AR22F0R-11B is a 22mm diameter flush round head pushbutton switch manufactured by Fuji Electric, designed for momentary action operation with 1NO+1NC (one normally open, one normally closed) contact arrangement. The switch features screw-type terminals for reliable wiring connections and is part of the AR22 Command Switches series used in machine tools, industrial machines, control panels, and instrumentation panels. It conforms to international standards including UL508, CSA C22.2 No.14, and TÜV EN60947-5-1, ensuring compliance with safety and performance requirements. The switch is suitable for complex multifunctional control applications where improved interfacing, easier installation, and increased safety are required.