25kV 3-Layer AAAC/ACSR/AAC Tree Wire - Triple Layer Covered MV Conductor
The 3-Layer 25kV AAAC/ACSR/AAC Tree Wire is a specialized covered medium-voltage overhead conductor developed for distribution lines in areas with dense vegetation. It uses concentrically stranded AAAC, ACSR, or AAC conductors protected by a triple-layer system of track-resistant HDPE or XLPE. The multi-layer covering delivers exceptional tracking resistance, abrasion protection, and weatherability while greatly reducing the risk of electrical faults from tree limb contact and helping minimize wildfire ignition potential. This advanced design allows closer spacing to vegetation and lowers vegetation management costs. Suitable for conventional overhead or spacer cable systems, the 3-Layer 25kV AAAC/ACSR/AAC Tree Wire offers a cost-effective solution for improving line reliability. It complies with ICEA and ASTM standards and undergoes extensive quality testing to ensure long-term performance and safety.
- Standards ICEA S-121-733, ASTM B230/B231/B232/B398/B399
- Voltage Rating 25 kV
- Conductor AAAC, ACSR, or AAC (concentrically stranded)
- Short-Circuit Tem 250°C
- Operating Temp 90°C continuous
- Emergency Temp 130°C
Construction
Technical Specifications
Quality Control
Application
Construction
25kV 3-Layer AAAC/ACSR/AAC Tree Wire Constrution
Key Product Features
Triple-layer covering system for maximum tracking resistance
AAAC, ACSR, or AAC conductor options for optimal strength
Significantly reduced fault risk from vegetation contact
Lower maintenance and wildfire mitigation benefits
Compatible with spacer cable configurations
AAAC, ACSR, or AAC conductor options for optimal strength
Significantly reduced fault risk from vegetation contact
Lower maintenance and wildfire mitigation benefits
Compatible with spacer cable configurations
Covering
3-Layer HDPE or XLPE
Insulation Level
100% or 133%
Covering Thickness
Triple layer (225 mils total typical)
Configuration
Single covered conductor
Technical Specifications
25kV 3-Layer AAAC/ACSR/AAC Tree Wire - Triple Layer Covered MV Conductor
25kV 3-Layer ACSR Tree Wire Data Sheet
25kV 3-Layer AAAC Tree Wire Data Sheet
25kV 3-Layer AAC Tree Wire Data Sheet
| Size (AWG or kcmil) | Stranding | Conductor Diameter (mils) | Covering Thickness (mils) | Cable O.D. (mils) | Rated Strength (lbs) | Weight per 1000 ft.(lbs) | ||
| Conductor Shield | Inner Layer | Outer Layer | ||||||
| 1/0 | 6/1 | 398 | 15 | 125 | 125 | 928 | 4161 | 385 |
| 2/0 | 6/1 | 447 | 15 | 125 | 125 | 977 | 5045 | 443 |
| 3/0 | 6/1 | 502 | 15 | 125 | 125 | 1032 | 6289 | 513 |
| 4/0 | 6/1 | 563 | 15 | 125 | 125 | 1093 | 7933 | 600 |
| 266.8 | 18/1 | 609 | 15 | 125 | 125 | 1139 | 6536 | 608 |
| 266.8 | 26/7 | 642 | 15 | 125 | 125 | 1172 | 10735 | 692 |
| 336.4 | 18/1 | 684 | 15 | 125 | 125 | 1214 | 8246 | 714 |
| 336.4 | 26/7 | 720 | 15 | 125 | 125 | 1250 | 13395 | 818 |
| 336.4 | 30/7 | 741 | 15 | 125 | 125 | 1271 | 16435 | 1086 |
| 397.5 | 18/1 | 743 | 15 | 125 | 125 | 1273 | 9443 | 804 |
| 397.5 | 24/7 | 772 | 15 | 125 | 125 | 1302 | 13870 | 863 |
| 397.5 | 26/7 | 783 | 15 | 125 | 125 | 1313 | 15485 | 926 |
| 477 | 24/7 | 846 | 20 | 125 | 125 | 1386 | 16340 | 999 |
| 477 | 26/7 | 858 | 20 | 125 | 125 | 1398 | 18525 | 1076 |
| 477 | 30/7 | 883 | 20 | 125 | 125 | 1423 | 22610 | 1458 |
| 556.5 | 18/1 | 879 | 20 | 125 | 125 | 1419 | 13015 | 1045 |
| 556.5 | 24/7 | 914 | 20 | 125 | 125 | 1454 | 18810 | 1124 |
| 556.5 | 26/7 | 927 | 20 | 125 | 125 | 1467 | 21470 | 1213 |
| Size (kcmil) | Equivalent AAC (AWG or kcmil) | Stranding | Conductor Diameter (mils) | Covering Thickness (mils) | Cable O.D. (mils) | Rated Strength (lbs) | Weight per 1000 ft.(lbs) | ||
| Conductor Shield | Inner Layer | Outer Layer | |||||||
| 48.69 | 4 | 7 | 250 | 15 | 125 | 125 | 780 | 1584 | 225 |
| 77.47 | 2 | 7 | 316 | 15 | 125 | 125 | 846 | 2520 | 275 |
| 123.3 | 1/0 | 7 | 398 | 15 | 125 | 125 | 928 | 4014 | 348 |
| 155.4 | 2/0 | 7 | 447 | 15 | 125 | 125 | 977 | 4851 | 396 |
| 195.7 | 3/0 | 7 | 502 | 15 | 125 | 125 | 1032 | 6111 | 454 |
| 246.9 | 4/0 | 7 | 563 | 15 | 125 | 125 | 1093 | 7704 | 525 |
| 312.8 | 266.8 | 19 | 642 | 15 | 125 | 125 | 1172 | 9900 | 611 |
| 394.5 | 336.4 | 19 | 720 | 15 | 125 | 125 | 1251 | 11970 | 716 |
| 465.4 | 397.5 | 19 | 783 | 15 | 125 | 125 | 1313 | 14040 | 805 |
| 559.5 | 477 | 19 | 858 | 20 | 125 | 125 | 1398 | 16920 | 932 |
| 652.4 | 556.5 | 19 | 927 | 20 | 125 | 125 | 1467 | 19710 | 1044 |
