The M22S-ST-X89 is an industrial control system and pushbutton product manufactured by Eaton. It is a pre-assembled unit that contains a series of components and provides a complete control solution. The components include a selection of pushbuttons, selector switches, illuminated indicators, and an emergency-stop button. Additionally, it has pilot devices and multiple terminal assemblies, as well as a base and enclosure. The pushbutton unit is designed to provide a strong, secure, and reliable solution for a wide range of industrial applications, including machine control and automation.