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    Multi Loose Tube Non-Metallic Cable

    Application

    The multi loose tube non metallic cable is designed for outside plant, which is prone to electrical interference.

    Description

    The cable consists of 5 to 36 fibers containing tubes or fillers stranded in up to 3 layers around a central strength member and bound under a PE jacket. Each tube contains 4 -12 fibers. Solid or stranded steel wire coated with polyethylene is usually used as central strength member. Fiber glass reinforced plastics (FRP) will be used as central strength member if non metallic construction is required. Either aramid yarn or fi ber glass is wound around the tube to provide physical protection and tensile strength. The cable can be jacketed with either PE, PVC or LSZH though PE is the preferred option for water protection purpose. For direct burial, steel wire armour or corrugated steel tape armour is applied with an optional inner jacket of either PVC or PE. An Aluminium moisture tape can be incorporated under the jacket for water blocking and shielding purpose. A ripcord is located under the jacket to facilitate jacket removal.

    Construction

     

     

    Fiber Count Nominal Weight(kg/km) Nominal Weight(lb/kft) Nominal Outer Diameter(mm) Nominal Outer Diameter(in) Maximum Pulling Load
    Installation(N/Ib) In Service(N/Ib)
    2-36 110.0 73.83 120. 0.472 2670/600 800/180
    38-72 120.0 80.54 12.6 0.496 2670/600 800/180
    74-84 135.0 90.60 13.5 0.531 2670/600 800/180
    76-96 150.0 100.67 14.0 0.551 2670/600 800/180
    98-108 170.0 114.09 15.0 0.590 2670/600 800/180
    110-120 190.0 127.52 15.5 0.610 2670/600 800/180
    122-132 210.0 140.94 16.5 0.649 2670/600 800/180
    134-144 230.0 154.36 17.5 0.688 2670/600 800/180
    146-216 250.0 167.79 18.0 0.708 2670/600 800/180
    218-264 300.0 201.34 19.5 0.767 2670/600 800/180
    266-312 350.0 234.90 21.0 0.826 2670/600 800/180
    314-360 400.0 268.46 22.5 0.885 2670/600 800/180

    Physical Properties

    Construction

     

     

    Fiber Count Nominal Weight(kg/km) Nominal Weight(lb/kft) Nominal Outer Diameter(mm) Nominal Outer Diameter(in) Maximum Pulling Load
    Installation(N/Ib) In Service(N/Ib)
    2-36 210.0 140.94 15.0 0.590 2670/600 800/180
    38-72 230.0 154.36 15.5 0.610 2670/600 800/180
    74-84 250.0 167.79 16.5 0.649 2670/600 800/180
    76-96 270.0 181.21 17.0 0.669 2670/600 800/180
    98-108 295.0 197.98 17.5 0.688 2670/600 800/180
    110-120 320.0 214.77 18.5 0.728 2670/600 800/180
    122-132 355.0 238.26 19.0 0.748 2670/600 800/180
    134-144 370.0 248.32 20.0 0.787 2670/600 800/180
    146-216 390.0 261.74 21.0 0.826 2670/600 800/180
    218-264 455.0 305.35 22.5 0.885 2670/600 800/180
    266-312 515.0 345.64 24.0 0.944 2670/600 800/180
    314-360 580.0 389.26 26.0 1.023 2670/600 800/180

    Physical Propertie

    Construction

     

     

    Fiber Count Nominal Weight(kg/km) Nominal Weight(lb/kft) Nominal Outer Diameter(mm) Nominal Outer Diameter(in) Maximum Pulling Load
    Installation(N/Ib) In Service(N/Ib)
    2-36 700.0 469.80 21.0 0.826 8000/1800 2650/595
    38-72 830.0 557.05 23.5 0.925 8000/1800 2650/595
    74-84 870.0 583.89 24.0 0.944 8000/1800 2650/595
    76-96 900.0 604.03 24.5 0.964 8000/1800 2650/595
    98-108 950.0 637.58 26.0 1.023 8000/1800 2650/595
    110-120 1000.0 671.14 27.0 1.062 8000/1800 2650/595
    122-132 1050.0 704.70 28.0 1.102 8000/1800 2650/595
    134-144 1100.0 738.26 29.0 1.141 8000/1800 2650/595
    146-216 1300.0 872.48 31.0 1.220 8000/1800 2650/595
    218-264 1400.0 939.60 33.0 1.299 8000/1800 2650/595
    266-312 1500.0 1006.71 35.0 1.377 8000/1800 2650/595
    314-360 1600.0 1073.83 37.0 1.456 8000/1800 2650/595

    Physical Properties

    Mechanical Properties

    Minimum Bending Radius:   Maximum Compressive Load: 4000N for unarmored cables;
    Under installation: 20×OD   6000N for armoured cables
    During operation 10×OD for unarmoured cables Repeated Impact: 4.4 N.m (J)
      20×OD for armoured cables Twist (Torsion): 180×10 times, 125×OD
    Temperature Range:   Cyclic Flexing: 25 cycles for armoured cables.
    Operating Temperature Range: -40℃(-40℉) to +70℃(+158℉)   100 cycles for unarmoured cables.
    Storage Temperature Range: -50℃(-58℉) to +70℃(+158℉) Crush Resistance: 220N/cm (125lb/in)

    Fiber Compliance

    Temperature Cycling 
    Tensile Strength 
    Crush 
    Impact 
    Repeated Bending 
    Torsion 
    Kink 
    Cable Bend 
    Cool Bend
    IEC60794-1-2-F2 
    IEC60794-1-2-E1A
    IEC60794-1-2-E3 
    IEC60794-1-2-E4 
    IEC60794-1-2-E6 
    IEC60794-1-2-E7 
    IEC60794-1-2-E10 
    IEC60794-1-2-E11 
    IEC60794-1-2-E11

    Safety Compliance

    General Purpose Grade Flammability Test: OFN (UL1581)
    Riser Grade Flammability Test: OFNR/FT4 (UL1666)
    Plenum Grade Flammability Test: OFNP/FT6 (UL 910)
    FRPVC Grade Flammability Test: IEC60332-1
    LSZH Grade Halogen Content Test: IEC 60754-1 
    Acidity Test: IEC 60754; 
    Smoke Emission Test: IEC61034-1/2
    LSFROH Grade  Halogen Content Test: IEC 60754-1 
    Acidity Test: IEC 60754; 
    Smoke Emission Test: IEC61034-1/2 
    Flammability Test: IEC60332-1 & IEC 60332-3C/A
    FR Grade Fire Resistance Test : IEC 60331 / BS 6387 CWZ

    Standard Compliance

            Telcordia GR-20          RUS 7 CFR 1755.900 (REA PE-90)                         ICEA S 87-640

    Features

    • Loose Tube construction provides environmental protection
    • Loose tube jelly filled for superior fi ber protection

       

    • Colored coded fibers and binders for quick and easy identification during installation.

       

    • UV resistant for outdoor application

       

    • Dry water blocking core design for ease of handling

       

    • Anti-termite and rodent protection as options

       

    • Optional Aluminium moisture barrier for EMI protection and water protection
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