Spacing of Galvanized Cable Trays in China

Galvanized cable trays in China typically feature widths from 50 mm to 1200 mm, thicknesses of 1.6–2.0 mm, and lengths of 2.5–3 meters, with various types including ladder, perforated, and trough designs.

Material and Coating

Chinese manufacturers commonly use hot-dip galvanized steel or galvanized stainless steel for cable trays, providing corrosion resistance, durability, and smooth surface finish suitable for industrial, commercial, and infrastructure applications (KDM Steel, Lingchuang Group) . Some suppliers also offer powder-coated or fire-resistant options for specialized environments .

Dimensions

• Width: 50 mm to 1200 mm, accommodating different cable volumes .
• Thickness: 1.6 mm to 2.0 mm for standard trays; ladder-type trays often use 2.0 mm for added strength .
• Length: Standard lengths are 2.5 m to 3 m, with custom lengths available upon request .
• Load Capacity: Determined by tray type, thickness, and support spacing; medium-duty trays are suitable for industrial electrical distribution .

Types of Galvanized Cable Trays

1. Ladder Type: Ideal for heavy-duty cables, allows ventilation and heat dissipation, commonly 2.5–3 m in length and 2.0 mm thick .
2. Perforated Tray: Provides flexibility for cable fastening and drainage, typically 1.6–2.0 mm thick .
3. Trough/Tray Type: Enclosed design for protection against dust and moisture, suitable for sensitive environments .
4. Customized Designs: Manufacturers in China can produce trays tailored to specific widths, lengths, and load requirements for industrial automation, shipbuilding, or photovoltaic installations .

Installation and Environmental Considerations

• Cable trays are installed on walls, ceilings, or supports, with spacing and load capacity carefully calculated to prevent deformation .
• Environmental factors such as humidity, corrosiveness, and fire safety influence the choice of tray type and coating .
• Grounding and electrical safety standards must be followed, including proper connection of grounding circuits and adherence to rated load capacities .

Manufacturers and Supply

Leading Chinese suppliers include Lingchuang Steel Group, KDM Steel, and Tianjin Longzhou Ocean Shipping International Trade Co., offering both standard and custom galvanized cable trays with sufficient inventory for domestic and international projects . These specifications ensure that galvanized cable trays from China are versatile, durable, and suitable for a wide range of industrial and commercial electrical installations.