Woven reinforced rubber sheathed flexible cable for metal shield monitoring of shuttle car in coal mine
- Product description
1. Product executive standard
2. Product application scope
It is applicable to the power connection of shuttle car, anchor bolt machine and similar equipment with rated voltage of 0.66/1.14kv and below.
3. Product use characteristics
3.1. Rated voltage: 0.66/1.14kv.
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: 3.7kv/5min, no breakdown.
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 power core and auxiliary core are made of EPDM based insulating rubber, which shall meet the requirements of xj-30a type in GB 7594.8, but the tensile strength shall not be less than 6.5 MPa.
4.3. Core identification: main core: red, white, blue, auxiliary core: black.
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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