Ladder-type Aluminum Alloy Cable Tray

Ladder-type aluminum alloy cable trays are cable support and protection devices made of aluminum alloy with a ladder-like structure design. They are mainly used for the laying, fixing, and management of cables in power, communication, and control systems. Their core function is to provide a stable load-bearing frame for cables, while also considering heat dissipation, convenient maintenance, and environmental adaptability. They are a key supporting equipment in electrical wiring projects for industrial and civil buildings.

Ladder-type aluminum alloy cable trays adopt a ladder-like structure design with "two vertical sides + horizontal ladder rungs," and have the following significant features:

Open ventilation structure: The horizontal ladder rungs are evenly spaced (usually 100mm, 150mm, or 200mm, customizable as needed). After cable laying, they are exposed to the air, resulting in excellent ventilation and heat dissipation performance. This effectively reduces the temperature of the cables during operation and minimizes the risk of insulation aging due to overheating, making them particularly suitable for laying high-load, large-section cables (such as power cables).

• High-strength load-bearing design: The vertical edges utilize a channel-shaped or folded edge process to enhance rigidity, while the horizontal rungs are made of thickened aluminum alloy profiles. The overall structure has a strong load-bearing capacity (standard models can bear 50-200kg/m), meeting the needs of multiple cable stacking installations.
• Flexible adaptability: Supports various installation methods such as horizontal, vertical, turning (90°/45°), and incline installations. It comes with elbows, tees, crosses, reducers, and other connectors, which can be flexibly combined according to the on-site wiring path to achieve cable routing planning in complex scenarios.

The core value of aluminum alloy substrate Compared to traditional steel cable trays or other materials, aluminum alloy substrates offer multiple advantages:

• Lightweight and convenient: The density of aluminum alloy is only 1/3 that of steel, significantly reducing weight for the same specifications (e.g., a 100mm wide cable tray weighs approximately 2-3kg/m). Transportation and installation are time-saving and labor-saving, making it especially suitable for high-rise buildings, suspended ceilings, and other load-bearing sensitive scenarios.
• Superior Corrosion Resistance: The aluminum alloy surface undergoes natural oxidation or anodizing to form a dense oxide film (≥10μm thick), which can withstand corrosive environments such as humidity, salt spray, and weak acids and alkalis (e.g., coastal areas, chemical workshops, sewage treatment plants), with a service life of over 20 years, far exceeding that of steel cable trays (which require regular anti-corrosion treatment).
• Aesthetics and Environmental Integration: The anodized aluminum alloy surface presents a silver-white or custom color (e.g., gray, black), with a delicate texture and a simple, elegant appearance. It can be directly exposed in public areas (e.g., commercial complexes, exhibition halls), combining functionality and aesthetics, avoiding the "industrial feel" of traditional cable trays.
• Safe Grounding Performance: Aluminum alloy has good conductivity, and the cable tray itself can serve as part of the grounding trunk line. Through connectors, overall electrical connection is achieved, resulting in low grounding resistance (≤4Ω), effectively ensuring lightning protection and safe operation of the cable system.
   

High heat dissipation requirements: Industrial plants, data centers, substations, and other locations requiring the laying of large amounts of power cables (such as 10kV and above high-voltage cables). The open structure solves the cable heat dissipation problem.

Corrosive environments: Coastal ports, chemical industrial parks, sewage treatment plants, offshore platforms, and other humid, salt spray, or corrosive gas environments. The corrosion resistance of aluminum alloy can significantly reduce maintenance costs.

Lightweight installation: High-rise buildings, subways, airports, and other locations with restrictions on lifting load capacity. The lightweight characteristics reduce the load pressure on the building structure.

Convenient maintenance: New energy power plants, intelligent manufacturing workshops, and other locations requiring frequent cable inspections. The open ladder design facilitates quick identification, replacement, or addition of cables, improving operation and maintenance efficiency.

• Standardized installation: Following a modular design, the supporting brackets, hangers, connectors, etc., are all standard parts. The installation process is simple (fixed by bolts or clips), and it conforms to industry-standard construction specifications.
• Low maintenance cost: The aluminum alloy material eliminates the need for regular anti-corrosion coating; daily cleaning of surface dust is sufficient. The ladder-type structure eliminates the need for enclosed channels, allowing for cable fault diagnosis and repair without disassembling the cover, improving maintenance efficiency by over 50%.
• Compliance and reliability: The product strictly complies with national standards such as GB/T 24766 "Cable Trays" and JB/T 10216 "Cable Trays for Electrical Control and Distribution." Material composition, load-bearing capacity, and corrosion resistance have all passed third-party testing, ensuring long-term stable operation.

The ladder-type aluminum alloy cable tray, with its core features of "ladder structure enhancing heat dissipation and load-bearing capacity, and aluminum alloy material improving corrosion resistance and lightweight," combines safety, aesthetics, and convenience. It is an ideal choice for modern electrical wiring projects, offering "high performance + low total life-cycle cost," and is widely used in power, communication, industrial, and construction fields, providing reliable support for the stable operation of cable systems.

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