The SIEMENS 6AV7674-1MD00-0AA0 is a 22 mm round selector switch for extension units, designed for reliable panel control with a latching action and integrated white LED. It provides three positions (1–0–2) with two normally open contacts and comes without inscription to suit custom labeling. Supplied with the printed circuit board contact module and mounting accessories, this unit simplifies installation and wiring for control panels and machine interfaces. The plastic housing and compact round form make it easy to fit into standard cutouts while the included PCB ensures consistent electrical connection and straightforward assembly.
