Standard: IEC 62255-3; IEC 60708
CONSTRUCTION:
Conductor: soft annealed copper wire diameter of
0,4 mm and 0,6 mm, class 1 (EN 60228)
Insulation: foamed polyethylene with a thin layer of solid polyethylene, foam-skin PE (EN 50290-2-23).
Colour code: according to IEC 60708
Twisting elements: pairs
Cable core: group (G) or concentrically stranded
Filling: compound with drop point above +70°C
(EN 50290-2-28)
Core wrapping: paper or other non-hygroscopic dielectric material
Laminated inner sheath: aluminium tape covered on both sides with a layer of copolymer-ethylene and firmly glued with PE sheath.
(EN 50290-2-24).
Sheath colour black (UV protection).
Inductive protection: Aluminum wires diameter of 3,15 mm (or 4,0 mm)
Outer sheath: Polyethylene PE, black, RAL 9005
(EN 50290-2-24) (UV protection).
APPLICATION:
In the broadband local access networks for transmission of digital signals in the range up to
30 MHz.
This cables are laid direct in the ground at the places where is requested inductive protection.
The permissible temperature range:
– at laying: from -5°C to +50°C
– before and after laying: from -30°C to +50°C
