Double rotary latch for subsequent or additional installation in shaped cover of cable trays and for distribution tray covers, including truss head screw with slot FL 6X12-S E3 DIN 603, washer US M8 E3 DIN EN ISO 7089 and lock nut SMS 6 E3 DIN EN ISO 10511 made of stainless steel, material no. 1.4301, 1.4303. Use outdoors, due to external influences such as wind loads, is only possible with additional security (self-tapping screws, steel band, etc.). When fastening, ensure that a minimum distance of = 50 mm to the beginning/end of the cover is maintained. Furthermore, ensure that the screw head slot is installed flush with the fastening tab of the rotary latch plate. This ensures that it is possible to later check that all existing rotary latches on the cover are properly closed (position of the screw head slot). Use for: Formed cover of cable trays Distribution tray cover RDSV 50 E3 Delivery: unassembled and loose Material latch: stainless steel, material no. 1.4571