The Harmony XB4F series made of metal offers a variety of 30 mm complete devices such as push buttons, indicator lights, and selector switches, as well as emergency stop switches. Additionally, due to the modular design of the devices, all components can also be purchased as individual elements, and optionally for a 22 mm installation size. Due to their quality, flexibility, and extreme robustness (protection classes up to IP69K), these devices are ideal for most applications in industry and buildings. This key switch in black features 1 normally open contact and has 2 positions. Installed in a 30 mm bore, the device is connected via screw terminals on the back of the product. Due to the variety of existing product standards and certifications, it is suitable for international use. Thanks to the Green Premium environmental label, you can obtain detailed information on material contents, environmental impacts, and circular economy, which support your sustainability goals.