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China AAAC SPLN 41-8 Bare Conductor - Top Suppliers & Factory for Aluminum Alloy Conductors
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High Conductivity
Optimized aluminum alloy provides superior electrical transmission efficiency.
Corrosion Resistance
Excellent protection against environmental exposure and coastal conditions.
High Tensile Strength
Engineered for longer spans and reduced mechanical sag under heavy loads.
AAAC Technical Specifications
| 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 | N | kg/km | Ω/km | |
| 16 | 16.8 | 1.75 | 7 | 5.25 | 4704 | 46.1 | 1.955 |
| 25 | 27.8 | 2.25 | 7 | 6.75 | 7742 | 76.2 | 1.183 |
| 35 | 34.4 | 2.5 | 7 | 7.5 | 9604 | 94.1 | 0.958 |
| 50 | 49.5 | 3.00 | 7 | 9 | 13818 | 135.5 | 0.665 |
| 45.7 | 1.75 | 19 | 8.75 | 12740 | 125.8 | 0.724 | |
| 55 | 58.1 | 3.25 | 7 | 9.75 | 16219 | 159.0 | 0.567 |
| 70 | 75.5 | 2.25 | 19 | 11.25 | 21070 | 207.9 | 0.438 |
| 95 | 93.3 | 2.50 | 19 | 12.5 | 26068 | 256.6 | 0.355 |
| 100 | 99.3 | 4.25 | 7 | 12.75 | 27734 | 271.9 | 0.332 |
| 120 | 112.9 | 2.75 | 19 | 13.75 | 31556 | 310.5 | 0.293 |
| 150 | 157.6 | 3.25 | 19 | 16.25 | 44002 | 433.7 | 0.210 |
| 147.1 | 2.25 | 37 | 15.75 | 41062 | 405.8 | 0.225 | |
| 185 | 181.6 | 2.5 | 37 | 17.5 | 50715 | 500.9 | 0.183 |
| 240 | 238.8 | 4 | 19 | 20 | 66689 | 657.0 | 0.137 |
| 242.5 | 2.25 | 61 | 20.25 | 67718 | 670.3 | 0.139 | |
| 300 | 299.4 | 2.5 | 61 | 22.5 | 83594 | 827.5 | 0.1110 |
| 400 | 431.2 | 3.00 | 61 | 27 | 120442 | 1191.6 | 0.077 |
| 500 | 506.0 | 3.25 | 61 | 29.25 | 141316 | 1398.5 | 0.066 |
| 630 | 643.2 | 3 | 91 | 33 | 179634 | 1784.9 | 0.052 |
| 800 | 754.9 | 3.25 | 91 | 35.75 | 210847 | 2094.8 | 0.044 |
| 1000 | 1005.1 | 3.75 | 91 | 41.25 | 280672 | 2789.0 | 0.033 |
| Note: The outermost layer is twisted to the right (Z). | |||||||
Frequently Asked Questions (FAQ)
Q: What is AAAC (Aluminum Alloy Conductor)?
AAAC is a concentric-lay-stranded conductor made of high-strength Aluminum-Magnesium-Silicon alloy wires. It is primarily used for overhead electrical distribution and transmission lines.
Q: What are the main advantages of AAAC over ACSR?
AAAC offers a higher strength-to-weight ratio, better corrosion resistance, lower power losses, and a longer service life than ACSR (Aluminum Conductor Steel Reinforced) in coastal or industrial environments.
Q: What does "outermost layer twisted to the right (Z)" mean?
It indicates the direction of the outer stranding lay. Z-lay (right-hand lay) is the standard configuration for AAAC, ensuring compatibility with standard tension clamps and installation hardware.
Q: How does temperature affect the maximum resistance of AAAC?
The electrical resistance values provided in the technical table are standard measurements at 20℃. Operating at higher temperatures will increase the electrical resistance, which must be factored into transmission line designs.
Q: How do I select the right AAAC code size?
Size selection is determined by current carrying capacity (ampacity) requirements, voltage drops, span length, and local environmental factors like wind and ice loads. Refer to the sectional area and breaking load values in the specification table for layout design.