XV-U IEC 60502-1标准LV MV Power Cables 

概述：XV-U IEC 60502-1标准LV MV Power Cables
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XV-U
▓▓APPLICATIONS:
These cables for energy distribution are suitable for all types of low voltage industrialtype
connection, in urban grids, building installations, etc. Particularly suited in cases of
high operating temperature and when high resistance to solar radiation and atmospheric
agents is required. Good resistance to low temperature and chemical agents. Can be used
without additional mechanical protection in the open air, fixed to walls or in raceways, inside
walkways, and in empty in Cable Constructions in general. Can be laid underground with
mechanical protection constructed from slabs, tiles, or bricks. They are not recommend to lay
this cable in ground flooded for more than two months per year. With appropriate mechanical
protection it can be use in areas subject to risk of explosion, but in this case the permitted
current load is reduced by 15%. It can be used in ambient temperature down to -25°.
▓▓STANDARD:
IEC 60502-1
▓▓CONSTRUCTION:
Conductor: Solid copper conductor, class 1 to IEC 60228
Insulation: XLPE insulation
Colour Code:
2 cores - Brown + Blue
3 cores (G) - Green-Yellow + Brown + Blue
3 cores - Brown + Black + Grey
4 cores (G) - Green-Yellow + Brown + Black + Grey
4 cores - Blue + Brown + Black + Grey
5 cores (G) - Green-Yellow + Blue + Brown + Black + Grey
XLPE insulation
Filler
PVC outer jacket
Anealed copper conductor
5 cores - Blue + Brown + Black + Grey + Black
Filler: Not fibrous and not hygroscopic filler
Over Sheath: Flexible black PVC,type ST2 outer jacket
▓▓PHYSICAL PROPERTIES:
Minimum bending radius: 12 x Ø
Operation temperature range: -15 °C to 90 °C
Short-circuit temperature: 250 °C
▓▓ELECTRICAL PROPERTIES:
Working Voltage: 600/1000 volts
Test voltage: 3500 volts
Insulation resistance: 20 MΩ x km
▓▓Parameters:
AWG
Cross
Section
mm2
Insulation
thickness
mm
Minimum
Sheath
thickness
mm
Maximum
Overall
diameter
mm
Approx
Cable
weight
kg/km
16 2X1.5 0.7 1.4 10.0 120
16 3X/G1.5 0.7 1.4 10.3 144
14 3G2.5 0.7 1.4 11.5 187
14 5G2.5 0.7 1.8 14.0 260
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