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Lightning cable GTK20-0 / 100-13,2 / 123 – AlfaPolyus, OOO |
Buy Lightning cable GTK20-0 / 100-13,2 / 123
Lightning cable GTK20-0 / 100-13,2 / 123

Lightning cable GTK20-0 / 100-13,2 / 123

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Belarus, Minsk
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Technical characteristics
  • BrandАльфаПолюс, ООО
  • Country of manufactureBelarus
  • Protective functionsTotally Enclosed

General information: ГТКXX-1/2/3 / 4ГТК - ground wire is corrosion-resistant; An example of the record of the symbol of a ground wire of the State Customs Committee with a nominal diameter of 9.1 when ordering it and in the documentation of another product: "GTK20-0 / 50-9.1 / 60". xx is a type of aluminum-clad wire; 1 - section of aluminum wires; 2 - section of steel clad with aluminum wires; 3 - diameter of the SCC, mm; 4 - mechanical tensile strength, kN. It is used as a grounded extended cable lightning conductor, stretched along an overhead transmission line, used to protect conductive wires from direct lightning strikes. Corrosion-resistant lightning protection cables (SCC) are designed for suspension on power lines with a voltage of 35 kV and above. GTK are made of aluminum-clad steel wires or aluminum-clad steel clad with aluminum and aluminum alloy wires. SCCs are operated at an ambient temperature from minus 60 to plus 80 ° C, taking into account solar radiation. Advantages: - A clad cable cannot cause an emergency. All wires of the cable are preformed in such a way that when one or several wires break, they are not spun out of a layer. - Load on supports. The weight of the clad rope is less than steel, which significantly reduces the load on the supports. With the same tonnage with a steel cable, the clad cable is a much larger volume in kilometers. - High corrosion resistance. All steel wires are coated with aluminum, which is several times more effective in protecting steel from corrosion. - High reliability. Bimetallic wire, obtained using cladding technology, adheres aluminum to steel at the molecular level, after which even with strong mechanical action it is impossible to remove aluminum from steel, as a result, the wire cannot be subject to corrosion due to the violation of protective cover. - Resistance to high temperatures. - Resistance to high short-circuit currents. - The lifetime of a clad cable is 45 years. - The plated ground wire is resistant to eolian vibration and galloping. - Easy installation. A clad cable is similar in size to traditional cables, and is accordingly mounted in standard clamps.

SCC Outer diameter, mm 13.2
SCC Weight kg / km 700
Mechanical strength, kg 12515
The maximum permissible load, kg 8760
Average operating load, kg 4380
Square steel elements mm2 101.7
The total cross section in mm2 101.7
R DC at 20S0, OM / km .8704
Thermal effects of short-circuit current, kA2s 94.1
Thermal linear expansion factor, 10-6 1 / 0C 13
End module of elasticity, kg / mm2 162


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Lightning cable GTK20-0 / 100-13,2 / 123
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