1 Class 1 or class 2 copper conductor, according to SR EN 60228
2 PVC insulation
3 Common coating
4 Copper strip screen
5 Inner PVC sheath
6 Reinforcement of galvanized (Abz) or ungalvanized (Ab) steel strips
7 PVC outer sheath

The cables are intended for the use of electricity in high voltage stations
Cables reinforced with a conductor are not intended for use in alternating current.

Reference standard : SR CEI 60502-1
Product standard: SF 9 IPROEB
Rated voltage: Uo/U (Um) = 0,6/1 (1,2) kV
Minimum temperature of the cable (measured on the sheath):

– during assembly: + 5 °C
– during operation: – 33 °C

Maximum allowable temperature on the conductor

-during normal exploitation conditions: 70 °C ;
-at short circuit (max. 5 s): 160 °C

Test voltage: 3,5 kV, 50 Hz, 5 min
Minimum radius of curvature:
15 x cable diameter with one conductor
12 x cable diameter with more conductors
The cables are flame retarded according to SR EN 60332-1-2
Cables which have F F symbol have increased propagation delay according to SR EN 60332-3-24
Meaning of conductor symbols:

ru– single-wire round conductor (class 1)
rm– multi-wired round conductor (class 2)
sm- multi-wired sector conductor (class 2)