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National Motorway Communications System Specifications(TR Series)
TR2153- Non Armoured Energy Cable
Application and Description :
TR2031 Non-armoured Energy Cable is a motorway cable sheathed with medium density polyethylene
(MDPE) designed for street lighting.
Standard :
IEC 60502
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
- Tape: Polyester Binding Tape
- 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 | 35 | 50 | 70 | 95 | 120 | 150 | 185 | 240 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Resistance | ohms/ km | 1.83 | 0.727 | 0.524 | 0.387 | 0.268 | 0.193 | 0.153 | 0.124 | 0.0991 | 0.0754 |
- Current rating in duct:
| Conductor size | mm2 | 10 | 25 | 35 | 50 | 70 | 95 | 120 | 150 | 185 | 240 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current rating | A | 75 | 124 | - | 161 | 196 | 234 | 269 | 307 | - | - |
- Volt drop :
| Conductor size | mm2 | 10 | 25 | 35 | 50 | 70 | 95 | 120 | 150 | 185 | 240 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Insulation Thickness | Inner Sheath Thickness | Nominal O/D | Approx Cable Weight |
|---|---|---|---|---|---|---|
| mm2 | NO./mm | mm | mm | mm | Kg/km | |
| 3 | 10 | 7/1.35 | 0.7 | 0.8 | 13 | 455 |
| 3 | 25 | 7/2.14 | 1.2 | 1.8 | 23 | 1192 |
| 3 | 35 | 7/2.52 | 1.4 | 1.8 | 26 | 1623 |
| 3 | 50 | 19/1.78 | 1.4 | 1.8 | 29 | 2180 |
| 3 | 70 | 19/2.14 | 1.4 | 1.9 | 33 | 3072 |
| 3 | 95 | 19/2.52 | 1.6 | 2.0 | 38 | 4220 |
| 3 | 120 | 37/2.03 | 1.6 | 2.1 | 42 | 5302 |
| 3 | 150 | 37/2.25 | 1.8 | 2.3 | 46 | 6515 |
| 3 | 185 | 37/2.52 | 2.0 | 2.6 | 52 | 8173 |
| 3 | 240 | 61/2.25 | 2.2 | 2.8 | 59 | 10705 |
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