1.The rated voltage U0 / U:0.6 / 1KV,10KV.
2. The long-time working temperature of cable conductor is ≤70℃PVC, or ≤90℃XLPE. When short circuit(longest time of duration isn't over 5s), the highest working temperature of cable is ≤170℃PVC or ≤ 250℃XLPE.
3. The laying temperature is ≥-20℃, the cable should be warmed up when below this temperature.
4.The minimum curved radius:
a.1KV: ≥4D; Steel core reinforced type ≥6D (D<25mm);≥6D; Steel core reinforced type ≥10D (D≥25mm).
b.10KV: single core ≥20D; Steel core reinforced type ≥25D;multi-core ≥15D; Steel core reinforced type ≥20D.
Main electrical performance
1.Finished cable conductive wire core resistance per kilometer when 20℃
2. Insulation resistance test
At room temperature, the cable immersed in water for not less than 1h, apply 80-500V DC voltage, the stability time of not less than 1min, and not more than 5min
3. AC voltage test
At room temperature, the cable immersed in water for not less than 1h after the application of voltage in accordance with the standard requirements, the test time to maintain 1min, the cable should not breakdown
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