Fiber optic tow cable - Type 118440

Construction characteristics

Fibre optic element: 4 x Single mode fibre in steel tube (1 each).
Colour: blue orange, green, brown
Conductor: 1,5 mm² compacted stranded bare copper conductor
(7 x 0,53 mm) insulated with PP.
Nominal thickness 0,4 mm (2 each). Colour: red, blue
Filler: PE filler element
Inner jacket: HDPE jacket, nominal thickness 0,3 mm, nominal diameter 5,3 mm
Armouring: One layer of galvanized steel wires, diameter 1,3 mm
One layer of galvanized steel wires, diameter 1,1 mm

 

Mechanical characteristics

Outer diameter: 10,0 ± 0,3 mm
Weight in air: approx. 390 kg/km
Weight in seawater: approx. 320 kg/km
Min. bending radius: approx. 200 mm
Theoretical breaking strength: approx. 74 kN
Min. breaking strength: approx. 67 kN
Min. safe working load: 15 kN

 

Electrical characteristics

Electrical DC resistance: ≤13,5 Ω/km
Insulations resistance: ≥ 10 GΩ/km
Max operating voltage: 1 kV
Test voltage, DC, 2 min: 4 kV
Attenuation rate: ≤0,5 dB/km at 1310 nm
≤0,3 dB/km at 1550 nm