| 740.8 | 636 | 37 | 990 | 20 | 125 | 125 | 1530 | 21960 | 1148 |
| 927.2 | 795 | 37 | 1108 | 20 | 125 | 125 | 1648 | 27450 | 1389 |
| Size (AWG or kcmil) | Stranding | Conductor Diameter (mils) | Covering Thickness (mils) | Cable O.D. (mils) | Rated Strength (lbs) | Weight per 1000 ft.(lbs) | ||
| Conductor Shield | Inner Layer | Outer Layer | ||||||
| 1/0 | 7 | 336 | 15 | 125 | 125 | 866 | 1791 | 309 |
| 2/0 | 7 | 376 | 15 | 125 | 125 | 906 | 2259 | 350 |
| 3/0 | 7 | 423 | 15 | 125 | 125 | 953 | 2736 | 400 |
| 4/0 | 7 | 475 | 15 | 125 | 125 | 1005 | 3447 | 460 |
| 266.8 | 19 | 537 | 15 | 125 | 125 | 1067 | 4473 | 531 |
| 336.4 | 19 | 603 | 15 | 125 | 125 | 1133 | 5535 | 621 |
| 397.5 | 19 | 659 | 15 | 125 | 125 | 1189 | 6399 | 698 |
| 477 | 19 | 722 | 20 | 125 | 125 | 1262 | 7524 | 806 |
| 556.5 | 37 | 780 | 20 | 125 | 125 | 1320 | 8946 | 899 |
| 636 | 37 | 835 | 20 | 125 | 125 | 1375 | 10260 | 995 |
| 795 | 37 | 932 | 20 | 125 | 125 | 1472 | 12510 | 1181 |
Quality Control
25kV 3-Layer AAAC/ACSR/AAC Tree Wire - Triple Layer Covered MV Conductor
Raw Material Test
Raw Material Test for the 3-Layer 25kV AAAC/ACSR/AAC Tree Wire involves rigorous evaluation of conductor materials and covering compounds. Chemical analysis confirms aluminum purity and alloy composition (for AAAC/AAC) or steel/aluminum for ACSR. Mechanical properties such as tensile strength, elongation, and hardness are tested to meet ASTM requirements. HDPE or XLPE compounds undergo thermal stability, tracking resistance, dielectric strength, and weatherability testing. Detailed surface and dimensional inspections identify any potential defects before processing. Only fully compliant raw materials are released for stranding and triple-layer extrusion in the production of the 3-Layer 25kV AAAC/ACSR/AAC Tree Wire. This comprehensive raw material validation establishes the foundation for superior electrical performance, mechanical strength, and long-term reliability in multi-layer tree wire applications.
Process inspection
Process Inspection throughout manufacturing of the 3-Layer 25kV AAAC/ACSR/AAC Tree Wire focuses on precision and consistency. Conductor stranding is monitored to achieve exact dimensions with continuous quality checks. Triple tandem or sequential extrusion of the three covering layers ensures clean interfaces and uniform thickness. Concentric application of layers uses automated tension control for even coverage. Jacket parameters are strictly controlled for proper thickness and adhesion. Frequent in-line diameter measurements and visual inspections catch anomalies immediately. Environmental and process variables are logged to prevent contamination. Intermediate samples undergo partial discharge and mechanical spot testing. Any non-conformance prompts swift corrective measures. These detailed process controls protect the integrity and performance characteristics of the 3-Layer 25kV AAAC/ACSR/AAC Tree Wire, resulting in a uniform, high-quality covered tree wire.
Finished Product
Every completed reel of 3-Layer 25kV AAAC/ACSR/AAC Tree Wire passes comprehensive Finished Product testing. Dimensional inspections verify overall diameter, covering thickness, and conductor stranding. DC resistance, high-voltage AC, and partial discharge tests confirm compliance with ICEA and ASTM standards. Mechanical tests measure tensile strength and elongation properties. Tracking and weathering resistance tests are performed on covering samples. Full visual examination ensures a smooth, defect-free surface with uniform layers. All tests adhere strictly to applicable standards, with complete documentation and batch traceability maintained. Packaging and labeling are inspected for accuracy. Only the 3-Layer 25kV AAAC/ACSR/AAC Tree Wire that meets every quality criterion receives final approval. This final assurance stage guarantees customers a premium triple-layer tree wire with proven dielectric strength, tracking resistance, and durability for reliable overhead distribution in vegetated areas.
Application
The 3-Layer 25kV AAAC/ACSR/AAC Tree Wire is perfect for overhead distribution lines in forested, suburban, or urban areas with heavy tree growth, spacer cable systems, and reconductoring projects where reduced tree trimming and improved reliability are required.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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