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Medium voltage Aerial bundled cables are mainly used for secondary overhead lines on poles or as feeders to residential premises.
Basic design to IEC 60502 / AS/NZS 3599-1 standards
Phase Conductor : Circular compacted stranded H68 aluminium to BS2627.
Conductor Screen : Extruded semi-conductive layer.
Insulation : XLPE.
Insulation Screen : Extruded semi-conductive layer.
Metallic Screen(optional) : Copper wire screen or copper tape screen.
Separator : Semi-conductive swellable tape.
Outer Sheath : HDPE.
Support Conductor : Galvanized steel wires.
Assembly : Three XLPE insulated screened cores are bundled around the galvanized steel wires in a right hand lay.
| Number of Cores x Nominal Cross Section | Phase Conductor | Messenger Suspension Unit | Continuous current rating at 300C ambient temp | ||||
|---|---|---|---|---|---|---|---|
| Stranding | Nominal Sectional Area | Maximum Conductor Resistance | Stranding | Nominal Sectional Area | Breaking Load | ||
| No.×mm² | No.×mm | mm² | Ω/Km | No.×mm | mm² | KN | A |
| 3X50 + 1X25 | 19/1.78 | 50 | 0.641 | 7/2.14 | 25 | 60 | 116 |
| 3X70 + 1X50 | 19/2.14 | 70 | 0.443 | 7/3.15 | 50 | 62 | 210 |
| 3X95+ 1X50 | 19/2.52 | 95 | 0.32 | 7/3.0 | 50 | 60 | 173 |
| 3X185+1X120 | 37/2.52 | 185 | 0.164 | 7/4.67 | 120 | 150 | 259 |
| 3X150 +1X50 | 37/2.25 | 150 | 0.206 | 7/3.15 | 50 | 62 | 365 |
| 3X240 +1X50 | 61/2.25 | 240 | 0.125 | 7/3.15 | 50 | 62 | 500 |
Other cross-sections can be offered upon request.
| Number of Cores x Nominal Cross Section | Phase Conductor | Messenger Suspension Unit | Continuous current rating at 300C ambient temp | ||||
|---|---|---|---|---|---|---|---|
| Stranding | Nominal Sectional Area | Maximum Conductor Resistance | Stranding | Nominal Sectional Area | Breaking Load | ||
| No.×mm² | No.×mm | mm² | Ω/Km | No.×mm | mm² | KN | A |
| 3X50 + 1X25 | 19/1.78 | 50 | 0.641 | 7/2.14 | 25 | 60 | 165 |
| 3X150+ 1X50 | 37/2.25 | 150 | 0.206 | 7/3.0 | 50 | 60 | 315 |
| 3X185+1X70 | 37/2.52 | 185 | 0.164 | 7/3.57 | 70 | 91 | 355 |
| 3X70 +1X50 | 19/2.14 | 70 | 0.443 | 7/3.15 | 50 | 62 | 250 |
| 3X150 +1X50 | 37/2.25 | 150 | 0.206 | 7/3.15 | 50 | 62 | 370 |
Other cross-sections can be offered upon request.
| Number of Cores x Nominal Cross Section | Phase Conductor | Messenger Suspension Unit | Nominal Sectional Area | Breaking Load | |||
|---|---|---|---|---|---|---|---|
| Diameter of Conductor | Thickness of Insulation | Thickness of Insulation Screen | Thickness of Sheath | Stranding | |||
| No.×mm² | mm | mm | mm | mm | No.×mm | mm² | KN |
| 3X35 | 6.9 | 3.4 | 0.8 | 1.2 | 7/4.75 | 52.4 | 1370 |
| 3X50 | 8.1 | 3.4 | 0.8 | 1.2 | 7/4.75 | 54.6 | 1530 |
| 3X70 | 9.7 | 3.4 | 0.8 | 1.2 | 7/4.75 | 57.8 | 1790 |
| 3X95 | 11.4 | 3.4 | 0.8 | 1.2 | 7/4.75 | 61.3 | 2100 |
| 3X120 | 12.8 | 3.4 | 0.8 | 1.2 | 19/3.50 | 67.3 | 2540 |
| 3X150 | 14.2 | 3.4 | 0.8 | 1.2 | 19/3.50 | 70.1 | 2840 |
| 3X185 | 15.7 | 3.4 | 0.8 | 1.2 | 19/3.50 | 73.1 | 3190 |
Other cross-sections can be offered upon request.
