Overhead insulated cables are composed of copper or aluminum conductors, inner shielding layer, weather-resistant insulating material and outer shielding layer. Aerial insulated cable have not only the power transmission characteristics of power cables, but also the strong mechanical characteristics of overhead cables. Compared with bare wires, overhead insulated cables have many advantages such as small laying span, high reliability, and good anti-aging performance. They are the types of cables that are actively selected for urban power project.
IEC60502-2 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV)
ABC Technical Characters Based on Standard NFC 33-209.
The product is a new type of aerial cable for power transmission. It is extensively used in overhead power transmission line. It improves the safety and reliance of electrified wire netting.
Conductors are concentrically stranded, compressed 1350-H19 aluminum. Insulated with either polyethylene or cross-linked polyethylene (XLPE). Neutral messengers are concentrically stranded 6201, AAC or ACSR.
ABC Technical Character Based on Standard NFC 33-209
DESCRIPTION | INSULATED PHASE CONDUCTORS | Average Insulation thickness | |||||
Type | Nominal cross-section area | Wire Number in the conductor | Max. Resistance at 20℃ | Average diameter of conductor | Rated Strength | ||
mm2 | Number | Ohm/km | Min mm | Max. mm | Min KN | mm | |
PHASE, NEUTRAL, and PUBLIC LIGHTING | 16 | 7 | 1.910 | 4.6 | 5.1 | 1.9 | 1.2 |
25 | 7 | 1.200 | 5.8 | 6.3 | 3.0 | 1.4 | |
35 | 7 | 0.868 | 6.8 | 7.3 | - | 1.6 | |
50 | 7 | 0.641 | 7.9 | 8.4 | - | 1.6 | |
70 | 12 | 0.443 | 9.7 | 10.2 | - | 1.8 | |
95 | 19 | 0.320 | 11.0 | 12.0 | - | 1.8 | |
120 | 19 | 0.253 | 12.0 | 13.1 | - | 1.8 | |
150 | 19 | 0.203 | 13.9 | 15.0 | - | 1.7 | |
54.6 | 7 | 0.630 | 9.2 | 9.6 | 16.6 | 1.6 | |
PORTER | 70 | 7 | 0.500 | 10.0 | 10.0 | 20.5 | 1.5 |
95 | 19 | 0.343 | 12.2 | 12.2 | 27.5 | 1.6 |
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