The fact that cables can carry both electrical power and optical transmissions means that the full capabilities of new or existing low and medium tension network structures can be fully utilised.

WRAPPED OPTICAL CABLE 24 FIBRES

FOR PROTECTION GROUND WIRE

Construction

FIBRE
Optical fibre cable nr 24
Max Attenuation 1310 nm dB/Km 0.43
1550 nm 0.26
Cromatic Dispersion 1310 nm ps (nm x Km) 3.5
1550 nm 20
CABLE CORE
Strength member diameter mm 1.7
Slot diameter mm 5.3
MECHANICAL VALUES
Max applicable load N 600
Max applicable load during installation N 100
Minimun bending radius mm 50
DIMENSIONS
Sheaths inner mm thickness 0.45
diameter 6.6
outer mm thickness 0.45
Outer diameter mm 7.5
Nominal weight Kg/m 0.55

OPTICAL PROTECTION GROUND WIRE 24 FIBRES

FOR HIGHT-VOLTAGE OVERHEAD SYSTEM

Construction

FIBRE
Optical fibre cable nr 24
Max Attenuation 1310 nm dB/Km 0.43
1550 nm 0.26
Cromatic Dispersion 1310 nm ps (nm x Km) 3.5
1550 nm 20
CABLE CORE
Strength member diameter mm 1.7
Slot diameter mm 5.3
Aluminium tube mm thickness 0.8
mm diameter 7.0
ARMOUR
1° layer steel alumoweld wires n x mm diam 18 x 2.02
2° layer aluminium wires n x mm diam 23 x 2.02
MECHANICAL VALUES
Breaking load da N >10600
Modulus elasticity da N mm2 8800
Short circuit current kA/1 sec 14
kA/0.5 sec 20
Coeff. linear expansion 1/°C 17 x 10 exp-6
DIMENSIONS
Outer diameter mm 17.9
Nominal weight Kg/m 0.82

OPTICAL PROTECTION GROUND WIRE 24 FIBRES

FOR HIGH-VOLTAGE OVERHEAD SYSTEM

Construction

FIBRE
Optical fibre cable nr 24
Max Attenuation 1310 nm dB/Km 0.43
1550 nm 0.26
Cromatic Dispersion 1310 nm ps (nm x Km) 3.5
1550 nm 20
CABLE CORE
Strength member diameter mm 1.7
Slot diameter mm 5.3
Aluminium tube mm thickness 0.8
mm diameter 7.0
ARMOUR
Single layer steel alumoweld wires n x mm diam 13 x 2.4
MECHANICAL VALUES
Breaking load da N >7450
Modulus elasticity da N mm2 10000
Short circuit current kA/1 sec 7
kA/0.5 sec 10
Coeff. linear expansion 1/°C 16 x 10 exp-6
DIMENSIONS
Outer diameter mm 12.5
Nominal weight Kg/m 0.60

Cables

WRAPPED OPTICAL CABLE 24 FIBRES

24 Optical fibre cable, Max Attenuation 1310 nm dB/Km 0.43

OPTICAL PROTECTION GROUND WIRE 24 FIBRES

24 Optical fibre cable, Max Attenuation 1310 nm dB/Km 0.43

OPTICAL PROTECTION GROUND WIRE 24 FIBRES

24 Optical fibre cable, Max Attenuation 1310 nm dB/Km 0.43