Application: | Construction, Underground, Power Station, Engineering Construction |
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Voltage: | Low and Medium Voltage Cable |
Current: | Medium Voltage Cable |
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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 |