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    BVR Copper Wire


    Introduction of BVR Copper Wire

    Product: BVR Copper Wire

    Academic name: Copper Core PVC Soft Wire

    Model: BVR

    Standard: JB8734-2012

    Conductor material: Non-oxidized copper core (copper content: 99.99%)

    Number of cores: single core

    Insulation materials: PVC

    Specifications: 0.75~185mm²

    Rated voltage: 450/750V

    Colour: red, yellow, blue, green, black Yellow-green color etc


    Application of BVR Copper Wire

    This product is suitable for AC rated voltage 450 / 750V and below, requiring the use of fire-retardant occasions of electrical, instrumentation, telecommunications equipment, power equipment and lighting lines fixed laying.

    Features of BVR Copper Wire

    The long-term permissible operating temperature of all types of cables shall not exceed 70 ℃. The laying temperature of the cable shall not be less than 0 ℃. The outer diameter (D) is less than 25 mm cable allowed bending radius should not less than 4D. The outer diameter (D) of 25mm and above the allowable bending radius of cable should not be less than 6D.


    Structure diagram


    BVR-Copper-Wire-Structure-Diagram

     

    Model of BVR Copper Wire

    The insulation materials and sheath materials of BVR copper wire is PVC. BVR copper wire according to the different properties, the product can be divided into insulation, flame retardant, fire-resistant three categories, different uses of different categories:
     

    Model
     
    Designation Use occasion
    BVR Copper Core PVC Soft Wire Power, electrical instruments and automation devices
    ZR-BVR Copper Core PVC Flame-retardant Soft Wire With a fire-retardant requirements of electrical, instrumentation, telecommunications equipment, power equipment and lighting lines fixed laying.
    NH-BVR Copper Core PVC
    Fire-resistant Soft Wire
    Control, monitoring circuits, power, line protection and other occasions, as well as large-scale construction, petroleum, metallurgy, chemical industry, cable, ship, personnel-intensive industries have higher flame retardant and fire resistance requirements
     
    Technical parameters

    Nominal
    cross section
    (mm²)
    Nominal insulation thickness(mm) Upper limit of average outer diameter(mm) 20℃ Maximum
    conductor resistance
    MΩ.km
    70℃ Minimum insulation resistance
    MΩ.km
    Copper core Tinned copper core
    0.75 7 2.9 24.5 24.8 0.013
    1 7 3.1 18.1 18.2 0.012
    1.5 7 3.4 12.1 12.2 0.011
    2.5 19 4.1 7.41 7.56 0.011
    4 19 4.8 4.61 4.7 0.009
    6 19 5.3 3.08 3.11 0.0084
    10 49 7.3 1.83 1.84 0.0072
    16 49 8.6 1.15 1.16 0.0062
    25 98 10.2 0.727 0.734 0.0058
    35 133 11.7 0.524 0.529 0.0052
    50 133 13.9 0.387 0.391 0.0051
    70 189 16 0.268 0.27 0.0045
    95 259 18.2 0.193 0.195 0.0044
    120 259 19.8 0.153 0.154 0.004
    150 336 22.2 0.124 0.126 0.004
    185 427 24.6 0.0991 0.1 0.004
     
    Note: NH-BVV, ZR-BVV and BVV for the same series, so the structural parameters are the same

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