The Harmony XB4 series made of metal offers a wide range of 22 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 obtained as individual elements, and they can optionally be adapted for a 30 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 indicator light in red is compatible with a BA9s bulb and requires a supply voltage of 400 V. The dome of the indicator light is smooth. Installed in a 22 mm hole, the device is connected via screw terminals on the back of the product. Due to the numerous 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.