Cable tray dimensions and price list

Cable trays are available in standard widths from 50mm to 900mm, heights from 25mm to 150mm, and lengths typically of 3 meters, with prices varying by material and load capacity.

Standard Dimensions

Cable trays are designed according to international standards such as NEC, IEC, and DIN EN 61537, ensuring compatibility, safety, and proper ventilation for cables . Key dimensions include:

• Width: Common widths range from 50mm to 900mm, with typical sizes being 100mm, 150mm, 200mm, 300mm, 400mm, and 450mm . Width determines the number of cables that can be laid side by side.
• Height/Depth: Heights generally range from 25mm to 150mm, controlling vertical stacking and heat dissipation .
• Length: Standard sections are 3 meters, though some manufacturers offer 6-meter lengths for longer runs .
• Material Thickness: Varies by load capacity and material. Heavy-duty galvanized trays often have 2.5mm or more thickness with reinforced side rails .

Types of Cable Trays

• Ladder trays: Ideal for heavy power cables, with cross-members for support .
• Perforated trays: Allow ventilation for heat-sensitive cables.
• Solid trays: Provide full protection for sensitive or hazardous environments.
• Material options: Hot-dip galvanized steel, pre-galvanized steel, stainless steel, and halogen-free plastic .

Sizing Considerations

• Cable fill ratio: NEC recommends 40% for power cables and 50% for control cables to prevent overheating .
• Future expansion: Add 25% spare capacity to accommodate additional cables.
• Load capacity: Wider and thicker trays support heavier cable loads.

Pricing Overview

Cable tray prices vary depending on material, width, height, and load rating:

• Small trays (50–100mm width): Typically used for light data or control cables; prices start around $10–$20 per meter.
• Medium trays (200–300mm width): Suitable for office or hospital installations; prices range $20–$50 per meter.
• Heavy-duty trays (450–900mm width): Used in industrial or high-density applications; prices can reach $50–$150 per meter, especially for stainless steel or reinforced trays .
• Accessories: Bends, tees, reducers, brackets, and covers are sold separately, often adding 10–30% to the total system cost.

Summary

When selecting cable trays, consider width, height, material, load capacity, and future expansion. Standard 3-meter sections simplify installation, while proper sizing ensures compliance with NEC/IEC standards and prevents overheating. Prices vary widely based on material and application, so planning the tray type and dimensions carefully can optimize both cost and performance .