Single-core PROTOTHEN®-X (XLPE) insulated cable with stranded copper conductor, inner and outer semi conductive layers on conductor and insulation, copper wire screen, swelling tape, longitudinal Al tape, Polyethylene outer sheath. Water tightness is provided radially as well as along the copper wire screen. The same protection along the conductor may be provided upon request only.
These cables are produced according to special specifications.
- Permissible operating temperature: 90 ºC
- Permissible short-circuit temperature: 250 ºC
(for short circuit duration up to 5 sec.)
These cables are used in urban areas where overhead cables cannot be used due to security, safety and environmental reasons. They can be used as buried, underground and / or laid in concrete ducts / PVC-PE pipes, connecting national / international high voltage grid to transformer stations of power generating facilities.