Abstract for 4×50mm² Underground Low Voltage Copper Power Cable
This 4×50mm² Copper Cable is designed for 0.6/1kV underground systems, featuring XLPE insulation+PVC Sheath structure. Complies with IEC 60502-1 and GB/T 12706.1, with special waterproof layers for direct burial/cable trench installation.
Conductor: Class 2 oxygen-free copper (IEC 60228)
Conductor screen: Extruded semi-con layer
Insulation: XLPE (1.4mm thickness)
Cabling: 4-core twisted with filling compound
Inner sheath: Water-blocking non-woven tape
Metallic screen: Copper tape (≥95% coverage)
Outer sheath: Black PVC (2.2mm thickness)
| Parameter | Value |
|---|---|
| Rated voltage | 0.6/1kV |
| DC resistance(20℃) | ≤0.387Ω/km |
| Insulation resistance | ≥100MΩ·km |
| Operating temp | 90℃ |
| Short-circuit temp | 250℃(5s) |
| Min.bending radius | 15×OD |
| Approx.weight | 3800kg/km |
Waterproof: Passes IEC 60502-1 Annex B test
Mechanical: Sheath tensile strength≥12.5N/mm²
Flexibility: No cracking at -20℃ bending
Flame retardant: IEC 60332-1 compliant
Municipal underground utility corridors
Industrial park power backbones
Rail transit power supply
Port shore power systems
Hongtai Cable Technology Co.,Ltd
E-mail:export@qlcables.com
sales@qlcables.com
Tel/whatsapp:+86-18032066271
ADD：Xiaokou Industrial Development Zone, Ningjin County, Xingtai City，Hebei Province, China
Copyright © Hongtai Cable Technology Co.,Ltd Technical Support: Ronglida Technology
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