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Production » Optical microcables for urban networks » Cables for suspension » Microcable OKM-A(S)

Microcable OKM-A(S)

Fiber-optic cable OKM-A(S) for suspension on overhead power lines.

APPLICATION:

Fiber-optic cable OKM-A(S) is designed for suspension on overhead power lines, urban lighting pillars, between buildings in case of high requirements of crush strength.

  1. Central strength member – fiberglass reinforced plastic rod
  2. PE coating of rod
  3. Optical fiber
  4. SZ stranded PBT micro-loose tubes filled with hydrophobic gel
  5. Aramid yarns/ glass yarns
  6. Protective jacket
  7. * longitudinal watertightness of the cable is provided by a hydrophobic gel

DESCRIPTION:

Cable contains polymer tubes with optical fibers. Polymer tubes are SZ-stranded around FRP central strength member in PE-jacket. Interstice inside and between tubes is filled with hydrophobic filler. Cable core is wrapped by yarns. High modulus aramid yarn layer covers cable core. Outer jacket of high density polyethylene is imposed on the cable core.

PROPERTIES:

Number of fibersup to 48up to 72up to 96up to 144
Number of polymer tubes 6 6 8 12
Number of optical fibers in a tube 6 12 12 12
Nominal overall diameter, mm from 7,6 from 8,3 from 8,8 from 10,0
Total mass of cable with polyethylene jacket, kg/km 30,5 39,6 43,5 60,0
Temperature range of operation, °С
-60… +70
Temperature range of installation, °С
not less than -10
Minimal bending radius, mm
not less than 10 diameters
Tensile strength
from 1,5 kN
Crush strength
from 3 kN/100 mm
Outer sheath type
HDPE

Documentation is on request

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