In high-abrasion industrial zones, mining operations, and coastal power grids, cable durability directly impacts operational continuity. Shenghua’s 21/35kV XLPE Insulated Power Cable delivers unmatched resistance to mechanical wear, chemical corrosion, and thermal stress—proven across 60+ countries in projects like Indonesia’s Surabaya Smart Grid (zero failures since 2023)
Triple-Layer Defense Against Physical Degradation
Critical Safety for Hazardous Environments
Energy Efficiency by Design
Application | Shenghua Solution | Performance Data |
---|---|---|
Mining Operations | Steel-armored variants resist rock abrasion + impact | Bending radius ≤15× OD; 250°C short-circuit tolerance |
Coastal Substations | Salt-spray-resistant XLPE + hermetic sealing | 0.164Ω/km resistance (4×185mm²); 90°C continuous load |
Urban Underground Grids | FR-PVC sheath prevents damage during directional drilling | 3.5kV/5min dielectric test; 30-year design life |
Global Logistics: Wooden drum packaging (MOQ 200m); 30% deposit pre-production, 70% before shipment
XLPE Insulated Power Cable Applications
The product is used in power transmission and distribution line at voltage up. It does not only have excellent electric, mechanical properties, but also has powerful resistance against chemical corrosion, heat aging and environmental stress.
XLPE Insulated Power Cable Construction
Conductor : Compact stranded Aluminum conductor, Cl.2 as per IEC 60228
Insulation : XLPE (cross-linked polyethylene) rated at 90 OC
Sheath : PVC or FR-PVC type ST2 to IEC 60502, black
XLPE Insulated Power Cable Standards
International: IEC 60502-1, IEC 60228,
China: GB/T 12706, (GB/T 18380-3 for ZR-YJLV only)
Other standards such as BS,DIN and ICEA upon request
XLPE Insulated Power Cable Technical data
Rated voltage: 21/35(36)kV
Maximum Conductor Temperature: under normal (90 OC), emergency (130OC) or short circuit no more than 5 s (250℃) conditions.
Min. Ambient Temp. 0 OC, after installation and only when cable is in a fixed position
Min. Bending Radius: 20 x cable O.D for single core
15 x cable O.D for multi core
XLPE Insulated Power Cable Specifications
Nom. Cross-section of conductor | Strands No./Dia. Of Conductor | Insulation Thickness | Sheath Thickness | Approx. O.D. |
Approx. Weight |
Max. D.C Resistance of Conductor (20 ℃) | Testing Voltage A.C | Current Rating | |
mm2 | pc/mm | mm | mm | (mm) | kg/km | Ω /km | kV/5min | In air (A) | In soil(A) |
4 × 4 | 1/2.25 | 0.7 | 1.8 | 13.0 | 155 | 7.41 | 3.5 | 27 | 36 |
4 × 6 | 1/2.76 | 0.7 | 1.8 | 14.0 | 184 | 4.61 | 3.5 | 35 | 46 |
4 × 10 | 7/1.38 | 0.7 | 1.8 | 17.0 | 258 | 3.08 | 3.5 | 47 | 59 |
4 × 16 | 7/1.78 | 0.7 | 1.8 | 20.0 | 366 | 1.91 | 3.5 | 64 | 80 |
4 × 25 | 7/2.14 | 0.9 | 1.8 | 23.0 | 540 | 1.200 | 3.5 | 82 | 100 |
4 × 35 | 7/2.52 | 0.9 | 1.8 | 25 | 686 | 0.868 | 3.5 | 100 | 120 |
4 × 50 | 10/2.52 | 1.0 | 1.8 | 23 | 907 | 0.641 | 3.5 | 125 | 145 |
4 × 70 | 14/2.52 | 1.1 | 1.8 | 27 | 1192 | 0.443 | 3.5 | 155 | 175 |
4 × 95 | 19/2.52 | 1.1 | 1.9 | 31 | 1598 | 0.320 | 3.5 | 200 | 210 |
4 × 120 | 24/2.52 | 1.2 | 2.0 | 33 | 1949 | 0.253 | 3.5 | 220 | 240 |
4 × 150 | 30/2.52 | 1.4 | 2.2 | 38 | 2517 | 0.206 | 3.5 | 250 | 270 |
4 × 185 | 37/2.52 | 1.6 | 2.3 | 42 | 3091 | 0.1640 | 3.5 | 295 | 305 |
4 × 240 | 48/2.52 | 1.7 | 2.5 | 47 | 3825 | 0.1250 | 3.5 | 345 | 355 |
4 × 300 | 61/2.52 | 1.8 | 2.6 | 52 | 4830 | 0.1000 | 3.5 | 395 | 400 |
4 × 400 | 61/2.97 | 2.0 | 3.1 | 66 | 5840 | 0.0778 | 3.5 | 445 | 445 |