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National Motorway Communications System Specifications(TR Series)
TR2161-Armoured Energy Cable
Application and Description :
TR2161 Non-armoured Energy Cable is a motorway cable sheathed with medium density polyethyylene (MDPE) designed for street lighting.
Standard :
IEC 60502, BS 5467
Cable Construction:
- Conductor: Plain annealed stranded copper conductor, comply with IEC 60228 for Class 2
- Insulation: Cross linked polyethylene (XLPE)
- Core Identification: Brown, Blue, Green/Yellow
- Inner Sheath: Medium density polyethylene (MDPE), comply with IEC 60708.
- Armor (for Armoured Cable Only): Galvanized steel wires
- Outer Sheath: Medium density polyethylene (MDPE), comply with IEC 60708.
- Sheath Color: Black
Technical Characteristics :
- Rated voltage: 600/Kft volts
- Minimum bending radius: 12 x ?
- Rated temperature: +90o C
- Conductor resistance:
Conductor size | mm2 | 10 | 25 | 50 | 70 | 95 | 120 | 150 |
---|---|---|---|---|---|---|---|---|
Resistance | ohms/ km | 1.83 | 0.727 | 0.387 | 0.268 | 0.193 | 0.153 | 0.124 |
- Current rating in duct:
Conductor size | mm2 | 10 | 25 | 50 | 70 | 95 | 120 | 150 |
---|---|---|---|---|---|---|---|---|
Current rating | A | 92 | 152 | 217 | 266 | 319 | 330 | 406 |
- Volt drop :
Conductor size | mm2 | 10 | 25 | 50 | 70 | 95 | 120 | 150 |
---|---|---|---|---|---|---|---|---|
Volt drop | mv/m | 4.1 | 1.65 | 0.87 | 0.6 | 0.45 | 0.37 | 0.3 |
Cable Parameter :
Number of Pairs | Nominal Conductor Area | Nominal Conductor Stranding | Inner Sheath Thickness | Armour thickness | Outer Sheath Thickness | Nominal O/D | Approx Cable Weight |
---|---|---|---|---|---|---|---|
mm2 | NO./mm | mm | mm | mm | mm | Kg/km | |
3 | 10 | 7/1.35 | 1.0 | 1.25 | 1.8 | 19.1 | 881 |
3 | 25 | 7/2.14 | 1.0 | 1.60 | 1.8 | 24.9 | 1703 |
3 | 50 | 19/1.78 | 1.0 | 1.60 | 2.0 | 30.7 | 2660 |
3 | 70 | 19/2.14 | 1.0 | 1.60 | 2.0 | 34.6 | 3489 |
3 | 95 | 19/2.52 | 1.2 | 2.0 | 2.2 | 40.7 | 4903 |
3 | 120 | 37/2.03 | 1.2 | 2.0 | 2.3 | 44.4 | 5891 |
3 | 150 | 37/2.25 | 1.4 | 2.5 | 2.5 | 50.0 | 7521 |