The OMRON A22NN-MPA-NRA-G101-NN is a robust pushbutton switch designed for industrial automation applications. Featuring a 22mm diameter, this non-lighted switch comes with a brushed metal bezel and a projected, alternate action button in opaque red. Engineered for durability, it boasts an IP66 protection rating, making it suitable for harsh environments. The switch is equipped with screw terminal blocks and NO contacts, ensuring reliable performance in control panels and machinery interfaces.