Plastic illuminated push-button as front element with a 30 mm installation dimension, Harmony XB5F series for flat installation. Customized with the Harmony online configurator. Individual adaptations are possible, such as labeling, printing, and color schemes. The modular Harmony XB4F and XB5F series with 30 mm installation dimensions combine simple installation, efficiency, modern design, and flexibility with maximum robustness. IP protection classes up to IP69K and ambient temperatures from -40°C to +70°C. Product standards according to EN/IEC 60947-5-1, EN/IEC 60947-5-4, CSA C22.2 No 14, UL 508, EN/IEC 60947-1, JIS C 4520, with certifications according to DNV, GL, UL listed, RINA, BV, CSA, LROS (Lloyds register of shipping).