How much does a reel of 12-core optical cable weigh

A 12-core optical fiber cable on a standard wooden or polymer reel typically weighs between 200 kg and 400 kg, depending on cable type, length, and reel size.

Cable Weight Considerations

The total weight depends on several factors:

• Cable type and construction: A 12-core fiber optic cable usually has a diameter of 6–10 mm and a weight of approximately 50–120 kg per kilometer, depending on whether it is loose tube, tight-buffered, or armored .
• Cable length on the reel: Standard reels can hold 1 km to 4 km of optical fiber, with longer lengths increasing total weight .
• Reel material and size: Wooden reels (series K or P) are heavier than polypropylene reels (series S). A medium-sized wooden reel can weigh 50–150 kg empty, while polymer reels are lighter, around 20–50 kg .

Example Estimation

For a typical 12-core loose tube cable:

• Cable weight: ~80 kg/km
• Reel length: 2 km
• Reel weight: 100 kg (wooden) Total weight = (80 kg/km × 2 km) + 100 kg = 260 kg For longer reels or armored cables, the total weight can reach 350–400 kg .

Practical Notes

• The moisture content of wooden reels can slightly increase weight .
• Using a reel calculator can provide more precise estimates if exact cable diameter, reel dimensions, and packing factor are known .
• Always check the manufacturer's datasheet for the specific cable type, as weight per kilometer can vary significantly between brands and constructions . In summary, a 12-core optical fiber cable on a standard reel generally weighs 200–400 kg, with the exact value depending on cable length, construction, and reel type.