1 Class 1 or class 2 copper conductor, according to SR EN 60228
2 Cross-linked polyethylene (XLPE) insulation
3 Inner cover
4 Galvanized steel wire reinforcement (Ar)
5 Outer sheath of PVC type ST2 according to SR CEI 60502-1

 The cables are intended for the use of electricity in fixed electrical installations

Reference standard: SR CEI 60502-1
Product standard: SF 36 IPROEB
Nominal tension: Uo/U(Um) = 0,6/1 (1,2) kV
Cable temperature (measured on the sheath):

– at assembly : -5 °C
– during exploitation: -40 °C

Maximum temperature allowed on the conductor:

– during normal exploitation conditions: 90 °C
– during short circuit (max. 5 s) : 250 °C

Test voltage: 4 kV, 50 Hz, 5 min
Minimum radius of bonding:

– 15 x cable diameter with one conductor
– 12 x cable diameter with more conductors

C2XArY – flame retardant delayed cable according to SR EN 60332-1-2
C2XArY-F – cable with increased flame 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)