The Eaton 229092-1 M22-WRS-A1 key switch in black is a high-quality control element designed for various applications in electrical engineering. With a diameter of 29.7 millimeters, this key switch offers a compact design that can be easily integrated into different systems. The IP66 protection rating ensures that the switch is dust-tight and protected against strong water jets, making it ideal for use in demanding environments. The key switch is not compatible with smart home systems and is sold as a single unit. It operates via a button, allowing for simple and intuitive handling. The black color gives the switch a modern and professional appearance that seamlessly fits into various designs. This key switch is a reliable choice for anyone who values quality and durability.