Aluminum Cable Tray Selection

Aluminum cable trays are available in a variety of ladder, ventilated, and solid-bottom designs, with CAD and BIM models accessible for design and installation planning. Types of Aluminum Cable Trays1. Ladder Trays: These feature side rails with rungs, allowing easy cable support and ventilation.

They are ideal for heavy-duty applications and long cable runs, providing flexibility for cable entry and exit at any point (Legrand). 2. Ventilated Trays: These trays have perforated bottoms to improve airflow and reduce heat buildup, suitable for sensitive electrical installations (ABB).

3.

Solid-

Bottom Trays: Provide full support for cables and protect against dust or debris, often used in indoor commercial environments (ABB). 4. Accessories and Fittings: Aluminum trays come with horizontal and vertical fittings, covers, splices, and supports to accommodate changes in direction, elevation, and additional security requirements (Legrand).

Material and Finish

Aluminum trays offer high strength-to-weight ratio, corrosion resistance, and ease of installation. They are often pre-finished or anodized for durability, and some models comply with ASTM, ISO, and UL standards for safety and structural integrity (ABB).

CAD and BIM Models

Designers can access 3D CAD and BIM models for aluminum cable trays in formats compatible with SOLIDWORKS, Inventor, Creo, CATIA, AutoCAD, Revit, SketchUp, and ArchiCAD. Neutral formats like STEP, STL, IGES, DWG, and DXF are also available for integration into engineering projects (TraceParts, BIMobject).

Manufacturer Resources

Eaton B-

Line Series: Offers metallic ladder and tray systems with downloadable submittals, CAD/BIM content, and design tools for straight sections, fittings, and accessories.

ABB T&

B Cabletray: Provides aluminum and steel trays with extensive CAD libraries, fittings, and compliance with ANSI/NFPA and NEMA standards. Legrand: Features metallic ladder trays with multiple heights, lengths, widths, and compatible accessories, including 3D drawings for design purposes.

Design Considerations

When selecting aluminum cable trays, consider load capacity, cable type, environmental conditions, and installation requirements. Ventilated trays are preferred for heat-sensitive cables, while ladder trays are ideal for heavy or long cable runs. CAD/BIM models help ensure accurate planning and integration into MEP designs.

Aluminum cable trays provide a versatile, lightweight, and durable solution for industrial and commercial cable management, with extensive design support through CAD and BIM resources.