• Optical fibres: Coloured single-mode fibres according to the ITU-T G.652.D.

  • Secondary coating: A plastic core tube with jelly filling. The cable core is wrapped longitudinally with a swellable tape.

  • Moisture barrier: Polymer coated aluminium tape applied longitudinally with an overlap. The nominal thickness of the tape is 0,15 mm. Minimum overlap is 3 mm.

  • Inner sheath: The cable inner sheath consists of UV resistant black polyethylene compound (LLDPE). Nominal sheath thickness is 1,0 mm

  • Armouring: Zinc-coated steel wires in single layer. Wire diameter is 1,6 mm.

  • Outer sheath: The cable outer sheath consists of UV resistant black polyethylene compound (HDPE). Minimum sheath thickness is 2,5 mm.

  • Sheath marking: Marking printed on the sheath at one meter interval: Nestor Cables - cable type - lot number - year of manufacture - length marking. 

All of our fibre optic and copper cables are halogen-free.

Size Nestor code STK*
12xSML L10242 0217491
2x12xSML L10248 0217492 
4x12xSML L10365 0217493
2x4x12xSML L10383 0217494


*Clicking on these numbers will take you to the product page on the Finnish STK service.



Outer diameter (24 ja 48-k)

19,2 mm

Outer diameter (96-k)

20,4 mm

Weight (24 ja 48-k)

580 kg/km

Weight (96-k)

655 kg/km

Max. tension during installation

12000 N

Crush strength with 100 mm plate

10000 N

Minimum bending radius during installation

600 mm

Minimum bending radius, installed

300 mm

Max. immersion depth

300 m