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Mobile light flexible cable for coal mine with rated voltage of 0.3/0.5kV


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  • Product Description
    • Commodity name: Mobile light flexible cable for coal mine with rated voltage of 0.3/0.5kV
    • Commodity ID: 1171377234221092864

    1. Scope of application
    This product is suitable for coal mine roadway lighting, conveyor interlock and control with signal equipment power connection.

    2. Implementation of standards
    MT818.1-2009 cables for coal mines-Part 1: General provisions for flexible mobile cables
    MT818.9-2009 cables for coal mines-Part 9: Mobile light flexible cables for coal mines with rated voltage of 0.3/0.5kV

    3. Features
    The conductor of this cable adopts the same direction structure, which not only improves the bendability of the cable, but also reduces the outer diameter of the cable. XJ-30A ethylene-propylene insulating rubber is used for power wire core insulation. The metal fiber braided reinforcement layer is used outside the power wire core to improve the mechanical properties of the cable. The outer protective layer is made of XH-03A neoprene, and the flame retardant grade meets the requirements of the MT386-2011 "Test Methods and Judgment Rules for Flame Retardancy of Flame Retardancy of Flame Retardant for Flame Retardant for Flame, ensure the safety and reliability of cable operation.

    4. Model name of cable

    Model voltage

    Name

    Use

    MYQ-0.3/0.5

    Mobile light rubber sheathed flexible cable for coal mine

    Coal mine roadway lighting, conveyor interlocking and control power connection with signal equipment

    5. Cable structure diagram

    额定电压0.3/0.5kV煤矿用移动轻型软电缆

    6. Cable working conditions
    6.1 rated voltage Uo/U is 0.3/0.5kV.
    The long-term allowable working temperature of 6.2 cable conductor is 90 ℃.
    The minimum bending radius of the 6.3 cable is 6 times the cable diameter.

    7. Power frequency voltage test
    The insulated core shall be subjected to the power frequency voltage test specified in Table 1 without breakdown.

    Table 1

    Rated voltageUo/U(KV)

    Test voltage (effective value) kV

    Voltage application time (min)

    0.3/0.5

    2.0

    5

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