Water resistant flush program WU 500 WU Characteristic of the 500 series is the use of shatter-proof material. Illuminated in accordance with the workplace ordinance by lamps 95-97, seesaws in lighter colors have sufficient transparency. With paddles darker color use KO version. With sealing gasket 551 WU 581 WU and CD Cover ... - CD 583 WU ... use. Only the degree of protection IP 44 is ensured. Colours: white (similar to RAL 1013) alpine white (similar to RAL 9010) Brown (similar to RAL 8033), gray (similar to RAL 7038) Rocker CD universal for switch, intermediate switch and neutral switch color: alpine white Type: CD590BFWW item: 1 ST.