Plastic illuminated push button with a front element and an installation size of 22 mm, part of the Harmony XB5 series. Customizable via the Harmony Online Configurator, with options for personalizations such as labeling, printing, and color designs. The modular Harmony XB4 and XB5 series offers 22 mm installation sizes and combines easy installation, efficiency, modern design, and flexibility with maximum robustness. They feature IP protection ratings of up to IP69K and can operate 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 listed, RINA, BV, and CSA.