3.8/6.6kV Three Core Individual Screened & PVC Sheathed (Al Conductor)
Application
These cables are designed to be used for the supply of electrical energy in fixed applications up to the rated voltages at a nominal power frequency between 49Hz and 61Hz., they are suitable for use in distribution installation, electrical power station , they are applied for installation, outdoors, underground where subject to mechanical damage.
Standard
AS/NZS 1429.1
Cable Construction
- CONDUCTOR: Plain circular compacted aluminium to AS/NZS1125 Maximum Continuous Operating Temperature: 90°C
- CONDUCTOR SCREEN: Extruded semi-conducting compound, bonded to the insulation and applied in the same operation as the insulation
- INSULATION: Cross Linked Polyethylene (XLPE) – standard Ethylene Propylene Rubber (EPR) – alternative
- INSULATION SCREEN: Extruded semi-conducting compound
- METALLIC SCREEN: Plain annealed copper wire: 3kA for nominal 1 second(LIGHT DUTY) Plain annealed copper ire: 10kA for nominal 1 second(HEAVY DUTY)
- SHEATH: Black 5V-90 polyvinyl chloride (PVC) – standard
- Orange 5V-90 PVC inner plus black high density polyethylene (HDPE) outer – alternative Low smoke zero halogen (LSOH) – alternative
Technical Characteristics
LIGHT DUTY
| Nominal conductor area | Maximum Conductor DC resistance at 20°C | Cond. AC resistance at 50Hz and 90°C | Inductive reactance at 50Hz | Insulation resistance at 20°C | Conductor to screen capacitance | Maximum diaelectric stress | Current Ratings | ||
| Unenclosed In Air | Buried Direct | Buried In Ducts(c) | |||||||
| mm2 | Ohm/km | Ohm/km | Ohm/km | MegOhm.km | uF x km | kV x mm | A | A | A |
| 35 | 0.868 | 1.11 | 0.12 | 8700 | 0.278 | 1.92 | 122 | 137 | 114 |
| 50 | 0.641 | 0.822 | 0.115 | 7800 | 0.309 | 1.87 | 95 | 166 | 137 |
| 70 | 0.443 | 0.569 | 0.106 | 6800 | 0.353 | 1.82 | 185 | 193 | 176 |
| 95 | 0.32 | 0.41 | 0.101 | 6000 | 0.4 | 1.77 | 222 | 238 | 198 |
| 120 | 0.253 | 0.325 | 0.0976 | 5500 | 0.439 | 1.74 | 257 | 270 | 225 |
| 150 | 0.206 | 0.265 | 0.0948 | 5100 | 0.477 | 1.72 | 293 | 306 | 254 |
| 185 | 0.164 | 0.211 | 0.0923 | 4700 | 0.518 | 1.7 | 333 | 342 | 292 |
| 240 | 0.125 | 0.162 | 0.0896 | 4300 | 0.561 | 1.62 | 390 | 394 | 331 |
| 300 | 0.1 | 0.13 | 0.0885 | 4100 | 0.582 | 1.5 | 447 | 447 | 378 |
Cable Parameter
LIGHT DUTY
| Sectional Area of Conductor | Nom. Conductor Diameter | Nom. Insulation Thickness | Nom. Diamete Over insulation | Screen Area on Each core | No. and Diamter of Screened Wires | Nom. Diamete Over Screened Wires | Nom. Overall Diameter | Approx. mass |
| mm2 | mm | mm | mm | mm2 | no x mm | mm | mm | kg/100m |
