Standard: SRPS N.C5.220
DIN VDE 0276-620; HD 620 S2
IEC 60502-2
Nominal voltage U0/U: 6/10 kV
Test voltage: 21 kV
CONSTRUCTION:
Conductor: multi-core annealed conductor
class 2, copper PHP 85 or aluminium PHP 85-A
according to SRPS N.C0.015, IEC 60228.
Inner semi-conductive layer
Insulation: special high-voltage PVC compound
Outer semi-conductive layer: extruded,
with wrapped semi-conductive tape over
extruded layer.
Electric protection (screen): wrapped copper tape around each conductor.
Core: 3 cores are stranded together.
Separate sheath: extruded, non hygroscopic layer.
Armour: wrapped flat galvanized steel wires
with contra helical galvanized steel tape.
Outer sheath: PVC compound.
Sheath colour black, for use in mining red.
APPLICATION
In urban networks, industrial plants and power
plants, when the cable is exposed to severe
mechanical tensile strains during laying down
or use. For lying in ducts, in the open air and
in earth.
Permissible conductor temperature:
– max operating temperature +70°C
– in short circuit (max 5 s), max +160°C
Permissible environment temperature:
at laying and handling, min +5°C
BENDING RADIUS (min.):
– 15D (D – cable diameter)
