ПвКШвнг(А)-ХЛ (PvKShvng(A)-KhL) – Russian analogue of N2XRY Cold Resis tance Flame Retardant
SCOPE AND PURPOSE
The cables are designed for transmission and distribution of electric energy in stationary electric installations on alternating voltage 0,66 and 1 kV and frequency 50 Hz.
The cables are used for group installation in cable lines in cable constructions, open-air electrical installations (cable overpasses, arcades).
The cables armored with steel, galvanized wires or wires of aluminum or aluminum alloy are designed for laying on the route, where the tensile forces during exploration are possible, including for installation in seismically active areas, in conditions of permafrost and areas, subjected to offset soil, in bulk and dry soils.
While manufacturing the cables one uses the materials, which allow the cables to be resistant to low temperatures up to – 600C (degrees below zero) are used.
The class of fire hazard of the cables according to GOST 31565 П1б.18.104.22.168.
Copper core of circular of sector-shaped form, of the 1 or 2 class according to GOST 22483.
XLPE (color coded conductor).
Core arrangement and twisting
Insulated conductors of multi-core cables are twisted. It is allowed to manufacture cables with SZ-stranding.
PVC-compound or PVC-compound of low flammability is manufactured with the extrusion with filling of exterior gaps between insolated conductors (for cables with nominal cross-section to 16 mm2 inclusive the inner sheath may be without any filling.
For cables of types PvKShvng (A)KhL is laid helically with steel, galvanized wires.
Cable sheath or jacket
PVC-compound of low flammability
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