Standard:
SRPS N.C5.230
DIN VDE 0276-620; HD 620 S2; IEC 60502-2
Nominal voltage U0/U:
6/10 kV, 12/20 kV, 20/35 kV
Test voltage: 21 kV, 42 kV, 70kV
CONSTRUCTION
Conductor: multi-core compacted class 2, copper XHE 49 or aluminium XHE 49-A conductor, according to SRPS N.C0.015, IEC 60228.
Inner semi-conductive layer: extruded layer
Insulation: cross-linked polyethylene (XLPE)
Outer semi-conductive layer: extruded
and firmly attached to insulation
Sealing layer: waterproof wrapper of semi
conductive tape
Electrical protection: Soft copper wire braid with contra helical soft copper tape.
Sealing layer: waterproof wrapper of tape (semi conducting swellable tape with or without copolymer coated Al tape longitudinally applied)
Sheath: Special PE compound, black colour.
APPLICATION
In distributing network mains, industrial
plants, middle-voltage and high voltage
switchgear assemblies, thermo-power plants
and electric power plants, when cables are exposed to aggressive and wet surrounding effects. For laying indoors, in ducts, in the open
air, on cable trays, in earth and in the water.
Permissible conductor temperature:
– max operating temperature +90°C
– in short circuit (max 5 s), max +250°C
– short-term overload in emergency operation to +230°C
Permissible environment temperature:
at laying and handling, min +5°C
BENDING RADIUS (min.):
– 15D (D – cable diameter)
