AAC Bare Aluminium Conductor 630mm2 for Overhead Lines 12kV, ASTM & IEC Standard
AAC Bare Aluminium Conductor 630mm2 for Overhead Lines 12kV, ASTM & IEC Standard
Product Description
The 12kV AAC (All Aluminium Conductor) 630mm² is a high-capacity bare overhead conductor designed for medium voltage power distribution networks. It is widely used in 11kV–12kV systems where high current carrying capacity, low power loss, and reliable long-distance transmission are required.
Made from high-purity aluminium strands, this conductor provides excellent electrical conductivity, lightweight structure, and cost-effective performance compared to copper alternatives.
Key Features
- High conductivity aluminium conductor for efficient power transmission
- Large cross-section (630mm²) for high current carrying capacity
- Low electrical resistance reduces power loss over long distances
- Lightweight design reduces tower and installation cost
- Suitable for overhead line installation in medium voltage networks
- Corrosion-resistant aluminium strands for long service life
Applications
The 12kV AAC 630mm² conductor is commonly used in:
- Medium voltage overhead distribution lines (11kV / 12kV systems)
- Industrial power supply networks (steel plants, cement plants, petrochemical plants)
- Substation interconnection lines
- Urban and rural grid expansion projects
- Long-distance overhead transmission lines
- Port and mining power distribution systems
Technical Advantages
With its large cross-sectional area, the AAC 630mm² conductor significantly reduces line losses and improves system efficiency. It is particularly suitable for heavy-load industrial applications and long-distance transmission where voltage stability and energy efficiency are critical.
Why Choose Our AAC Conductor
We manufacture AAC conductors in compliance with international standards, ensuring consistent quality, high conductivity, and excellent mechanical performance. Our products are widely exported and trusted in power infrastructure projects worldwide.
Comparison: 300mm² vs 400mm² vs 630mm² AAC Conductor
| Item | 300mm² AAC | 400mm² AAC | 630mm² AAC |
|---|---|---|---|
| Current Capacity | Medium | High | Very High |
| Line Loss | Higher | Medium | Lowest |
| Application Range | Local distribution | Urban + industrial | Heavy industrial + long distance |
| Cost | Low | Medium | Higher (but more efficient) |
| Mechanical Load | Lower | Medium | High strength requirement |
| Typical Use | Small towns, light industry | Urban grids, factories | Steel plants, ports, substations |
| Transmission Distance | Short | Medium | Long distance |
Selection Guide
- Choose 300mm² → light load, short distance, rural distribution
- Choose 400mm² → general urban + industrial network
- Choose 630mm² → heavy load, long distance, minimum line loss requirement
630mm² is the preferred solution for high-demand industrial and grid backbone projects
Specifications
|
Nominal cross-sectional area mm2 |
Actual cross-sectional area mm2 |
Number of strands |
Diameter |
Approximate weight of cable |
Nominal Breaking Load |
Maximum DC Resistance at 20℃ |
|
|
Single wire |
Conductor |
||||||
|
mm |
mm |
kg/km |
kN |
Ω/km |
|||
|
10 |
10 |
7 |
1.35 |
4.05 |
27.4 |
1.95 |
2.8633 |
|
16 |
16 |
7 |
1.71 |
5.12 |
43.8 |
3.04 |
1.7896 |
|
25 |
25 |
7 |
2.13 |
6.4 |
68.4 |
4.5 |
1.1453 |
|
40 |
40 |
7 |
2.7 |
8.09 |
109.4 |
6.8 |
0.7158 |
|
63 |
63 |
7 |
3.39 |
10.2 |
172.3 |
10.39 |
0.4545 |
|
100 |
100 |
19 |
2.59 |
12.9 |
274.8 |
17 |
0.2877 |
|
125 |
125 |
19 |
2.89 |
14.5 |
343.6 |
21.25 |
0.2302 |
|
160 |
160 |
19 |
3.27 |
16.4 |
439.8 |
26.4 |
0.1798 |
|
200 |
200 |
19 |
3.66 |
18.3 |
549.7 |
32 |
0.1439 |
|
250 |
250 |
19 |
4.09 |
20.5 |
687.1 |
40 |
0.1151 |
|
315 |
315 |
37 |
3.29 |
23 |
867.9 |
51.97 |
0.0916 |
|
400 |
400 |
37 |
3.71 |
26 |
1102 |
64 |
0.0721 |
|
450 |
450 |
37 |
3.94 |
27.5 |
1239.8 |
72 |
0.0641 |
|
600 |
600 |
37 |
4.15 |
29 |
1377.6 |
80 |
0.0577 |
|
560 |
560 |
37 |
4.39 |
30.7 |
1542.9 |
89.6 |
0.0515 |
|
630 |
630 |
61 |
3.63 |
32.6 |
1738.3 |
100.8 |
0.0458 |
|
710 |
710 |
61 |
3.85 |
34.6 |
1959.1 |
113.6 |
0.0407 |
|
800 |
800 |
61 |
4.09 |
36.8 |
2207.4 |
128 |
0.0361 |
|
900 |
900 |
61 |
4.33 |
39 |
2483.3 |
144 |
0.0321 |
|
1000 |
1000 |
61 |
4.57 |
41.1 |
2759.2 |
160 |
0.0289 |
|
1120 |
1120 |
91 |
3.96 |
43.5 |
3093.5 |
179.2 |
0.0258 |
|
1250 |
1250 |
91 |
4.18 |
46 |
3452.6 |
200 |
0.0231 |
|
1400 |
1400 |
91 |
4.43 |
48.7 |
3866.9 |
224 |
0.0207 |
|
1500 |
1500 |
91 |
4.58 |
50.4 |
4143.1 |
240 |
0.0193 |
Factory
Projects
Delivery and Pacakge
FAQ
Q1: What is AAC bare aluminium conductor used for?
AAC bare aluminium conductor is mainly used in overhead power transmission and medium voltage distribution networks, such as 11kV–12kV systems. It is widely applied in utilities, industrial plants, and grid infrastructure projects.
Q2: Why choose 630mm² AAC conductor instead of smaller sizes?
The 630mm² AAC conductor provides higher current carrying capacity and lower electrical resistance compared to smaller sizes like 300mm² or 400mm². It is ideal for heavy-load and long-distance transmission where reduced power loss is required.
Q3: Can AAC conductors be used in coastal or corrosive environments?
Yes, aluminium conductors have good natural corrosion resistance. However, in highly corrosive environments such as coastal or industrial chemical areas, additional protection or proper maintenance may be recommended for longer service life.
Q4: What is the difference between AAC, AAAC, and ACSR conductors?
AAC is made of pure aluminium strands and offers excellent conductivity. AAAC uses aluminium alloy for higher mechanical strength, while ACSR combines aluminium with a steel core for extra tensile strength in long-span overhead lines.
Q5: What standards are applicable to AAC bare aluminium conductors?
AAC conductors are typically manufactured in accordance with IEC 61089, ASTM B231, or BS standards depending on project requirements. These standards define electrical, mechanical, and dimensional properties of the conductor.
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