The OMRON A22NN-MPM-NGA-G100-NN is a high-quality pushbutton switch designed for industrial automation applications. Featuring a 22mm diameter, this non-lighted, momentary switch comes with a brushed metal bezel and a green opaque button. It offers a single-pole, single-throw normally open (SPST-NO) contact configuration, ensuring reliable performance in various environments. With an IP66 rating, it provides excellent protection against dust and water, making it suitable for demanding industrial settings. The switch is easy to install with a standard panel mount and screw terminal block, making it an ideal choice for automation and safety applications.