The AR9C022-B is a legend plate accessory designed for use with AR22 and AR30 illuminated pushbutton switches featuring a round bezel configuration. This component is specifically compatible with AR22JR, JCR, AR30JR, and JCR switch models, as well as AR9C025 and AR22JAR, AR30JAR variants. The legend plate is available in six different key type codes (A, B, C, D, E, or F) to accommodate various labeling and identification requirements in control panel applications. It provides a professional appearance and clear visual identification for operator interface in industrial machines, control panels, and instrumentation systems.