High Voltage Mining Cable
Long-term allowable operating temperature of high voltage mining cable is not more than 65 ℃ /90 ℃.
1.Long-term allowable operating temperature of high voltage mining cable is not more than 65 ℃ /90 ℃.
2.The lowest temperature of high voltage mining cable should more than -35 ℃.
3. This high voltage mining cable of shield machine is mainly used for heavy equipment for open-pit mine and underground digging under the voltage system of 8.7 /15kV.
4. The bending radius: not more than 6 times of cable diameter.
No. of core |
NormalArea (mm²) |
Construction (No./mm) |
Sheath thickness (mm) |
Overal Diameter (mm) |
Insulation thickness (mm) |
MaxConductor resistanceat20°C(Ω/km) Bare |
MaxConductorresistanceat 20°C(Ω/km) |
1 | 0.75 | 24/0.20 | 0.8 | 4.6±0.2 | 0.8 | 26 | 26.7 |
1.0 | 32/0.20 | 0.8 | 4.8±0.2 | 0.8 | 19.5 | 20 | |
1.5 | 30/0.25 | 0.8 | 5.1±0.2 | 0.8 | 13.3 | 13.7 | |
2 | 0.75 | 24/.02 | 0.6 | 6.4±0.2 | 0.8 | 26 | 26.7 |
1.0 | 32/0.2 | 0.6 | 6.9±0.2 | 0.9 | 19.5 | 20 | |
3 | 0.75 | 24/0.2 | 0.6 | 7.0±0.2 | 0.9 | 26 | 26.7 |
1.0 | 32/0.2 | 0.6 | 7.4±0.2 | 0.9 | 19.5 | 20 |