Cable tray, heavy, to DIN EN 61537, unperforated, with pre-stamped knock-out openings, without connectors but with connector perforations at both ends for connection, for the walkable cable tray system. Please order two universal connectors per joint separately. Dimensions (approx.): Height x Width: 100 x 300 mm. Material thickness: 2 mm. Double-row knock-out openings on both sides: 7 x 15 mm. Longitudinal grid dimension: 37.5 mm. Row spacing: 50 mm. Double-row knock-out openings in the floor: 7 x 15 mm. Longitudinal grid dimension: 37.5 mm. Row spacing from the side rails: 37.5 mm. Delivery length: 3000 mm. Usable cross-section: 29800 mm². Material: Steel, strip galvanised to DIN EN 10346.