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← Back to Outdoor Loose Tube Duct Fibre Optic Cable
Cable Specification Sheet IEC 60794-3 · Rev 01 · 2026-06

Outdoor Loose Tube Duct Fibre · 72 fibre

Ordering reference  Outdoor Loose Tube Duct Fibre · 72 fibre

IEC 60794-3 Outdoor Loose Tube Duct Fibre

Application

Telecom backbones · Campus networks · Outdoor duct routes · Metro access networks

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Indicative fibre-optic loose-tube construction — not to scale

Construction

  1. 1
    Optical fibresColour-coded singlemode/multimode fibres
  2. 2
    Loose tubeGel-filled buffer tube
  3. 3
    Strength memberCentral FRP / steel rod
  4. 4
    Aramid yarnWater-blocking + aramid strength
  5. 5
    SheathUV resistant PE outdoor jacket

Technical parameters

Fibre typeOS2
Fibre count72 fibre
Cable design72 fibre OS2 Stranded loose tube duct cable
InstallationOutdoor duct, tray and campus backbone routes
Strength memberFRP central strength member
ProtectionWater-blocking yarn and tape
Sheath / jacketUV resistant PE outdoor jacket
Optical attenuation0.36 dB/km at 1310 nm, 0.22 dB/km at 1550 nm max
Tensile load1.5 kN installation load guide
Crush resistance1000 N/100 mm guide
OD guide12.4 mm
Construction design72 fibre OS2 Stranded loose tube duct cable
Conductor materialOptical fibre element
Operating temperature−40 °C to +70 °C
Cable weight94 kg/km
Bend radius15 x OD during installation / 10 x OD installed

Ratings & materials

StandardIEC 60794-3
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