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Cable route systems

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Cable route systems

Cable routing systems include tray assemblies, supports, suspension rods and various types of connectors. They are used to run cables in many places. They are an essential element in the correct and safe routing of power, control, signal and lighting cabling in a wide range of industries, storage areas and public buildings. The electrical installation, which is subject to strict safety standards, is protected and ergonomically distributed through cable route systems.

Cable route construction

A major factor affecting the safety and durability of the installation is the environmental conditions. To meet the requirements of safety standards, prevent damage to the structure and possible short circuits to which the electrical installation is exposed, they are protected against corrosion in a complex way. Both mesh cable trays, perforated trays, horizontal cable ladders and other connecting and mounting elements, are made of galvanized metal or coated with non-corrosive materials. Sometimes they are also made of stainless steel or all elements are powder coated with epoxy paint.

A single element of a cable route made of perforated metal sheet is usually 3 metres long. The width of a typical module is from 50 millimetres to 300 millimetres. Depending on the type of tray, it has oval and round technical holes along its entire length. They enable flexible adjustment of the fastening points and fixing of individual elements on it.

Cable duct systems in practice

Depending on the type of object, the characteristics of use and the type of cabling, we use different cable route systems. In objects with large areas and high concentration of different types of electrical installations, and at the same time with dense service, such as warehouses, logistics centers, power supply lines in production facilities, wide-span suspended systems and cable route systems are used. Together with accessories such as connectors, brackets, supports or cable clips, they allow to lead the cabling at a safe height not interfering with the work of personnel. In places where the amount of cabling is reduced the width of trays is reduced, which optimizes the construction and course of work of cable route systems.

Mesh cable trays

Mesh cable trays are ideal for installations with fewer cables and where there is little or no load-bearing capacity. They allow efficient and fast construction of cable routes without the need for additional bolting. They are available with clamping fastening systems in clamps and supports, which reduce the weight of the installation and simplify the construction of individual segments. Individual cable trays are usually connected by sliding the element over the top of the laid cable route or by bending the connecting element. Arches can be created by using corners or cutting out individual sectors of the wire tray and bending it to the desired shape.

Vertical cable routing

Vertical cable ladders and individual conduit systems make it possible to vary the installation height steplessly. They can be used to supply power and control systems to individual machines and plants in any area of production halls and warehouses. Their final locations should be considered during the design and planning of the electrical installation. Vertical cable ladders have a lighter construction and less frequently spaced transverse elements to which the electrical installation is attached.

Strength of cable trays

All elements, especially supporting and fixing elements, both horizontal (horizontal cable trays) and vertical cable trays are subjected to constant static load. Their structure must also be intact during fire and heat. In accordance with safety standards and technical requirements, the load capacity of individual sections and elements of the structure is given in the category of specific parts. Between vertical supports the standard distance is between 1.2 metres and 1.5 linear metres. For each such section, the load that the electrical installation carries must not exceed 10 kilograms. Compliance with these values ensures the correct support, distribution and protection of all types of cabling in accordance with international standards IEC 61537.