The 1.30.290.021/2500 is a momentary, illuminable pushbutton designed for panel mounting via a threaded ring and adapter. It features a flush, translucent green lens, a round stainless steel front ring, and a collar diameter of 34.5 mm, requiring a 30.3 mm mounting hole. This component provides a 4 mm operating travel and is rated for a mechanical operating life of 1,000,000 momentary cycles. With an IP65 degree of protection from the front and an operating temperature range of -25 °C to +70 °C, it is suitable for use in various industrial applications requiring robust and reliable user input.