Tray-type cable trays are cable support devices with a continuous tray-like structure. They come in various materials, commonly including cold-rolled steel sheets (treated with galvanizing, baking paint, etc.), stainless steel, and aluminum alloy. The material can be selected according to environmental requirements, balancing strength and corrosion resistance.
In terms of functions, they mainly provide an orderly laying space for cables, capable of accommodating multiple sets of power, communication, and control cables. They not only avoid maintenance difficulties caused by scattered cables but also block external slight impacts and dust invasion. Meanwhile, the hollow design at the bottom of the tray facilitates cable heat dissipation, reducing overheating failures.
They have a wide range of applications: in industrial plants, they are used for wiring power cables connecting equipment; in the ceilings or mezzanines of commercial buildings, they organize cables of weak current systems; in data centers, they support a large number of network cables and power cords to meet heat dissipation needs; they are also applicable to cable management in infrastructure projects such as subways and airports. Especially suitable for scenarios requiring frequent maintenance or with high cable heat dissipation requirements, they are a highly versatile wiring solution.
Total Product Parameters
|
Parameter Category |
Specific Description |
|
Length |
Common standard lengths are 2m, 3m, 4m, 6m; tray structures are mostly 2m per section, and grid structures are mostly 3m per section |
|
Width |
Common specifications: 50mm, 100mm, 150mm, 200mm, 300mm, 400mm, 500mm, 600mm, 800mm, 1000mm, among which 200mm, 300mm and 400mm are more common |
|
Height |
Common specifications: 50mm, 100mm, 150mm, 200mm; 50mm is suitable for scenarios with few cables, and 100mm is used frequently |
|
Plate Thickness |
≥1.0mm when width ≤150mm; ≥1.2mm when 150-300mm; ≥1.5mm when 300-500mm; ≥2.0mm when 500-800mm; ≥2.2mm when ＞800mm |
|
Protective Coating Thickness |
Electroplating ≥12μm, hot-dip plating ≥65μm, plastic spraying ≥50μm, fireproof coating ≥500μm (measurable with a thickness gauge) |
|
Fireproof Coating Appearance |
Dark gray uniform viscous fluid without agglomeration |
|
Surface Drying Time of Fireproof Coating |
Surface drying time ≤2 hours |
|
Adhesion Strength of Fireproof Coating |
Adhesion strength ≥0.78Mpa to ensure firm adhesion of the coating |
|
Fire Resistance Classification |
Class NH1 (≥30min, suitable for general distribution rooms); Class NH2 (≥45min, suitable for data centers); Class NH3 (≥60min, suitable for substations) |
|
Grounding System Parameters |
Grounding resistance ≤0.05Ω; cross-connecting conductor cross-sectional area: ≥4mm² copper braid when width ≤200mm, ≥6mm² copper braid when ＞200mm |
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