- Conductor: Stranded Compacted Circular Copper 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 below the copper screen (Optional)
- Metallic Insulation Screen: Copper Wire Screen + helically applied copper tape
(E/F current capacity – Based on requirement)
- 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 Composite Sheath or PVC + Nylon + HDPE (composite sheath with anti-termite properties) or LSZH Outer sheath, and parameters will change accordingly)
Application
Three core 19/33kV copper medium voltage power cable is widely used in heavy infrastructure projects such as subway systems, railway power supply systems, and large industrial parks, which require stable and high-capacity power distribution. The cable utilizes copper conductors with excellent conductivity and mechanical strength, ensuring safe, continuous, and reliable performance under continuous load demands and high-fault tolerance. Typical applications include powering railway electrification traction substations, underground tunnel ventilation systems, and high-rise commercial complexes equipped with centralized energy networks.
Feature
19/33Kv medium voltage power cable uses high-quality copper conductors with excellent conductivity and low resistance, which can effectively reduce power loss and ensure the efficient operation of the power system. The insulation layer of the cable is made of high-quality materials with good heat resistance, voltage breakdown resistance and chemical corrosion resistance, ensuring long-term stable use under various environmental conditions.
Certification
19/33kV copper medium voltage power cable has passed SAA certification, SAA certification numbers SAA242046 and SAA250307(You can check it on the SAA official website). And complies with the electrical safety standards of Australia and New Zealand. It uses high-quality copper conductors with higher conductivity and lower power loss, and is suitable for medium voltage power transmission systems. The insulation layer of the cable uses advanced materials to ensure that it can maintain good stability under high temperatures and harsh environments. Passing the SAA certification proves that the cable has met strict standards in electrical safety, heat resistance, mechanical strength, etc., and can operate safely and efficiently in various industrial and civil places.
Package
Factory
Dongguan Greater Wire & Cable Co., Ltd., is located in Dongguan City, Guangdong province. It integrates R&D, production, sales and maintenance, focusing on various wires and cables, and providing customized solutions for large-scale infrastructure such as airports, hospitals, factories, and schools in many regions around the world. With advanced production equipment and processes, complete testing equipment, and strong technical strength, the company has developed rapidly after years of hard work and the support of global customers, and has won a high reputation and market share in overseas markets.
Our cables and wires have passed SAA, UL, TUV, CE, and other standard certifications.Our products have gained tremendous traction in the international market and are frequently exported to regions such as Southeast Asia, Australia, the Middle East, Africa, America, and Europe, Sales cover more than 400 cities at home and abroad.
Case
Partner
FAQ
Q: What is your payment term?
Q: When can I get the quotation?
If you are very urgent to get the price, please tell us so that we will regard your inquiry priority.
Q: Can you do the design for us?
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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 | 28.9 | 30.4 | 72.0 |
| 3 | 95 | 30.4 | 31.9 | 75.0 |
| 3 | 120 | 32 | 33.5 | 79.0 |
| 3 | 150 | 33.4 | 34.9 | 82.0 |
| 3 | 185 | 35.1 | 36.6 | 86.0 |
| 3 | 240 | 37.4 | 38.9 | 91.0 |
| 3 | 300 | 39.4 | 40.9 | 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 | 0.387 | 0.494 | 0.14 | 0.642 | 0.202 | 181 | 158 | 204 |
| 3 | 70 | 0.268 | 0.342 | 0.15 | 0.605 | 0.190 | 221 | 193 | 253 |
| 3 | 95 | 0.193 | 0.246 | 0.17 | 0.585 | 0.184 | 262 | 231 | 304 |
| 3 | 120 | 0.153 | 0.196 | 0.18 | 0.565 | 0.178 | 298 | 264 | 351 |
| 3 | 150 | 0.124 | 0.159 | 0.19 | 0.552 | 0.173 | 334 | 297 | 398 |
| 3 | 185 | 0.0991 | 0.127 | 0.21 | 0.539 | 0.169 | 377 | 336 | 455 |
| 3 | 240 | 0.0754 | 0.097 | 0.23 | 0.523 | 0.164 | 434 | 390 | 531 |
| 3 | 300 | 0.0601 | 0.078 | 0.25 | 0.510 | 0.160 | 489 | 441 | 606 |
| 3 | 400 | 0.047 | 0.062 | 0.27 | 0.497 | 0.156 | 553 | 501 | 696 |
| 3 | 500 | 0.0366 | 0.049 | 0.3 | 0.484 | 0.152 | 632 | 574 | 800 |
| 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 | 3.5 | 0.84 | 1.66 | 4.1 | 7.2 |
| 3 | 70 | 4.9 | 0.9 | 1.50 | 3.9 | 10.0 |
| 3 | 95 | 6.65 | 1.01 | 1.41 | 3.7 | 13.6 |
| 3 | 120 | 8.4 | 1.07 | 1.36 | 3.6 | 17.1 |
| 3 | 150 | 10.5 | 1.13 | 1.32 | 3.5 | 21.4 |
| 3 | 185 | 12.95 | 1.25 | 1.29 | 3.4 | 26.4 |
| 3 | 240 | 16.8 | 1.37 | 1.26 | 3.3 | 34.3 |
| 3 | 300 | 21 | 1.49 | 1.24 | 3.2 | 42.8 |
| 3 | 400 | 28 | 1.61 | 1.22 | 3.1 | 56.9 |
| 3 | 500 | 35 | 1.79 | 1.21 | 3.0 | 71.5 |
