The AR30B2R-11G is a 30mm diameter giant head pushbutton switch with full guard designed for industrial control applications requiring momentary action operation. This switch features a 1NO+1NC (one normally open, one normally closed) contact arrangement, providing dual contact functionality for flexible circuit control. The device is constructed with a screw terminal connection type and is rated for use in machine tools, industrial machines, control panels, and instrumentation panels. It meets international standards including UL 508, CSA C22.2 No.14, and TÜV EN60947-5-1, ensuring reliability and safety in complex multifunctional control environments. The giant head with full guard design provides enhanced operator protection and improved visibility in demanding industrial settings.