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Rated voltage 1.9/3.3kV and below shearer flexible cable


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  • Product Description
    • Commodity name: Rated voltage 1.9/3.3kV and below shearer flexible cable
    • Commodity ID: 1171377241963778048

    1. Scope of application
    This product is suitable for the power connection of shearers and similar equipment with rated voltage Uo/U of 1.9/3.3kV and below.

    2. Implementation of standards
    MT818.1-2009 coal mine cables-Part 1: General provisions for flexible mobile fire-retardant cables for coal mines.
    Cables for MT818.2-2009 coal mines-Part 2: Flexible cables for shearers of rated voltage up to and including 1.9/3.3kV.

    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. Cable model, name and purpose

    Model

    Name

    Specification mm2

    Structure

    Use

    Type A

    Type B

    MC-0.38/0.66
    MCP-0.38/0.66
    MCP-0.66/1.14
    MCP-1.9/3.3

    Shearer rubber-sheathed flexible cable
    Shearer shielded rubber sheathed flexible cable
    Shearer shielded rubber sheathed flexible cable
    Shearer shielded rubber sheathed flexible cable

    16-120
    16-120
    25-150
    25-150




    -
    -

    Power connection for shearers and similar equipment with rated voltage of 0.38/0.66kV
    Power connection for shearers and similar equipment with rated voltage of 0.38/0.66kV
    Power connection for shearers and similar equipment with rated voltage of 0.66/1.14kV
    Power connection for shearers and similar equipment with rated voltage of 1.9/3.3kV

    5. Cable structure diagram

    额定电压1.9/3.3kV及以下采煤机软电缆

    6 Cable working conditions
    The 6.1 rated voltages Uo/U are 0.38/0.66kV, 0.66/1.14kV and 1.9/3.3kV, respectively.
    The minimum bending radius of the 6.2 cable is 6 times the cable diameter.
    The earth core of the 6.3 cable shall be well grounded.

    7. Power frequency test voltage
    The insulated power core and control core shall be subjected to the power frequency voltage test specified in Table 4 without breakdown.

    Table 4 Power frequency test voltage

    Type of insulated core

    Rated voltage kV

    Test voltage (effective value) kV

    Effective value of applied voltage min

    Power line core

    1.9/3.3

    6.8

    5

    0.66/1.14

    3.7

    0.38/0.66

    3.0

    Control core

    -

    1.5

    5

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