The Harmony XB4/ZB4 metal series offers a wide range of 22mm complete devices such as push buttons, indicator lights and selector switches, as well as 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 (protection classes up to IP69K), the devices are ideal for most applications in industry and buildings. This white lamp holder contains a BA9s bulb and requires a supply voltage of 400V. Suitable for international use due to the large number of existing product standards and certifications. Thanks to the Green Premium eco-label, you can obtain detailed information on material content, environmental impact and circular economy that supports your sustainability goals.