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 options for labeling, printing, and color designs. The modular Harmony XB4F and XB5F series offers a mounting dimension of 30 mm and combines easy installation, efficiency, modern design, and flexibility with maximum robustness. It provides IP protection ratings up to IP69K and operates in ambient temperatures 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, and JIS C 4520, with certifications from DNV, GL, UL, RINA, BV, CSA, and LROS.