Single core monitoring flexible cable with movable metal shield for coal mine
- Product description
1. Product executive standard
2. Product application:
Myptj-js-3.6/6 is suitable for the power connection of underground mobile mining equipment with rated voltage of 3.6/6kv, especially for the power connection of underground submersible pump in coal mine; it is not suitable for frequent movement, winding, bending, retraction and use.
Myptj-js-6 / 10 is suitable for the power connection of underground mobile mining equipment with rated voltage of 6 / 10kV, especially for the power connection of underground submersible pump in coal mine; it is not suitable for frequent movement, winding, bending, retraction and release.
Myptj-js-8.7/10 is suitable for power connection of underground mobile mining equipment with rated voltage of 8.7/10kv, especially for power connection of underground submersible pump in coal mine; it is not suitable for frequent movement, winding, bending, retraction and use.
3. Product use characteristics
3.1. Rated voltage: 3.6/6kv, 6 / 10kV, 8.7/10kv.
3.2. The maximum allowable working temperature of conductor is 90 ℃, and the maximum temperature of conductor in case of short circuit (the short circuit time shall not exceed 5S) is 250 ℃.
3.3. The minimum bending radius of cable is 6 times of cable diameter.
3.4. The normal applicable ambient temperature of the cable is - 25 ℃ ~ + 65 ℃.
3.5. The flame retardant performance of the cable shall meet the requirements of flame retardant performance in MT 818-2009.
3.6. Power frequency withstand voltage of cable: 3.5uo, no breakdown.
3.7. Partial discharge test: the discharge capacity of the cable is & le; 20pc under the test voltage of 1.73 U0.
4. Main technical indexes of cable
4.1. Conductor structure: tinned copper, conforming to the 5th soft copper conductor of GB / T 3956.
4.2. Insulating material: the performance of EPDM based insulating rubber shall meet the requirements of xj-30a type in GB / T 7594.8, and the tensile strength shall not be less than 6.5MPa.
4.3. Core identification: coding or color yarn identification.
4.4. Sheath: the sheath rubber or other materials with similar performance using neoprene as the base material shall meet the requirements of xh-03a in GB / T 7594.7, and the tear strength shall not be less than 5.0n/mm.
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