AR22F0L-10E3S is a 22mm diameter illuminated pushbutton switch manufactured by Fuji Electric, featuring a flush round head operator with extended design and LED lamp illumination. The switch is configured for momentary action operation with a single normally open (1NO) contact arrangement and operates without an internal transformer. It supports multiple voltage options including 6V DC, 6V AC, 5.5V AC/DC, 12V AC/DC, 15V AC/DC, 20V AC/DC, and 24V AC/DC for LED lamp operation. The device is designed for use in machine tools, industrial machines, control panels, distribution panels, and instrumentation panels, offering improved interfacing, easier installation, and increased safety in complex multifunctional control applications.