Product Detail

WELTRUS 127/220 kV Copper Core XLPE Insulated Power Cable – Welded Corrugated Aluminum Sheath, Plastic Outer Sheath

  • Rated Voltage: 127/220 kV – suitable for extra-high voltage transmission systems
  • Copper conductor for maximum conductivity & low power loss
  • XLPE insulation for high dielectric strength and thermal resistance
  • Welded corrugated aluminum sheath for mechanical protection and moisture resistance
  • Protective plastic outer sheath for long-term durability
  • Available in multiple conductor cross-sections from 400 mm² to 2500 mm²
  • Flame retardant and non-flame retardant options available
  • Designed for high-load capacity and minimal transmission losses
  • Compliant with GB/T 18890-2015 standard

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This 127/220 kV copper core XLPE insulated power cable is engineered for reliable performance in long-distance high-voltage power transmission. It features a welded corrugated aluminum sheath for enhanced mechanical protection and water ingress prevention, combined with a tough plastic outer sheath for superior environmental resistance. The copper conductor ensures excellent electrical conductivity, while the XLPE insulation provides outstanding thermal endurance and electrical performance. Available in a wide range of conductor sizes, this cable meets the rigorous demands of power plants, substations, utility networks, and large-scale industrial applications.
Technical Parameters (Cable Structure & Weight):
Spec (mm²) Conductor Structure No./mm Diameter (mm) Insulation Outer Diameter ±1.5mm (mm) Cable OD ±4.0mm (mm) Graphite Cable OD ±4.0mm (mm) Squeeze Bag Weight (kg/m) Graphite Non-Flame Weight (kg/m) Graphite Flame Weight (kg/m) Squeeze Bag Non-Flame Weight (kg/m) Squeeze Bag Flame
400 61/2.91 23.4±0.2 83.9 119.7 120.7 14.31 14.41 14.55 14.66
500 61/3.30 26.6±0.2 87.1 123.7 124.7 15.77 15.87 16.01 16.12
630 60/3.76 30.0±0.2 88.5 125.1 126.1 17.13 17.23 17.38 17.49
800 88/3.52 34.0±0.2 90.5 127.1 128.1 18.92 19.03 19.19 19.29
800 (div.) 5×37/2.50 34.6±0.6 92.2 129.8 130.8 19.43 19.54 19.69 19.80
1000 (div.) 5×37/2.80 38.8±0.6 94.2 132.2 133.2 21.64 21.75 21.91 22.02
1200 (div.) 5×61/2.36 41.8±0.6 97.2 135.2 136.2 23.62 23.73 23.89 24.01
1400 (div.) 5×61/2.56 45.6±0.6 101.0 139.2 140.2 25.92 26.04 26.20 26.32
1600 (div.) 5×61/2.72 48.6±0.6 104.0 142.0 143.0 28.10 28.22 28.39 28.51
1800 (div.) 5×61/2.90 51.6±0.8 107.0 146.4 147.4 30.70 30.80 30.90 31.02
2000 (div.) 5×61/3.06 54.6±0.8 110.0 149.4 150.4 32.81 32.93 33.11 33.24
2500 (div.) 5×88/2.75+19/2.90 116.0 155.4 156.4 38.07 38.20 38.38 38.52
About the Manufacturer – WELTRUS
WELTRUS (Hangzhou Weltrus New Energy Technology Co., Ltd.), part of the Welfull Group (established in 1993, annual operating income over 5.6 billion yuan), is a leader in clean energy solutions. Leveraging expertise in photovoltaics, new energy vehicles, and energy storage, WELTRUS provides high-quality, reliable, and innovative electrical products for global markets.

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