5.6 0.
5.
4.8
Max.0
Insulation resistance min.8)
Specification: PTT 7/81
Application
» local network
» can laid into cable ductand and directly into ground
Environmental conditions
Temperature ranges for laying and assembly –10 +60 °C
Operation and store temperatures –40 +70 °C
Permitted minimum bending radius min. Core insulation foam skin PE. Crepe paper. years
D
outside cable diameter
Packing drums.6; 0. Cable core filled. Vss 250 250 250
Description materials:
1. GΩ. Copper wire.x4x0.
TELECOMMUNICATION
3.km min. 10D
Cable lifetime min.
2.
.. Filling material.
Transmission element each cores are twisted star quad, the quads are stranded units,
the units are stranded the cable core.4 0. min. loop resistance Ω/km 300.0 72.4 (0. 5
Mutual capacitance nF/km 42
Capacity unbalance k1
at 800 pF/500 800 800 300
Effective test voltage wire/wire 500 500 500
Effective test voltage wire/shield 2,000 2,000 2,000
Operating voltage max. 1. min.
6. outer jacket, black..
Electrical parameters (20 °C)
Conductor diameter 0.20
TK GM
. Laminated aluminium foil.0 130
