GT (ground wire)
Application
- Used to protect the power lines of voltage 35kV and above from lightning overvoltage and for construction of optical communication systems via optical fiber.
- Aluminum clad steel wire
- Stranded aluminum clad steel wires and/or aluminum alloy wires
(8342) 473-813, 480-299
Nominal overall diameter, mm | from 7,6 to 30,0 |
---|---|
Total mass of wire kg/km | from 250 to 3500 |
Temperature range of operation, °C | -60… +85 |
Temperature range of installation, °C | Not lower then -30 |
Minimal bending radius | not less than 20 diameters |
Lifetime | 50 years |
Guarantee exploitation | 5 years after commissioning, no more than 5,5 years from the date of delivery |
Tensile strength | From 20,0 kN to 500,0 kN |
Crush strength | not less than 10kN/100 |