AR22G4L-01E3W is an illuminated pushbutton switch manufactured by Fuji Electric, designed for industrial control applications in machine tools, control panels, and instrumentation panels. The switch features an extended full guard operator with 24mm diameter opening and 1NO (one normally open) contact arrangement, providing reliable momentary action operation. It is equipped with LED lamp capability with green lens color (G code) and supports both momentary and alternate action configurations. The device is constructed to meet UL and TUV Rheinland standards, ensuring safety and reliability in complex multifunctional control environments. This switch improves operator interfacing with better layout, easier installation, and enhanced safety for industrial machinery and control systems.