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    P7 or P7/P14 BFOU 6/10kV

    Applications

    These cables are fire resistant, flame retardant, low smoke, halogen free and mud resistant, used for fixed installation for medium voltage power.

    Standards

    • IEC 60092-353
    • IEC 60092-351
    • IEC 60092-359
    • IEC 60331-21
    • IEC 60332-1
    • IEC 60332-3-22
    • IEC 60754-1,2
    • IEC 61034-1,2
    • NEK 606:2004

    Construction

    Electrical Characteristics

    Conductors Circular tinned annealed stranded copper to IEC 60228 class 2.
    Conductor Screen Semi conducting material.
    Insulation Mica tape + Halogen free EPR.
    Insulation Screen Semi conducting material and tinned copper wire braid.
    Bedding Halogen free compound.
    Armour Tinned copper wire braid.
    Outer Sheath Halogen free thermosetting compound, SHF2 (for TYPE P7)
      or halogen free mud resistant thermosetting compound, SHF MUD (for TYPE P7/P14), coloured red.

     

    Nominal Cross Section Area mm^2 25 35 50 70 95 120 150
    Nominal Conductor Diameter mm 6.5 7.4 8.7 10.3 12.2 13.8 15.1
    Maximum DC Resistant@20℃ Ω/km 0.734 0.529 0.391 0.27 0.195 0.154 0.126
    Continuous Current Rating@45℃1 Core A 127 157 196 242 293 339 389
    Continuous Current Rating@45℃3 Core A 89 110 137 169 205 237 272
    Short Circuit Current 1s A 3580 5010 7150 10020 13590 17170 21460
    Operating Voltage KV 6/10 6/10 6/10 6/10 6/10 6/10 6/10
    Nominal Cross Section Area mm^2 185 240 300 400 500 630
    Nominal Conductor Diameter mm 17.0 19.6 21.9 24.5 27.5 32.3
    Maximum DC Resistant@20℃ Ω/km 0.1 0.0762 0.0607 0.0475 0.0369 0.0286
    Continuous Current Rating@45℃1 Core A 444 522 601 690 780 890
    Continuous Current Rating@45℃3 Core A 311 365 421 483 546 623
    Short Circuit Current 1s A 26470 34340 42930 57230 71540 90140
    Operating Voltage KV 6/10 6/10 6/10 8.7/15 8.7/15 8.7/15

    Ambient Temperature Correction Factors

    Ambient Temperature Correction Factors 35 40 45 50 55 60 65 70 75 80
    Rating Factor 1.1 1.05 1.0 0.94 0.88 0.82 0.74 0.67 0.58 0.47

    Mechanical and Thermal Properties

    Bending Radius 15×OD (during installation)
      9×OD (fixed installed)
    Temperature Range -20℃ ~ +90℃

    Dimensions and Weight

    Construction No. of cores×Cross section(mm^2) Nominal Insulation Thickness (mm) Nominal Sheath Thickness (mm) Nominal Overall Diameter (mm) Nominal Weight (kg/km)
    Inner Outer
    1×16 3.4 1.0 1.6 25.6 990
    1×25 3.4 1.0 1.7 27.1 1150
    1×35 3.4 1.0 1.7 28.5 1320
    1×50 3.4 1.0 1.8 29.9 1500
    1×70 3.4 1.0 1.8 31.9 1810
    1×95 3.4 1.0 1.9 34.0 2160
    1×120 3.4 1.2 2.0 36.1 2610
    1×150 3.4 1.2 2.1 38.1 2990
    1×185 3.4 1.2 2.2 39.9 3440
    1×240 3.4 1.2 2.3 43.1 4180
    1×300 3.4 1.2 2.4 45.9 4930
    1×400 3.4 1.4 2.5 49.0 5900
    1×500 3.4 1.4 2.6 52.5 7070
    1×630 3.4 1.4 2.8 57.0 8690
    3×16 3.4 1.4 2.4 50.2 3780
    3×25 3.4 1.4 2.6 53.2 4380
    3×35 3.4 1.4 2.7 56.4 5040
    3×50 3.4 1.4 2.8 59.3 5740
    3×70 3.4 1.6 2.9 63.7 6900
    3×95 3.4 1.6 3.1 68.4 8270
    3×120 3.4 1.6 3.2 72.1 9470
    3×150 3.4 1.6 3.4 76.0 10800
    3×185 3.4 1.8 3.5 80.8 12370
    3×240 3.4 1.8 3.8 88.2 15040
    3×300 3.4 2.0 3.9 94.0 17450

     

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