For power transmission and power distribution, generally for fixed underground installation in industrial plants
and public buildings, electric stations and transforming plants, where mechanical damage is not anticipated.
Technical characteristics:
Produced according to DIN VDE 0276 - 603 - for constructions up to 5 cores
Produced according to DIN VDE 0276 - 627 - for constructions above 5 cores
Rated voltage: U0/U – 0.6/1 kV
Test Voltage:
Alternating Current - 4 kV, with frequency 50 Hz
Direct Current - 12 kV
Maximum conductor temperature: +70 °C
Maximum conductor temperature at short circuit for 5 seconds: +160 °C
Temperature Range: îò -30 °C äî +50 °C
Minimum temperature during installation: -5 °C
Minimum bending radius during installation:
For single core cables: 15 D
For multiple core cables: 12 D
Flame test: flame retardant according to IEC 60332-1
Outer Sheath Colour: Black
Cable Design:
Copper conductors
Flexibility class 1 or 2 according to IEC 228 (DIN VDE 0295)
Insulation: PVC
Bedding (inner covering)
Outer Sheath: PVC
NYY-J - with protective conductor
NYY-O - without protective conductor
Conductor Shape Designation:
RE – circular solid
RM – circular stranded
SM – sector stranded
Colour coding:
Colour coding
Number of cores
Without protective conductor
With protective conductor
1
Black
Green-yellow
2
Black, blue
Green-yellow, black (only for sections over 10 mm2)
3
Black, blue, brown
Green-yellow, black, blue
4
Black, blue, brown, black
Green-yellow, black, blue, brown
5
Black, blue, brown, black, black
Green-yellow, black, blue, brown, black
Above 5
Black with number coding
Green-yellow, the others - black with number coding
