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-blocking 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 96 fibers

Aluminum-clad steel wires are corrosion resistant

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

Crush — 1 kN/cm
Fiber count up to 96
Rated breaking strength (RBS) (without SSLTs), kN 25...210
Maximum rated design tension (MRDT), kN 15...125
Cable diameter, mm 8...18
Cable weight, kg/km 200...1230
Elasticity modulus (final), kN/mm2 70...160
Short circuit capacity (initial temp 25°С), kA²•s 5...300
Short circuit current for 1 s, kA 2...20
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Operation temperature -50°С…+85°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -50°С…+70°С
Minimum bending radius 20x cable diameter
Life time 50 years