EAO 82-4552.2123 is a 16 mm illuminated pushbutton designed with aluminium construction, featuring a flush/flush profile and a maintained action. It employs screw terminals for secure connections and is fitted with silver contacts to enhance conductivity and durability. The pushbutton is characterised by a blue ring illumination and operates at 12 V AC/DC, making it suitable for use in control panels, industrial machinery, and instrumentation interfaces where reliable user input indication is required.