M22 pushbutton line is a complete, modular and versatile offering. From field-convertible maintained operators to customizable laser engraved buttons, the M22 pushbutton line provides endless opportunity for flexibility and reduced inventory. Each operator type provides options for ordering as complete or component parts allowing for a perfect fit for each application. All of this flexibility comes in a very rugged design. Field convertible from maintained to momentary (available on maintained pushbuttons only). Customizable laser engraving on all buttons. LED offering only for improved brightness quality and up to 100,000 hours of operation. More than five million mechanical operations on momentary and 1 million on maintained pushbuttons. Modular construction makes assembly fast and simplifies stocking of components and complete devices. Capable of communicating via ASi protocol with ASi adapter modules.