Siemens 8WD4408-0AD is a SIRIUS signaling-column connection element designed for pipe mounting, shipped with an end cover, and featuring a spring-type terminal electrical connection for use with 70 mm-diameter 8WD44 signaling columns. The enclosure measures 42.5 mm in height and 70 mm in width, with an outer signaling-column diameter of 70 mm, molded from PA in black and rated IP65 for rugged industrial environments. Operating from -20 to +50 C, this connection element forms part of the modular signaling-column system and supports mounting up to five signaling elements between the connection element and the end cover.
