The Harmony XB4 metal series offers a wide range of 22mm complete devices such as push buttons, indicator lights and selector switches through to emergency stop switches. In addition, the modular design of the devices means that all components can be purchased as individual elements and optionally also for 30mm installation dimensions. Due to their quality, flexibility and extreme robustness, the devices are ideal for most applications in industry and in buildings. This key switch in black has 1 normally open contact and 2 positions. This product has the corresponding ATEX certification. Mounted in a 22mm hole, the device is connected using screw terminals on the back of the product. Suitable for international use due to the large number of existing product standards and certifications. Thanks to the Green Premium eco-label, you can receive detailed information on material content, environmental impact and circular economy that supports your sustainability goals.