Empty plastic housing with one hole from the Harmony XALK series. Compatible with the 22mm plastic Harmony XB5 series. Customized with the Harmony online configurator. Individual adaptations are possible, such as labeling, printing, and coloring. The modular Harmony XB5 series with 22mm installation dimensions combines 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.