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I need help Perforated cable tray GKT-B30D is a channel made of metal, which includes straight elements with perforated base. It is used for installation and laying of insulated electrical cables indoors and outdoors. It is made from rolled steel sheets 2 mm thick. The methods used for corrosion protection are galvanizing methods. Hot-dip galvanizing (TS 914 standard EN ISO 1461, coating thickness 55-120 µm.) Technical characteristics: Tray height 60 mm; Tray width 300 mm; Tray length 3 m; Steel sheet thickness 2.0 mm; Load capacity up to 250 kg/m Corrosion protection: hot galvanized