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    12.7/22kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor)

    • 12.7/22kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor)
    • 12.7/22kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor)

    Application

    These cables are designed to be used for the supply of electrical energy in fixed applications up to the rated voltages at a nominal power frequency between 49Hz and 61Hz., they are suitable for use in distribution installation, electrical power station , they are applied for installation, outdoors, underground where subject to mechanical damage.

    Standard

    AS/NZS 1429.1

    Cable Construction

    • CONDUCTOR: Plain circular compacted copper to AS/NZS1125 Maximum Continuous Operating Temperature: 90°C
    • CONDUCTOR SCREEN: Extruded semi-conducting compound, bonded to the insulation and applied in the same operation as the insulation
    • INSULATION: Cross Linked Polyethylene (XLPE) – standard Ethylene Propylene Rubber (EPR) – alternative
    • INSULATION SCREEN: Extruded semi-conducting compound
    • METALLIC SCREEN: Plain annealed copper wire: 10kA for nominal 1 second(HEAVY DUTY)
    • BEDDING: PVC
    • ARMOURING: Galvanised steel wires
    • SHEATH: Black 5V-90 polyvinyl chloride (PVC) – standard
    • Orange 5V-90 PVC inner plus black high density polyethylene (HDPE) outer – alternative Low smoke zero halogen (LSOH) – alternative

    Technical Characteristics

    NOMINAL CONDUCTOR AREA MAXIMUM CONDUCTOR DC RESISTANCE AT 20°C COND. AC RESISTANCE AT 50HZ AND 90°C INDUCTIVE REACTANCE AT 50HZ INSULATION RESISTANCE AT 20°C CONDUCTOR TO SCREEN CAPACI TANCE CHARGING CURRENT PER PHASE DIELE CTRIC LOSS PER PHRASE MAXI MUM DIAELE CTRIC STRESS SCREENDC RESISTANCE AT 20°C ARMOURDC RESISTANCE AT 20°C ZERO SEQUENCE RESISTANCE AT 20°C ZERO SEQ. REACT. AT 50HZ
    MM2 OHM/KM OHM/KM OHM/KM MEGOHM. KM ΜF X KM A X KM W X KM KV X MM OHM/KM OHM/KM OHM/KM OHM/KM
    35 0.524 0.668 0.141 16000 0.156 0.622 31.6 3.63 0.531 0.487 1.29 0.0923
    50 0.387 0.494 0.134 14000 0.171 0.682 34.7 3.48 0.367 0.465 1 0.0858
    70 0.268 0.342 0.127 13000 0.192 0.765 38.9 3.31 0.265 0.438 0.763 0.0786
    95 0.193 0.247 0.117 11000 0.216 0.862 43.8 3.16 0.265 0.408 0.675 0.0693
    120 0.153 0.196 0.112 10000 0.236 0.942 47.8 3.07 0.265 0.302 0.577 0.0648
    150 0.124 0.16 0.109 9500 0.254 1.01 51.5 3 0.266 0.288 0.54 0.0615
    185 0.0991 0.128 0.105 8800 0.274 1.09 55.6 2.93 0.266 0.276 0.506 0.0582
    240 0.0754 0.0981 0.101 7900 0.305 1.22 61.8 2.85 0.265 0.257 0.468 0.0542
    300 0.0601 0.0792 0.0988 7200 0.334 1.33 67.8 2.79 0.265 0.241 0.44 0.0519
    400 0.047 0.0633 0.0944 6500 0.371 1.48 75.1 2.73 0.265 0.224 0.413 0.0477
    500 0.0373 0.0518 0.0915 5900 0.407 1.62 82.4 2.69 0.265 0.209 0.39 0.045

    Cable Parameter

    SECTIONAL AREA OF CONDUCTOR NOM. CONDUCTOR DIAMETER NOM. INSULATION THICKNESS NOM. DIAMETE OVER INSULATION SCREEN AREA ON CORES NO. AND DIAMTER OF SCREENED WIRES NOM. DIAMETE OVER SCREENED WIRES NOM. DIAMETE OVER BEDDING NOM. DIAMETE OF ARMOUR NOM. DIAMETE OVER ARMOUR NOM. OVERALL DIAMETER ? APPROX. MASS
    MM2 MM MM MM MM2 NO X MM MM MM MM MM MM KG/100M
    35 6.8 5.5 19.1 34 20 x 0.85 22.4 52.1 2.5 57.1 63.2 610
    50 8 5.5 20.3 49.4 29 x 0.85 23.6 54.8 2.5 59.8 66 685
    70 9.6 5.5 21.9 68.1 40 x 0.85 25.2 58.5 2.5 63.5 70.1 810
    95 11.5 5.5 23.8 68.1 40 x 0.85 27.1 62.6 2.5 67.6 74.4 935
    120 13.1 5.5 25.3 68.1 40 x 0.85 28.6 66.3 3.15 72.6 79.6 1140
    150 14.5 5.5 26.8 68.1 40 x 0.85 30.1 69.6 3.15 75.9 83.1 1270
    185 16.1 5.5 28.4 68.1 40 x 0.85 31.7 73 3.15 79.3 87 1400
    240 18.5 5.5 30.8 68.1 40 x 0.85 34.1 78.5 3.15 84.8 92.6 1640
    300 20.7 5.5 33.2 68.1 40 x 0.85 36.7 84.2 3.15 90.5 98.8 1900
    400 23.6 5.5 36.1 68.1 40 x 0.85 39.6 90.7 3.15 97 105.6 2260
    500 26.5 5.5 39 68.1 40 x 0.85 42.5 97.1 3.15 103.4 112.5 2640
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