| 35 | 6.9 | 2.5 | 13 | 6.8 | 14.5 | 39.5 | 123 | |
| 50 | 8.1 | 2.5 | 14.2 | 6.8 | 15.6 | 42.1 | 141 | |
| 70 | 9.6 | 2.5 | 15.8 | 7.9 | 17.3 | 45.9 | 174 | |
| 95 | 11.4 | 2.5 | 17.5 | 8.5 | 18.9 | 49.6 | 209 | |
| 120 | 12.8 | 2.5 | 18.9 | 9.1 | 20.5 | 53.2 | 241 | |
| 150 | 14.2 | 2.5 | 20.3 | 9.6 | 21.9 | 56.4 | 276 | |
| 185 | 15.7 | 2.5 | 21.8 | 10.2 | 23.5 | 60.1 | 320 | |
| 240 | 18 | 2.6 | 24.3 | 10.8 | 26.1 | 66.2 | 392 | |
| 300 | 20.1 | 2.8 | 27 | 11.9 | 29.0 | 72.7 | 473 |
Technical Characteristics
HEAVY DUTY
| Nominal conductor area | Maximum Conductor DC resistance at 20°C | Cond. AC resistance at 50Hz and 90°C | Inductive reactance at 50Hz | Insulation resistance at 20°C | Conductor to screen capacitance | Maximum diaelectric stress | Current Ratings | ||
| Unenclosed In Air | Buried Direct | Buried In Ducts(c) | |||||||
| mm2 | Ohm/km | Ohm/km | Ohm/km | MegOhm.km | uF x km | kV x mm | A | A | A |
| 35 | 0.868 | 1.11 | 0.12 | 8700 | 0.278 | 1.92 | 122 | 137 | 114 |
| 50 | 0.641 | 0.822 | 0.115 | 7800 | 0.309 | 1.87 | 95 | 166 | 137 |
| 70 | 0.443 | 0.569 | 0.106 | 6800 | 0.353 | 1.82 | 185 | 193 | 176 |
| 95 | 0.32 | 0.41 | 0.101 | 6000 | 0.4 | 1.77 | 222 | 238 | 198 |
| 120 | 0.253 | 0.325 | 0.0976 | 5500 | 0.439 | 1.74 | 257 | 270 | 225 |
| 150 | 0.206 | 0.265 | 0.0948 | 5100 | 0.477 | 1.72 | 293 | 306 | 254 |
| 185 | 0.164 | 0.211 | 0.0923 | 4700 | 0.518 | 1.7 | 333 | 342 | 292 |
| 240 | 0.125 | 0.162 | 0.0896 | 4300 | 0.561 | 1.62 | 390 | 394 | 331 |
| 300 | 0.1 | 0.13 | 0.0885 | 4100 | 0.582 | 1.5 | 447 | 447 | 378 |
| 400 | 0.0778 | 0.102 | 0.0857 | 3900 | 0.613 | 1.39 | |||
Cable Parameter
HEAVY DUTY
| Sectional Area of Conductor | Nom. Conductor Diameter | Nom. Insulation Thickness | Nom. Diamete Over insulation | Screen Area on Each core | No. and Diamter of Screened Wires | Nom. Diamete Over Screened Wires | Nom. Overall Diameter | Approx. mass |
| mm2 | mm | mm | mm | mm2 | no x mm | mm | mm | kg/100m |
| 35 | 6.9 | 2.5 | 13 | 7.9 | 14 x 0.85 | 16.3 | 40.5 | 140 |
| 50 | 8.1 | 2.5 | 14.2 | 10.8 | 19 x 0.85 | 17.5 | 43.1 | 170 |
| 70 | 9.6 | 2.5 | 15.8 | 15.3 | 27 x 0.85 | 19.1 | 46.8 | 210 |
| 95 | 11.4 | 2.5 | 17.5 | 20.4 | 36 x 0.85 | 20.8 | 50.8 | 270 |
| 120 | 12.8 | 2.5 | 18.9 | 22.7 | 40 x 0.85 | 22.2 | 54.1 | 305 |
| 150 | 14.2 | 2.5 | 20.3 | 22.7 | 40 x 0.85 | 23.6 | 57.3 | 340 |
| 185 | 15.7 | 2.5 | 21.8 | 22.7 | 40 x 0.85 | 25.1 | 60.8 | 385 |
| 240 | 18 | 2.6 | 24.3 | 22.7 | 40 x 0.85 | 27.6 | 66.6 | 465 |
| 300 | 20.1 | 2.8 | 27 | 22.7 | 40 x 0.85 | 30.3 | 72.8 | 550 |
| 400 | 23 | 3 | 30.3 | 22.7 | 40 x 0.85 | 33.6 | 80.3 | 660 |
