The SIEMENS 6AV7674-1ME00-0AA0 is a 22 mm round latching keyswitch designed for extension units, supplied complete with a printed circuit board, two keys, and mounting accessories. Ideal for controlled access and mode selection, it offers three switch positions (1-0-2) and two NO contacts for straightforward on/off/alternate control. The plastic housing and included PCB with contact module make installation into panels quick and tidy, while the pair of keys ensures secure operation. Use it where compact, keyed switching is required for machinery, consoles, or access-controlled equipment.
