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Applications
Used for Power transmission and distribution line with voltage rated at 35kv and below. To be laid directly in ground, water, outdoors, indoors and in cable ducts e.g. in industrial and switchboard plants.
For Layling indoors and outdoors. Able to bear certain traction during installation, but not external mechanical forces.
Description
CU/XLPE/CTS/STA/SWA/PVC 11kV 22kV 33kV
IEC 60502, IEC 60228, GB/T 12706.1-2008.
CE, CCC, KEMA
Constructions
1 ..... Stranded bare copper
2 ..... Inner layer of semi-conducting material
3 ..... Core insulation of cross-linked polyethylene
4 ..... Outer layer of semi-conducting material
5 ..... Screen of copper tape
6 ..... Screen of copper wires()
7 ..... Fillers strip, Yarn, or Paper
8 ..... Non woven Wrapping tape or Flame Retardant
9 ..... Extruded PVC Inner Covering
10 .... Galvanized Steel Tape Armoured
11 .... Overall Sheath: polyvinylchloride (PVC) or FR-PVC, PE, LSOH
Conductor: Circular stranded copper conductor, conforms to IEC 60228 class 2
Insulation: XLPE/A
Inner Covering: PVC
Armour: Galvanized Steel Wire or tape
Sheath: PVC type ST2 to IEC 60502, black
Note: Insulation color as per standards or customer requirement
Table of the voltage, cores and cross-section
Item | Category A ,B | 3.6/6kV | 6/10kV | 8.7/15kV | 12/20kV | 18/30kV | 21/35kV |
Category A ,B | 6/6kV | 8.7/10kV | 12/15kV | 18/20kV | - | 26/35kV | |
Single core | mm2 | 25-1200 | 25-1200 | 35-1200 | 50-1200 | 50-1200 | 50-1200 |
Three core | mm2 | 25-400 | 25-400 | 35-400 | 50-400 | 50-400 | 50-400 |
Technical data
Rated voltage: 2-35 kV
Max. Conductor Temp.: normal (90°C), short circuit no more than 5 s (160°C when section-area below 300mm2, 140°C when section-area above 300mm2)
Min. Ambient Temp.:The cable shall be pre heated if the ambient temperature is below 0°C
Min. Bending Radius: single core cable 20(d+D)±5%
Multi-core cable 15(d+D)±5%
Test voltage | 6 / 10 kV | [kV] | 21 / 5 min. |
12 / 20 kV | [kV] | 42 / 5 min. | |
18 / 30 kV | [kV] | 63 / 5 min. | |
Temperature range | in motion | -20°C till +90°C | |
fixed | -20°C till +90°C | ||
Operating temperature | short circuit | °C | 250 |
Short circuit time | max. | [sec] | 5 |
Bending radius | min. | x diameter | 15 |
Flammability | standard | EN 50265-2-1 |