- Conductor: Stranded Compacted Circular aluminum conductor as per AS/NZS 1125
- Conductor Screen: Extruded Semi-conductive compound
- Insulation: XLPE
- Insulation Screen: Extruded Semi-conductive compound
- Longitudinal Water blocking: Water blocking tape above and below the copper screen (Optional)
- Metallic Insulation Screen: Copper Wire Screen + helically applied copper tape
- Binder tape/sheath over assembled cores
- Metallic Sheath: Lead Alloy (optional)
- Outer Sheath: Extruded Polyvinyl Chloride, Colour: Black
- Insect attack Protection: Polyamide Nylon (optional)
(Alternative Sheath: PVC + HDPE Outer Sheath or LSZH Outer sheath and parameters will change accordingly)
Application
19/33kV aluminum medium voltage three core cable is commonly used in regional distribution networks, renewable energy integration, and large industrial parks. Compared to copper conductors, aluminum conductors are lighter and offer lower total project costs. These cables are particularly suitable for overhead to underground transition points, feeder lines connecting wind or solar farms to substations, and long-distance underground distribution lines.
The three core construction provides reliable balancing and simplified installation for long-distance medium voltage circuits requiring high safety and stability. In practical applications, it is commonly used to transmit power from 33kV substations to residential areas, agricultural irrigation systems, and light industrial areas.
Feature
19/33Kv aluminum medium voltage three core cable has good adaptability and can be used in a variety of installation environments. Whether underground, on the ground, or in harsh conditions such as humidity, high temperature, acid and alkali, the cable can work stably to ensure the reliability of the power supply system.
Certification
19/33kV aluminum medium voltage three-core cable is SAA certified and complies with the electrical safety and quality standards of Australia and New Zealand. SAA certification numbers are SAA242046 and SAA250307 (can be verified on the official SAA certification website). Designed for medium-voltage power transmission systems, this cable offers excellent conductivity and durability. Its lightweight aluminum conductor and high mechanical strength make it suitable for complex installation environments. The three-core design provides increased load capacity, making it suitable for applications with frequent power load fluctuations.
Package
Factory
Greater Wire Manufacturer's state-of-the-art cable factory features an intelligent and digital manufacturing environment. The shift to digital manufacturing not only improves efficiency but also strives to provide customers with the highest reliability products. The smart factory framework ensures a streamlined and error-free production process, minimizes the possibility of human variance, and increases precision that was previously unattainable. The factory strictly adheres to quality control through precise and automated inspection mechanisms. From the beginning to the final stage of the manufacturing process, products are thoroughly inspected. The commitment to quality extends to our inspection accuracy, with automated production equipment achieving an accuracy of 0.002 mm.
Case
Partner
FAQ
Q: When can I get the price?
Q: How long is your delivery time?
Q: How can I get a sample? Is it free?
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|
No. of
Cores
|
Core Cross
sectional
Area
|
Nominal Diameter
|
||
|
Under
metallic
screen
|
Under
metallic
screen
|
Overall
|
||
|
No.
|
mm2
|
mm
|
mm
|
mm
|
| 3 | 50 | 27.2 | 28.7 | 68.0 |
| 3 | 70 | 28.8 | 30.3 | 72.0 |
| 3 | 95 | 30.4 | 31.9 | 75.0 |
| 3 | 120 | 32 | 33.5 | 79.0 |
| 3 | 150 | 33.3 | 34.8 | 82.0 |
| 3 | 185 | 35 | 36.5 | 86.0 |
| 3 | 240 | 37.3 | 38.8 | 91.0 |
| 3 | 300 | 39.5 | 41.0 | 96.0 |
| 3 | 400 | 42.2 | 43.7 | 102.0 |
| 3 | 500 | 45.6 | 47.1 | 110.0 |
|
No.of Cores
|
Core Cross sectional Area
|
Max. DC Resistance at 20˚C
|
Max. AC Resistance at 90˚C
|
Approx. Capacitance
|
Approx. Inductance
|
Approx.
Reactance |
Continuous Current Rating
|
||
| Buried direet in ground |
In a buried duct
|
In Air
|
|||||||
|
No.
|
mm2
|
Ω/km
|
Ω/km
|
µF/km
|
mH/km
|
Ω/km
|
Amps
|
||
| 3 | 50 | 0.641 | 0.822 | 0.14 | 0.642 | 0.202 | 140 | 122 | 158 |
| 3 | 70 | 0.443 | 0.568 | 0.15 | 0.607 | 0.191 | 171 | 150 | 196 |
| 3 | 95 | 0.32 | 0.411 | 0.17 | 0.585 | 0.184 | 203 | 179 | 236 |
| 3 | 120 | 0.253 | 0.325 | 0.18 | 0.565 | 0.178 | 232 | 205 | 273 |
| 3 | 150 | 0.206 | 0.265 | 0.19 | 0.553 | 0.174 | 260 | 231 | 309 |
| 3 | 185 | 0.164 | 0.211 | 0.21 | 0.539 | 0.169 | 294 | 262 | 355 |
| 3 | 240 | 0.125 | 0.161 | 0.23 | 0.524 | 0.165 | 340 | 305 | 415 |
| 3 | 300 | 0.1 | 0.129 | 0.25 | 0.510 | 0.160 | 384 | 346 | 475 |
| 3 | 400 | 0.778 | 0.101 | 0.27 | 0.497 | 0.156 | 438 | 398 | 552 |
| 3 | 500 | 0.0605 | 0.079 | 0.3 | 0.484 | 0.152 | 505 | 460 | 646 |
| 20 | 25 | 35 | 40 | 45 | 50 | 55 | 60 |
| 1.08 | 1.04 | 0.96 | 0.91 | 0.87 | 0.82 | 0.76 | 0.71 |
| 10 | 15 | 25 | 30 | 35 | 40 | 45 | 50 |
| 1.07 | 1.04 | 0.96 | 0.93 | 0.89 | 0.85 | 0.80 | 0.76 |
|
No.of Cores
|
Core Cross sectional Area
|
Max. pulling tension on conductor
|
Charging Current per phase
|
Zero sequence impedance
|
Electric Stress at Conductor Screen
|
Short circuit rating of Phase conductor
|
| No. | mm² | kN | Amps/Km | Ohms/Km | kV/mm | kA, I sec |
| 3 | 50 | 2.5 | 0.84 | 1.98 | 4.1 | 4.5 |
| 3 | 70 | 3.5 | 0.9 | 1.73 | 3.9 | 6.2 |
| 3 | 95 | 4.75 | 1.01 | 1.57 | 3.7 | 8.5 |
| 3 | 120 | 6 | 1.07 | 1.49 | 3.6 | 10.7 |
| 3 | 150 | 7.5 | 1.13 | 1.43 | 3.5 | 13.4 |
| 3 | 185 | 9.25 |
1.25 |
1.37 | 3.4 | 16.5 |
| 3 | 240 | 12 | 1.37 | 1.32 | 3.3 | 21.4 |
| 3 | 300 | 15 | 1.49 | 1.29 | 3.2 | 26.8 |
| 3 | 400 | 20 | 1.61 | 1.26 | 3.1 | 35.5 |
| 3 | 500 | 25 | 1.79 | 1.24 | 3.0 | 44.7 |
