cu conductor 70mm2 power cable
product description of cu conductor 70mm2 power cable
Brief Introduction for 70mm2 power cable
Low Voltage Al/Cu Conductor 70mm2 Power Cable is used to transmit and distribute power in power transmission and distribution system of 1kV. 70mm2 power cable is generally applied to the fields including power, construction, mines, metallurgy, petrochemical industry and communication in complete replace of oil immersed paper insulated power cable and in partial replace of PVC insulated power cable.
Operating characteristic of 70mm2 power cable
1) Rated Voltage: 600/1000V
2) Max. working temperature: 70°c (PVC insulation), 90°c (XLPE insulation)
3) Max. temperature during short circuit (≤5S): 160°c (PVC insulation), 250°c (XLPE insulation)
4) Conductor: class 1, 2 copper or aluminum
5) Shape of conductor: sectional
6) Sectional area: 70mm2
7) Insulation: PVC / XLPE
8) No. of cores: 1, 2, 3, 3+1, 3+2, 4, 4+1, 5
9) Armor: steel wire or steel tape
10) Sheath: PVC
11) Min. beding radius: 15 times cable radius for single-core cables and 12 times for multi-core ones
12) Max. conductor DC resistance at 20°c: 0.268Ω/km (copper), 0.443Ω/km (aluminum)
Type & Designation
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