| Number of Cores x Nominal Cross Section | Diameter of Conductor | Thickness of Insulation | Thickness of Insulation Screen | Copper Wire Screen Stranding | Thickness of Sheath | Galvanized Steel Wire Stranding | Nominal Sectional Area | Breaking Load |
|---|---|---|---|---|---|---|---|---|
| No.×mm² | mm | mm | mm | No.×mm | mm | No.×mm | mm² | KN |
| Light Duty Screen | ||||||||
| 3X35 | 6.9 | 3.4 | 0.8 | 25/0.85 | 1.8 | 7/2.00 | 54.1 | 1820 |
| 3X35 | 6.9 | 3.4 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 58.1 | 2130 |
| 3X50 | 8.1 | 3.4 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 60.4 | 2300 |
| 3X70 | 9.7 | 3.4 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 63.6 | 2570 |
| 3X95 | 11.4 | 3.4 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 67.0 | 2900 |
| 3X120 | 12.8 | 3.4 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 69.8 | 3190 |
| 3X150 | 14.2 | 3.4 | 0.8 | 25/0.85 | 1.9 | 19/2.00 | 73.0 | 3530 |
| 3X185 | 15.7 | 3.4 | 0.8 | 25/0.85 | 1.9 | 19/2.00 | 76.0 | 3890 |
| Heavy Duty Screen | ||||||||
| 3X35 | 6.9 | 3.4 | 0.8 | 40/0.85 | 1.8 | 7/2.00 | 54.1 | 2050 |
| 3X35 | 6.9 | 3.4 | 0.8 | 40/0.85 | 1.8 | 19/2.00 | 58.1 | 2360 |
| 3X50 | 8.1 | 3.4 | 0.8 | 23/1.35 | 1.8 | 19/2.00 | 62.4 | 2820 |
| 3X70 | 9.7 | 3.4 | 0.8 | 32/1.35 | 1.8 | 19/2.00 | 65.6 | 3440 |
| 3X95 | 11.4 | 3.4 | 0.8 | 39/1.35 | 1.8 | 19/2.00 | 69.0 | 4030 |
| 3X120 | 12.8 | 3.4 | 0.8 | 39/1.35 | 1.8 | 19/2.00 | 71.8 | 4320 |
| 3X150 | 14.2 | 3.4 | 0.8 | 39/1.35 | 1.9 | 19/2.00 | 75.0 | 4670 |
| 3X185 | 15.7 | 3.4 | 0.8 | 39/1.35 | 1.9 | 19/2.00 | 78.0 | 5020 |
Other cross-sections can be offered upon request.
| Number of Cores x Nominal Cross Section | Phase Conductor | Messenger Suspension Unit | Nominal Sectional Area | Breaking Load | |||
|---|---|---|---|---|---|---|---|
| Diameter of Conductor | Thickness of Insulation | Thickness of Insulation Screen | Thickness of Sheath | Stranding | |||
| No.×mm² | mm | mm | mm | mm | No.×mm | mm² | KN |
| 3X35 | 6.9 | 5.5 | 0.8 | 1.2 | 7/4.75 | 61.0 | 1780 |
| 3X50 | 8.1 | 5.5 | 0.8 | 1.2 | 7/4.75 | 63.3 | 1970 |
| 3X70 | 9.7 | 5.5 | 0.8 | 1.2 | 7/4.75 | 66.5 | 2260 |
| 3X95 | 11.4 | 5.5 | 0.8 | 1.2 | 7/4.75 | 69.9 | 2600 |
| 3X120 | 12.8 | 5.5 | 0.8 | 1.2 | 19/3.50 | 75.9 | 3070 |
| 3X150 | 14.2 | 5.5 | 0.8 | 1.2 | 19/3.50 | 78.7 | 3390 |
| 3X185 | 15.7 | 5.5 | 0.8 | 1.2 | 19/3.50 | 81.7 | 3760 |
Other cross-sections can be offered upon request.
