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All Aluminum Alloy Conductor AAAC - High Strength, Low Resistance by China Suppliers & Factory
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| Aluminum Alloy Conductor (AAAC) | |||||||
| Code Name | Sectional Area | Wire Diameter & Stranding | Diameter of Conductor | Nominal Breaking Load | Linear Mass | Maximum Resistance at 20℃ | |
| mm² | mm | No. | mm | kN | kg/km | Ω/km | |
| 16 | 18.4 | 1.83 | 7 | 5.49 | 5.43 | 50.4 | 1.7896 |
| 25 | 28.8 | 2.29 | 7 | 6.87 | 8.49 | 79.0 | 1.1453 |
| 40 | 45.9 | 2.89 | 7 | 8.67 | 13.58 | 125.7 | 0.7158 |
| 63 | 72.4 | 3.63 | 7 | 10.89 | 21.39 | 198.4 | 0.4545 |
| 100 | 115.3 | 2.78 | 19 | 13.9 | 33.95 | 317.3 | 0.2877 |
| 125 | 143.4 | 3.10 | 19 | 15.5 | 42.44 | 394.6 | 0.2302 |
| 160 | 183.8 | 3.51 | 19 | 17.55 | 54.32 | 505.9 | 0.1798 |
| 200 | 230.5 | 3.93 | 19 | 19.65 | 67.91 | 634.2 | 0.1439 |
| 250 | 287.6 | 4.39 | 19 | 21.95 | 84.88 | 791.3 | 0.1151 |
| 315 | 362.1 | 3.53 | 37 | 24.71 | 106.95 | 998.8 | 0.0916 |
| 400 | 460.3 | 3.98 | 37 | 27.86 | 135.81 | 1269.6 | 0.0721 |
| 450 | 517.5 | 4.22 | 37 | 29.54 | 152.79 | 1427.4 | 0.0641 |
| 500 | 575.5 | 4.45 | 37 | 31.15 | 169.76 | 1587.2 | 0.0577 |
| 560 | 645.3 | 3.67 | 61 | 33.03 | 190.14 | 1782.2 | 0.0516 |
| 630 | 725.0 | 3.89 | 61 | 35.01 | 213.9 | 2002.3 | 0.0458 |
| 710 | 817.2 | 4.13 | 61 | 37.17 | 241.07 | 2257.0 | 0.0407 |
| 800 | 919.1 | 4.38 | 61 | 39.42 | 271.62 | 2538.5 | 0.0361 |
| 900 | 1037.5 | 3.81 | 91 | 41.91 | 305.58 | 2878.9 | 0.0321 |
| 1000 | 1149.3 | 4.01 | 91 | 44.11 | 339.53 | 3189.1 | 0.0289 |
| 1120 | 1291.0 | 4.25 | 91 | 46.75 | 380.27 | 3582.3 | 0.0258 |
| 1250 | 1440.9 | 4.49 | 91 | 49.39 | 424.41 | 3998.3 | 0.0231 |
| Note: The outermost layer is twisted to the right (Z). | |||||||
Technical Note: The outermost layer of the Aluminum Alloy Conductor (AAAC) is directionally twisted to the right (Z-lay stranding) to ensure structural integrity during installation.
Frequently Asked Questions (FAQ)
What is Aluminum Alloy Conductor (AAAC)?
AAAC (Aluminum Alloy Conductor) is a concentric-lay-stranded conductor made from high-strength Aluminum-Magnesium-Silicon (6201-T81) alloy wires. It is designed to achieve a better strength-to-weight ratio and offer improved electrical characteristics compared to traditional conductors.
What are the main advantages of AAAC over ACSR?
AAAC offers superior corrosion resistance (especially in coastal and industrial areas), lighter weight, equal or better current carrying capacity, lower power losses, and longer service life compared to ACSR (Aluminum Conductor Steel Reinforced), which is prone to galvanic corrosion.
What is the significance of the "Z" twist in AAAC?
The "Z" twist refers to the right-hand lay direction of the outermost layer of wires. This standard winding method prevents unwinding during installation and ensures compatibility with standard tension clamps and line accessories.
How does temperature affect the maximum resistance of AAAC?
The electrical resistance of AAAC is specified at a baseline of 20℃. As the operating temperature of the conductor rises due to environmental factors or high current loads, its electrical resistance increases, which can slightly affect transmission efficiency.
In which applications is AAAC most commonly used?
AAAC is widely used in overhead electrical distribution and transmission lines, particularly in environments requiring high mechanical strength and excellent corrosion resistance, such as coastal areas, river crossings, and heavy industrial zones.