The OMRON A22NN-BNM-NBA-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 durable plastic bezel and a flat, opaque black button. It offers an IP66 rating for robust protection against dust and water ingress, making it ideal for harsh environments. The switch utilizes a screw terminal block for easy installation and is equipped with a single-pole, single-throw normally open (SPST-NO) contact configuration. Perfect for control panels and machinery interfaces, this pushbutton switch ensures reliable performance and longevity.