Cover for wide span cable tray/ladder, with impact strip to reduce deflection at the cover joint, protection against the ingress of dirt and increase stability with the adjacent cover, with captive pre-assembled rotary latch locks, height-independent cover for wide span cable trays and ladders. Due to external influences, such as wind loads, use outdoors is only possible with additional security (self-tapping screws, steel band, etc.). Rotary latches WDRS 20 can be used for additional requirements. for wide span cable trays: WRL ... WRLM ... WRU ... for wide span cable ladders: WSL ... WSLM ... Dimensions (approx. dimensions) B (inside): 504 mm Delivery length L: 3000 mm Material: Steel, strip galvanized in accordance with DIN EN 10346 Material of rotary latch locks: Steel, strip galvanized in accordance with DIN EN 10346