Plastic sign holder compatible with the Harmony 30mm XB4F and XB5F series for flat installation. Custom designed with the Harmony online configurator. Customizations are possible, such as labeling, printing, and color designs. The modular Harmony XB4F and XB5F series with 30 mm installation dimensions combines easy installation, efficiency, modern design, and flexibility with maximum robustness. IP protection ratings 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, certifications according to DNV, GL, UL listed, RINA, BV, CSA, LROS.