| Number of Cores x Nominal Cross Section | Diameter of Conductor | Thickness of Insulation | Thickness of Insulation Screen | Copper Wire Screen Stranding | Thickness of Sheath | Galvanized Steel Wire Stranding | Nominal Sectional Area | Breaking Load |
|---|---|---|---|---|---|---|---|---|
| No.×mm² | mm | mm | mm | No.×mm | mm | No.×mm | mm² | KN |
| Light Duty Screen | ||||||||
| 3X35 | 6.9 | 5.5 | 0.8 | 25/0.85 | 1.8 | 7/2.00 | 62.7 | 2280 |
| 3X35 | 6.9 | 5.5 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 66.7 | 2580 |
| 3X50 | 8.1 | 5.5 | 0.8 | 25/0.85 | 1.8 | 19/2.00 | 69.0 | 2780 |
| 3X70 | 9.7 | 5.5 | 0.8 | 25/0.85 | 1.9 | 19/2.00 | 72.6 | 3110 |
| 3X95 | 11.4 | 5.5 | 0.8 | 25/0.85 | 1.9 | 19/2.00 | 76.0 | 3460 |
| 3X120 | 12.8 | 5.5 | 0.8 | 25/0.85 | 2.0 | 19/2.00 | 79.2 | 3810 |
| 3X150 | 14.2 | 5.5 | 1.0 | 25/0.85 | 2.0 | 19/2.00 | 82.8 | 4230 |
| 3X185 | 15.7 | 5.5 | 1.0 | 25/0.85 | 2.1 | 19/2.00 | 86.2 | 4650 |
| Heavy Duty Screen | ||||||||
| 3X35 | 6.9 | 5.5 | 0.8 | 40/0.85 | 1.8 | 7/2.00 | 62.7 | 2510 |
| 3X35 | 6.9 | 5.5 | 0.8 | 40/0.85 | 1.8 | 19/2.00 | 66.7 | 2810 |
| 3X50 | 8.1 | 5.5 | 0.8 | 23/1.35 | 1.8 | 19/2.00 | 71.0 | 3300 |
| 3X70 | 9.7 | 5.5 | 0.8 | 32/1.35 | 1.9 | 19/2.00 | 74.6 | 3970 |
| 3X95 | 11.4 | 5.5 | 0.8 | 39/1.35 | 1.9 | 19/2.00 | 78.0 | 4600 |
| 3X120 | 12.8 | 5.5 | 0.8 | 39/1.35 | 2.0 | 19/2.00 | 81.2 | 4950 |
| 3X150 | 14.2 | 5.5 | 1.0 | 39/1.35 | 2.0 | 19/2.00 | 84.8 | 5360 |
| 3X185 | 15.7 | 5.5 | 1.0 | 39/1.35 | 2.1 | 19/2.00 | 88.2 | 5790 |
Other cross-sections can be offered upon request.
| Nominal Cross Section | Continuous Current Rating | ||
|---|---|---|---|
| Still air | 1m/s wind | 2m/s wind | |
| mm² | A | A | A |
| 35 | 105 | 145 | 165 |
| 50 | 125 | 170 | 200 |
| 70 | 150 | 215 | 250 |
| 95 | 180 | 260 | 300 |
| 120 | 205 | 300 | 350 |
| 150 | 230 | 340 | 395 |
| 185 | 265 | 390 | 450 |
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Caledonian Cables
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