T-piece for assembly with flanged, round, and unperforated side rails, featuring connector holes for connections, with an integrated joint connector, designed for wide-span cable trays. It is shape-stable due to a rear-mounted support profile and riveted, upward-open C-profile rungs with a slot width of 16 mm. This is a cost-effective solution for creating 90° T-branches and intersections, dependent on width in the main direction, including fire-galvanized proportionate fastening accessories. The radii of the fittings are designed to allow cable installation according to DIN/VDE 0298 Part 3. Suitable bracket clamps can be found in the KI catalog. Joints must be supported by an appropriate load-bearing structure in close proximity. Usable for: Wide-span cable tray WSL 150, Wide-span cable tray WSLM 150. Dimensions (approximate): Height H (clear internal dimension) x Width B (clear internal dimension): 151.5 x 605 mm. Notch of the wide-span cable tray: 1003 mm + B. Length in the direction of the branch: 750 mm. Inner rail radius R: 500 mm. Material: Steel, hot-dip galvanized according to DIN EN ISO 1461.