL XLPE CWS SWA PVC Steel Wire Armoured Power Cable for Underground Distribution
| Rated Voltage: | 26/35 KV | Number of Cores: | 3 Core |
| Conductor: | Stranded Aluminium, Class 1 / Class 2 (IEC 60228) | Conductor Cross Section: | 50 - 240 Mm² |
| Insulation: | XLPE | Metallic Screen: | Copper Wire Screen (CWS) |
| Armour: | Galvanized Steel Wire Armour (SWA) | Outer Sheath: | PVC (ST2) |
| Standards: | IEC 60502-2 / IEC 60228 | Cross Reference: | YJLSV32 / NA2XSERY-Armoured Equivalent |
| High Light: | Aluminum Conductor MV Cable,26/35kV Three Core XLPE Cable,SWA Armoured Underground Cable |
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26/35kV AL/XLPE/CWS/SWA/PVC Three Core Power Cable (50-240 mm²)
The 26/35kV three-core power cable manufactured by Zhongdong Cable is designed in accordance with IEC 60502-2 and IEC 60228 (Class 1 or Class 2 aluminium conductor). It adopts aluminium conductors, XLPE insulation, copper wire screen (CWS), steel wire armour (SWA) and PVC outer sheath, providing a practical solution for high-capacity medium-voltage underground distribution systems.
The aluminium conductor helps reduce cable weight and overall project cost, while the SWA layer provides additional mechanical protection for underground installations and long cable routes.
Quick Specs
| Type | Steel Wire Armoured MV Power Cable |
| Voltage Rating | 26/35 kV |
| Cores | 3 Core |
| Conductor | Aluminium, Class 1 / Class 2 (IEC 60228) |
| Insulation | XLPE |
| Screen | Copper Wire Screen (CWS) |
| Armour | Galvanized Steel Wire Armour (SWA) |
| Sheath | PVC ST2 |
| Standards | IEC 60502-2 / IEC 60228 |
| Cross Reference | YJLSV32 / NA2XSERY-Armoured Equivalent |
Construction
- Conductor: Stranded aluminium conductor
- Conductor Screen: Semi-conductive layer for electric field control
- Insulation: XLPE with stable thermal and dielectric performance
- Insulation Screen: Semi-conductive layer for uniform field distribution
- Metallic Screen: Copper wire screen for grounding and fault current path
- Armour: Galvanized steel wire armour (SWA) for high tensile strength and mechanical protection
- Fillers: To maintain circular cable shape and stability
- Outer Sheath: PVC (ST2), resistant to moisture and abrasion
- Design: Three-core SWA armoured MV cable (26/35 kV)
Applications
The 26/35kV aluminium SWA three-core cable is suitable for projects where economical power transmission and mechanical protection are required. Typical applications:
- Utility medium-voltage distribution networks
- Industrial power supply systems
- Renewable energy collection networks
- Substation feeder connections
- Underground infrastructure projects
- Mining and remote power supply systems
- Direct burial cable installations
Standards
IEC 60502-2 / IEC 60228 / IEC 60332-1 / IEC 60332-3 / IEC 60754-1 / IEC 60754-2 / IEC 61034; DIN VDE 0276-620; BS 6622 / BS 7835; NF C 33-220; AS/NZS 1429.1; ASTM B3 / ASTM B8
Technical Data (3×50 - 3×240 mm²)
| Nominal Cross Section (mm²) | Insulation Thickness (mm) | Steel Wire Diameter (mm) | Sheath Thickness (mm) | Approx. Diameter (mm) | Approx. Weight (kg/km) | Max DC Resistance at 20°C (Ω/km) |
|---|---|---|---|---|---|---|
| 3×50 | 8 | 3.15 | 3.5 | 81.1 | 8742 | 0.641 |
| 3×70 | 8 | 3.15 | 3.6 | 85.2 | 9453 | 0.443 |
| 3×95 | 8 | 3.15 | 3.7 | 89.2 | 10259 | 0.32 |
| 3×120 | 8 | 3.15 | 3.8 | 92.2 | 10964 | 0.253 |
| 3×150 | 8 | 3.15 | 3.9 | 95.9 | 11965 | 0.206 |
| 3×185 | 8 | 3.15 | 4.1 | 100 | 12916 | 0.164 |
| 3×240 | 8 | 3.15 | 4.2 | 105.3 | 14180 | 0.125 |
FAQ
Q1: Where is a 26/35kV three-core SWA cable typically used?
A: It is mainly used in primary MV distribution systems and large industrial power networks where higher voltage levels are required.
Q2: Why choose SWA at 26/35kV level?
A: SWA provides strong mechanical protection for underground installation, especially in areas with soil pressure or risk of external damage.
Q3: Is a three-core design still practical at this voltage level?
A: Yes, it is commonly used in compact urban grids where space saving and simplified installation are important.
Contact Zhongdong Cable for competitive factory pricing and professional technical support.
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