Overview
| Model NO. | AAAC Conductor (LJ) | Application | Power Distribution,Urban Distribution,Tower Upgrades,Industrial |
| Voltage | Medium/High Voltage | Conductor | Aluminum |
| Insulation Material | BARE | Jacket | None |
| Material Shape | Round | Temperature | 70°C, 90°C |
| Certification | ISO, CCC, CE, RoHS, VDE | Conductor Type | Solid |
| Brand | ZhongYI | Voltage Type | 0.6/1 kV, 3.6/6 kV, 8.7/15 kV, 26/35 kV, 64/110 kV |
| Company Name | ZHONGYI Cable Co., Ltd | CORE | Multicore |
| Transport Package | Plastic Packaging and Cardboard Boxes | Specification | 35mm²～1600mm² |
| Origin | HEBEI China | Color | Silver |
| Sectional area mm |
No.of wires | Diameter of conductor mm |
Rated strength daN |
Approx.weight kg/km |
Max DC resistance of conductor at 20 Ω/km |
| 40 | 7 | 8.1 | 1270 | 110 | 0.840 |
| 50 | 7 | 9.06 | 1590 | 138 | 0.67 |
| 60 | 7 | 10.17 | 1910 | 173 | 0.532 |
| 500 | 37 | 29.05 | 14300 | 1372 | 0.067 |
| 560 | 37 | 30.73 | 16100 | 1537 | 0.0598 |
| 630 | 37 | 32.62 | 18100 | 1730 | 0.0531 |
Features
AAAC Conductor LJ , represents aluminum stranded conductors in Chinese standards; whereas in international standards (ASTM), all aluminum alloy stranded conductors are typically referred to as AAAC(All Aluminum Alloy Conductor). sometimes also call Aluminium ABC Cable.
| Cable/Conductor Code | International / Western Technical Name | Material Composition (Core / Strands) | Tensile Strength & Span Capacity | Electrical Conductivity | Best Installation Environment | Chinese Equivalent (GB/T) |
|---|---|---|---|---|---|---|
| ACSR | Aluminum Conductor Steel Reinforced (Bare Conductor) | High-Tensile Galvanized Steel Core + EC Grade Aluminum Strands | Excellent (Designed for ultra-long spans) | Standard (Slight skin-effect loss via steel core) |
Long-distance high voltage (HV) transmission grids over mountains, rivers, and valleys. | LGJ (Standard Bare Line) |
| AAC | All Aluminum Conductor (Bare Conductor) | 100% EC Grade Hard-Drawn Aluminum Strands (No Steel) | Low (Only for short spans) |
Maximum (61% IACS high conductivity) |
Urban low/medium voltage distribution lines with short pole spacings or coastal areas (anti-corrosion). | LJ (All-Aluminum Bare Line) |
| AAAC | All Aluminum Alloy Conductor (Bare Conductor) | High-Strength Aluminum-Magnesium-Silicon Alloy Strands | High (Good for medium-long spans) |
High (Better power efficiency than ACSR) |
Medium and high voltage distribution grids, urban overhead reconstruction, and heavy corrosion zones. | LHAJ (Aluminum Alloy) |
| ACAR | Aluminum Conductor Alloy Reinforced | High-Strength Aluminum Alloy Core + EC Grade Aluminum Strands | High (Optimized strength-to-weight) |
Excellent (Higher capacity than ACSR) |
Overhead transmission lines requiring both maximum current carrying capacity and structural mechanical support. | LGJJ (Alloy Reinforced) |
| ACCC | Aluminum Conductor Composite Core (High-Tech) | Carbon Fiber & Glass Fiber Composite Core + Trapezoidal Aluminum Wires | Extreme (Zero thermal sag at high loads) |
Maximum Upgrade (Doubles capacity of ACSR) |
Old grid capacity upgrading projects (re-conductoring) and extreme heavy-load transmission grids. | JLRX / JL/G3A (Carbon Fiber Core) |
High Strength: Made from heat-treatable aluminum-magnesium-silicon alloy for better mechanical tension.
Corrosion Resistance: Excellent durability in coastal or industrial areas compared to ACSR.
Lower Power Loss: Due to its All Aluminum Alloy Conductor，so it better conductivity-to-weight ratio helps reduce energy transmission losses.
Lightweight: Easier to handle and install, reducing the load on transmission towers.
Application
Coastal Power Grids: Ideal for seaside environments where salt spray causes corrosion.
Urban Distribution: Used in medium and high-voltage overhead distribution and power lines.
Tower Upgrades: Perfect for replacing older lines where tower strength is limited.
Industrial Zones: High resistance to chemical pollutants and harsh air quality.
Certification
Factory
FAQ
1. What unique mechanical and material advantages does the AAAC LJ conductor offer?
High-Strength Aluminum Alloy Matrix:
The designation ‘LJ’ under standard Chinese nomenclature refers to stranded aluminum-based bare conductors, which directly aligns with international AAAC (All Aluminum Alloy Conductor) frameworks. Manufactured strictly using heat-treatable Aluminum-Magnesium-Silicon alloy strands, our AAAC LJ lines exhibit significantly higher tensile strength and mechanical tension limits compared to standard pure aluminum conductors (AAC). This material optimization provides a vastly superior strength-to-weight ratio for utility grids.
2. Why is AAAC (LJ) preferred over ACSR for coastal or heavily polluted industrial zones?
Superior Corrosion Resistance & Longevity:
Standard ACSR conductors contain a galvanized steel wire core which is highly susceptible to galvanic corrosion and rust when exposed to salt spray or chemical pollutants. Because our AAAC LJ conductor contains zero iron or steel elements—being composed entirely of uniform aluminum alloy strands—it provides exceptional chemical immunity against aggressive coastal air and harsh industrial smog. This drastically extends the maintenance-free service life of your overhead network.
3. How does utilizing an All Aluminum Alloy Conductor lower power transmission losses?
Enhanced Conductivity-to-Weight Ratio:
By eliminating the magnetic steel core found in ACSR wires, our AAAC (LJ) conductor removes the localized magnetic hysteresis and skin-effect power losses inherent to steel-reinforced lines. The highly conductive alloy matrix yields better power transmission efficiency per kilogram of conductor material, lowering line impedance and cutting down on overall energy dissipation across medium and high-voltage grid layouts.
4. Does ZHONGYI CABLE manufacture LJ / AAAC conductors compliant with international standards?
Global Regulatory Compliance & Testing:
Yes. In addition to meeting China’s national GB/T 1179 framework for LJ lines, our advanced manufacturing facility engineers AAAC conductors to satisfy international specifications including IEC 61089, ASTM B399, and BS 3242. Every production run undergoes mandatory routing quality control—including strict wire diameter tolerances, wrap testing, and DC resistance verification at 20°C—to secure seamless engineering approval.
5. What are the packaging and delivery standards for bulk B2B orders of AAAC overhead conductors?
Heavy-Duty Project Logistics & Reel Security:
To preserve the precise helical layout of the alloy strands and prevent surface scratching during ocean transit, our AAAC LJ lines are wrapped tightly on reinforced steel-wooden drums or extra-heavy-duty all-steel reels. Total continuous delivery lengths per drum are meticulously calibrated from 35mm² up to 1600mm² based on your path-by-path sag-tension blueprints to cut down on unnecessary mid-air splicing joints.
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