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Air Core Single Sheathed Underground Telephone Cables


  • Used for distribution and long distance networks and installed for secondary and primary networks.
  • The cable structure is completed by the application of a suitable core wrapping material, copolymer coated moisture barrier and overall the black outer jacketing.
  • Outer jacketing material is MDPE, LDPE or HDPE in accordance with ASTM D 1248.
  • Outer jacket sequentially marked by hot foil printing method.
  • Conductor
    Solid annealed electrolytic copper. The conductor sizes are 0.4, 0.5, 0.6, or 0.9 mm

    Color Coding
    Fully color-coding.

    Insulation
    Colored foam skin polyethylene insulation and solid insulation in according to ASTM 1248, foam skin insulation with cellular polyethylene covered with skin layer of high density polyethylene compound. Solid insulation made by medium or high-density polyethylene compound.

    Twisting / Quadding
    Two or four insulated wire twisted together. The twist length specially designed to minimize the capacitance unbalance and cross talk.

    Cable Core
    Stranding of 50 pairs or 100 pairs unit, which is assembled in to 10 pair groups, assembles the cable core.

    Core Wrapping
    A non-hydroscopic and dielectric polyester tape is applied helically over the cable core. Applied polyester tape at least overlaps by 5%.

    Identification
    A plastic tape, durable marked by the manufacturer name, year of manufacture, and cable size (if required) is placed under the core wrapping.

    Screen
    A single flat aluminum tape (0,2 mm thickness of aluminum) coated both side 50 micron polyethylene film applied longitudinally over core covering with an min 5 mm overlap. In customer request 0,15 mm thick aluminum tape could be used.

    Outer Jacket
    The cable core is extruded black low-density polyethylene or medium density polyethylene in accordance with ASTM D 1248. Outer jacket polyethylene is include %2,5 ±0,5 carbon black for sunrise resistance.
     

0,4 mm Conductor

Number of Pair Outer Diameter of Cable mm Weight of Copper Kg/km (Nom) App. Cable Weight (Kg/Km) Reel Length (m)* ± %5
10 8,0 22,6 75 2.000
20 9,6 45,3 110 2.000
30 10,8 67,9 150 2.000
50 12,7 115,5 210 1.000
100 16,2 231,0 380 1.000
150 19,8 346,5 550 500
200 22,3 462,0 695 500
300 26,5 693,0 995 500
400 30,1 924,1 1.295 500
600 34,9 1.386,1 1.880 500
900 42,0 2.079,1 2.760 400
1.200 48,5 2.772,2 3.650 400
1.500 53,2 3.456,2 4.495 300
1.800 57,9 4.158,2 5.350 300
2.400 65,6 5.544,3 7.000 250

 

0,5 mm Conductor

Number of Pair Outer Diameter of Cable mm Weight of Copper Kg/km (Nom) App. Cable Weight (Kg/Km) Reel Length (m)* ± %5
10 8,7 35,5 90 2.000
20 10,6 71,1 150 2.000
30 12,0 106,6 205 1.000
50 14,5 181,2 295 1.000
100 18,6 362,4 535 500
150 25,0 543,6 785 500
200 28,5 724,8 1.020 500
300 30,5 1.087,2 1.460 500
400 34,5 1.449,6 1.915 500
600 40,3 2.174,3 2.790 500
900 48,5 3.261,5 4.090 400
1.200 55,0 4.348,7 5.380 300

 

0,6 mm Conductor

Number of Pair Outer Diameter of Cable mm Weight of Copper Kg/km (Nom) App. Cable Weight (Kg/Km) Reel Length (m)* ± %5
10 10,0 51,2 120 1.200
20 12,3 102,3 195 1.200
30 14,3 153,5 265 1.200
50 17,0 260,9 407 1.200
100 22,5 521,8 753 800
150 28,0 782,8 1.095 400
200 31,5 1.043,7 1.440 400
300 38,0 1.565,5 2.105 400
400 43,5 2.087,4 2.770 400
600 51,5 3.131,1 4.055 400

 

0,9 mm Conductor

Number of Pair Outer Diameter of Cable mm Weight of Copper Kg/km (Nom) App. Cable Weight (Kg/Km) Reel Length (m)* ± %5
10 12,8 115,2 210 1.200
20 16,5 230,2 370 1.200
30 19,0 345,3 515 800
50 24,0 587,1 840 800
100 32,5 1.174,1 1.580 400
150 40,0 1.761,2 2.360 400
200 46,0 2.348,3 3.130 400
300 55,5 3.522,4 4.580 400

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