Plastic illuminated selector switch with a front element and a mounting dimension of 30 mm, part of the Harmony XB5F series for flat installations. Customizable via the Harmony Online Configurator, with individual adjustments such as labeling, printing, and color schemes. The modular Harmony XB4F and XB5F series features a mounting dimension of 30 mm and combines easy installation, efficiency, modern design, and flexibility with maximum robustness. It offers IP protection ratings up to IP69K and operates in ambient temperatures ranging from -40 °C to +70 °C. The product standards include 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 from DNV, GL, UL, RINA, BV, CSA, and LROS.