Enclosurematerial: Extruded profile: AI Mg Si0,5Plastic lid: ABSFor technical data, see “the red book” general catalogue, pages 644-657 Colour: Profiles: silver-coloured, anodized Lid: quartz-grey (similar to RAL 7039) and graphite grey (similar to RAL 7024) Ingress IP 40 / DIN EN 60529 protection: (retrofitted up to IP 54) All dimensions in mm. AT 18.. DI:Seal for IP 54 Note: To upgrade to IP 54, in addition to seal AT 18.. DI, a sponge cord must be factory-fitted in the enclosureprofile.AT 1800-... WB:Wall fittingAT-IS 00020:Insulation stripAB-GF:Rubber feet The individual components: The split profile of the Alu-Topline desktop enclosure guarantees better and easier assembly of the electronics andother components. The lid can be rotated in order to cover different ranges of application with the same contents (e.g. desktop and wall application). Adapter connectors, power plugs etc. can easily be fitted in the required position. A SUB-D connector can also be fitted on the narrow front side of the Alu-Topline 1865 model.The profiles are equipped with slots and screwing channels to accept PCBs or mounting plates. There is a recessedarea on the top side for the fitting of membrane keypads.Plastic lids made of ABS are available as end covers in either graphitegrey or quartz grey. The handle elements integrated in the design lids ensure good handling. ATPH 1850ATPH 1865 ATD 18... Accessories (additional charge): 3