China 4 Core Underground Electrical Armoured Cable Power Cable 25mm 35mm 50mm 70mm 95mm 120mm 185mm 240mm 300mm Power Cable, Find details about China Underground Electrical Armoured Cable, 25mm 35mm 50mm 70mm 95mm Power Cable from 4 Core Underground Electrical Armoured Cable Power Cable 25mm 35mm 50mm 70mm 95mm 120mm 185mm 240mm 300mm Power Cable
Rated voltage (kv) Sectional area (mm2) No. of core | 1st class | 0.6/1 | 1.8/3 | 3.6/6 | 6/10 | 8.7/15 | 12/20 | 18/30 | 21/35 |
2nd class | 1/1 | 3/3 | 6/6 | 8.7/10 | 12/15 | 18/20 | - | 26/35 | |
1 Core | 1.5-800 | 25-800 | 25-1200 | 25-1200 | 35-1200 | 50-1200 | 50-1200 | 50-1200 | |
2 Core | 1.5-185 | 25-185 | |||||||
3 Core | 1.5-400 | 25-400 | 25-400 | 25-400 | 35-400 | 50-400 | 50-400 | 50-400 | |
4 Core | 2.5-400 | 25-400 | |||||||
5 Core | 2.5-400 | 25-400 |
Nominal section area (mm2) | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 | 70 | 95 | 120 | 150 | 185 | 240 | 300 | 400 | 500 | 630 | 800 |
Copper core | 12.1 | 7.41 | 4.61 | 3.08 | 1.83 | 1.15 | 0.727 | 0.524 | 0.387 | 0.268 | 0.193 | 0.153 | 0.124 | 0.099 | 0.0754 | 0.0601 | 0.047 | 0.0366 | 0.0283 | 0.0221 |
Aluminum core | 18.1 | 12.1 | 7.41 | 4.61 | 3.08 | 1.91 | 1.2 | 0.868 | 0.641 | 0.443 | 0.32 | 0.253 | 0.206 | 0.164 | 0.125 | 0.1 | 0.778 | 0.0605 | 0.0469 | 0.0367 |
Rate voltage Uo (kv) Item | 0.6/1 | 1.8/3 | 3.6/6 | 6/6 6/10 | 8.7/10 8.7/15 | 12/20 | 18/20 18/30 | 21/35 | 26/35 | |
Voltage | Test voltage | 3.5 | 6.5 | 12.5 | 21 | 30.5 | 42 | 63 | 73.5 | 91 |
Test time | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | |
Partial discharge test | Test voltage | - | - | 6.2 | 10.4 | 15.1 | 20.8 | 31.1 | 36.3 | 45 |
Discharge capacity | - | - | 10 | 10 | 10 | 10 | 10 | 10 | 10 |