|
Cable Design
|
|
|
|
Conductor
|
Copper, round, massive and annealed
|
|
|
|
Insulation
|
Foam-skin polyethylen
|
|
|
|
Element type
|
star quad
|
|
|
|
Cable core lay-up
|
Layer stranding
|
|
|
|
Cable core filling
|
Longitudinal water tightness achieved by swellable yarns and tapes
|
|
|
|
Core wrapping
|
Several layers of non-hygroscopic plastic and swellable tapes
|
|
|
|
sheathing
|
LAP sheathing (reinforced for all non-armoured types)
|
|
|
|
screening
|
helically applied copper wires
|
|
|
|
Armouring
|
Two layers of helically applied galvanized steel tapes
|
|
|
|
Outer sheath
|
PE sheathing, black
|
|
|
|
Dimensions
|
unit
|
|
|
|
|
|
Conductor diameter
|
mm
|
0.9
|
1.4
|
|
|
|
Cable size
|
quads
|
from 3 to 33
|
|
|
|
Standard delivery length
|
m
|
500 / 1000
|
|
|
|
Electrical characteristics
|
unit
|
0.9 mm
|
1.4 mm
|
|
|
|
Loop resistance
|
max.
|
Ohm/km
|
56.6
|
23.4
|
|
|
|
Resistance unbalance
|
max.
|
Ohm/km
|
0.3
|
0.2
|
|
|
|
Mutual capacitance
|
nominal
|
nF/km
|
34.0
|
36.0
|
|
|
|
Insulation resistance
|
min.
|
GOhm x km
|
10
|
|
|
|
Capacitance unbalance at 800 Hz
|
|
|
|
|
|
- within quads and between adjacent quads
|
|
|
|
|
|
max. individual value, 100 %
|
pF/km
|
400
|
|
|
|
max. individual value, 85 %
|
pF/km
|
110
|
|
|
|
- to ground
|
max., 100 %
|
pF/km
|
1650
|
|
|
|
|
max., 85 %
|
pF/km
|
1300
|
|
|
|
Attenuation at 800 Hz max.
|
dB/km
|
0.60
|
0.40
|
|
|
|
Dielectric strength, AC, 1 min
|
|
|
|
|
|
core/core
|
V
|
500
|
|
|
|
core / screen
|
V
|
2500
|
|
|
|
Transmission characteristics at 1024 kHz
|
unit
|
0.9 mm
|
|
|
|
|
|
|
Attenuation max.
|
dB/km
|
9.0
|
|
|
|
NEXT within quads
|
min.
|
dB
|
45
|
|
|
|
- between quads of PCM group
|
min.
|
dB
|
55
|
|
|
|
- between PCM groups
|
min.
|
dB
|
64
|
|
|
|
ELFEXT for 1000 m min.
|
dB
|
45
|
|
|
|
EMC properties
|
unit
|
|
|
|
|
Reduction factor at 16,7 Hz
|
min.
|
|
|
|
|
|
Typical value between 70 ... 100 V/km
|
-
|
0.15...0.54 depending of cable type
|
|
|
|
Reduction factor at 50 Hz
|
min.
|
|
|
|
|
|
Typical value between 200 ... 300 V/km
|
-
|
0.09...0.30 depending of cable type
|
|
|
|
Mechanical properties
|
unit
|
|
|
|
|
Min. bending radius for ...
|
|
|
|
|
|
|
repeated bending (all types)
|
-
|
20 x D
|
|
|
|
final shaping with armouring
|
-
|
15 x D
|
|
|
|
final shaping without armouring
|
-
|
10 x D
|
|
|
