Underground Low Voltage Electrical Cable 1000V PVC Low Smoke Zero Halogen
Conductor:
Solid or stranded copper or aluminum
Insulation:
XLPE or PVC or PE
Circuit Identification:
The insulation shall be red, black, green etc. or as request.
Filler:
Polypropylene lament with lapped binding tape
Inner Sheath:
Polyvinyl chloride (Black)
Armour:
AWA (Aluminium Wire Armour) or SWA (Steel Wire Armour) or STA (Steel Tape Armour) or unarmoured
Core-covering:
Binding tape
Outer Sheath:
PVC or PE or LSZH
Application: for laying indoor, tunnel, canal and underground.
LOW VOLTAGE UNDERGROUND ELECTRICAL CABLE APPLICATION
Low voltage electrical cable is used for electrical power transmission and distribution lines with AC rated voltage Uo/U up to and including 0.6/1kV. For outdoor and indoor installation in damp and wet locations, laid directly in the ground where excessive mechanical stresses are present in sloping and moving terrains and in vertical or inclined laying as well as in locations susceptible to sliding.
LOW VOLTAGE UNDERGROUND ELECTRICAL CABLE NORMINAL AREA
0.75mm2, 1mm2, 1.5mm2, 2.5mm2, 4mm2, 6mm2, 10m2, 16mm2, 25mm2, 35mm2, 50mm2, 70mm2, 95mm2, 120mm2, 150mm2, 185mm2, 240mm2, 300mm2, 400mm2, 500mm2, 630mm2, 800mm2, 1000mm2
LOW VOLTAGE UNDERGROUND ELECTRICAL CABLE CORES
1 core, 2 core, 3 core, 4 core, 5 core, 2+1 core, 3+1 core, 3+2 core, 4+1 core
LOW VOLTAGE UNDERGROUND CABLE FEATURES
1. The highest allowed operating temperature of conductor for long-term working:
70℃ (pvc insulated cable)
90℃ (xlpe insulated cable)
2. In short-circuit (Max. Long term is no more than 5 seconds) the highest temperature for conductor is no more than:
160℃ (pvc insulated cable)
250℃ (xlpe insulated cable)
3. D.C Resistance of the conductor complies with the stipulations of GB/T3956-1997.
4. The environment temperature should be no lower than 0℃ when lay. Otherwise it should be preheate.
5.The cable is laid without horizontal drop limit. The Min. Bending radius of three core cable should be no smaller than 12 times of cable outer diameter.
6. Working Frequency Voltage Test:.
For cable with Uo of 3.6kv~18kV: 3.5Uo/5min without puncture.
PVC INSULATED LOW VOLTAGE ELECTRICAL CABLE TYPES
| Type | Name |
| VV VLV | Copper (aluminum) Conductor, PVC insulated and Sheathed Power Cable |
| VY VLY | Copper (aluminum) Conductor, PVC insulated, PE Sheathed Power Cable |
| VV22 VLV22 | Copper (aluminum) Conductor, PVC insulated, Steel-tape Armoured, PVC Sheathed Power Cable |
| VV23 VLV23 | Copper (aluminum) Conductor, PVC insulated, Steel-tape Armoured, PE Sheathed Power Cable |
| VV32 VLV32 | Copper (aluminum) Conductor, PVC insulated, Fine Steel-wire Armoured, PVC Sheathed Power Cable |
| VV33 VLV33 | Copper (aluminum) Conductor, PVC insulated, PE Sheathed Power Cable |
| VV42 VLV42 | Copper (aluminum) Conductor, PVC insulated, Thick Steel-wire Armoured, PVC Sheathed Power Cable |
| VV43 VLV43 | Copper (aluminum) Conductor, PVC insulated, Thick Steel-wire Armoured, PE Sheathed Power Cable |
3 CORE UNARMOURED LOW VOLTAGE UNDERGROUND CABLE DATA
No.cores x
cross-sec. | Insulation
thickness | Nominal Sheath
thickness | Outer Ø
approx. | weight
approx. | Current ratings in air 30℃ | Current ratings buried 20℃ | maximum DC resistance at 20℃ |
| mm² | mm | mm | mm | kg / km | A | A | Ω/km |
| 3×1.5 | 0.7 | 1.8 | 10.1 | 132 | 21 | 28 | 12.1 |
| 3×2.5 | 0.7 | 1.8 | 11.0 | 171 | 28 | 37 | 7.41 |
| 3×4.0 | 0.7 | 1.8 | 12.0 | 225 | 37 | 48 | 4.61 |
| 3×6.0 | 0.7 | 1.8 | 13.1 | 296 | 47 | 61 | 3.08 |
| 3×10 | 0.7 | 1.8 | 15.3 | 440 | 64 | 82 | 1.83 |
| 3×16 | 0.7 | 1.8 | 17.5 | 638 | 85 | 107 | 1.15 |
| 3×25 | 0.9 | 1.8 | 21.0 | 954 | 115 | 138 | 0.73 |
| 3×35 | 0.9 | 1.8 | 23.1 | 1266 | 140 | 165 | 0.52 |
| 3×50 | 1.0 | 1.8 | 23.4 | 1614 | 168 | 198 | 0.39 |
| 3×70 | 1.1 | 1.9 | 27.4 | 2264 | 213 | 242 | 0.27 |
| 3×95 | 1.1 | 2.0 | 30.6 | 2975 | 263 | 290 | 0.19 |
| 3×120 | 1.2 | 2.1 | 34.0 | 3776 | 307 | 330 | 0.15 |
| 3×150 | 1.4 | 2.3 | 38.6 | 4682 | 357 | 371 | 0.12 |
| 3×185 | 1.6 | 2.4 | 43.3 | 5802 | 415 | 418 | 0.10 |
| 3×240 | 1.7 | 2.6 | 48.1 | 7437 | 498 | 485 | 0.08 |
| 3×300 | 1.8 | 2.8 | 52.2 | 9313 | 575 | 548 | 0.06 |
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Underground Low Voltage Electrical Cable 1000V PVC Low Smoke Zero Halogen Images
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