OPGW Optical Cable Weight Table

The weight of OPGW cables typically ranges from 0.8 kg/m to 2.5 kg/m depending on fiber count, metallic layers, and overall construction.

Weight Factors

The weight of an OPGW cable depends on several factors:

• Fiber Count and Core Design: Cables with more optical fibers (up to 48 or more) require larger central stainless steel tubes and additional protective layers, increasing weight .
• Metallic Layers: OPGW cables include layers of aluminum-clad steel (AS) and aluminum alloy (AA) wires for mechanical strength and conductivity. Double or triple layers of these metals significantly increase the cable mass .
• Diameter and Armor: Larger diameters and additional armor layers for high-tension or high short-circuit current applications add to the weight .
• Material Choice: Stainless steel tubes, aluminum alloy, and galvanized steel wires have different densities, affecting the overall weight per meter .

Typical Weight Ranges

• Lightweight OPGW: 0.8–1.2 kg/m, usually for low fiber count (up to 24 fibers) and single-layer metallic protection.
• Standard OPGW: 1.2–1.8 kg/m, for medium fiber counts (24–48 fibers) with double-layer metallic protection.
• Heavy-duty OPGW: 1.8–2.5 kg/m, for high fiber counts (48–144 fibers) and double or triple metallic layers designed for high mechanical load or high short-circuit current .

Additional Considerations

• Installation Load: The weight per meter affects tower loading, sag calculations, and tension during installation.
• Environmental Factors: Ice, wind, and temperature variations can add effective load, so engineers often consider a safety margin above the nominal cable weight.
• Customization: Manufacturers can adjust the number of fibers, metallic layers, and tube materials, which directly changes the weight per meter . In summary, while the exact weight depends on the specific OPGW design, most commercially available OPGW cables fall within 0.8–2.5 kg/m, with heavier cables used for high-capacity or high-stress applications.