OPGW/Ground Wire

OPGW C

Protection of power lines from lightning overvoltage, construction of optical communication systems.

1

Optical fiber

2

Stainless steel tube filled with water-swellable gel

3

Stranded wires (aluminum-clad Steel wires and /or aluminum alloy wires)

4

Stranded wires (aluminum-clad Steel wires and /or aluminum alloy wires)

Up to 48 fibers in a tube

Aluminum-clad steel wires are corrosion resistant

Aluminum alloy wires shield the high-voltage conductors from lightning strikes

Crush — from 1 kN/sm
Fiber count up to 48
Rated breaking strength, kN 25...210
Tensile strength, kN 15...125
Cable diameter, mm 8...18
Cable weight, kg/km 200...1230
Elasticity modulus (final), kN/mm² 70...160
Short current circuit capacity (initial temp 25° C), kA²s 5...300
Short-circuit current for 1s, kA 3...20
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Operation temperature -60°С…+85°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -60°С…+70°С
Minimum bending radius 20x cable diameter
Life time 50 years
Warranty as specified in the supply agreement, min 2 years