Pushbutton made of plastic as a front element with a 22 mm installation dimension, part of the Harmony XB5 series. The actuation function features a detent. Customization is available through the Harmony online configurator, allowing for individual adaptations such as labeling, printing, and color schemes. The modular Harmony XB4 and XB5 series with 22 mm installation dimensions combine simple installation, efficiency, modern design, and flexibility with maximum robustness. It offers IP protection classes up to IP69K and operates in ambient temperatures ranging from -40°C to +70°C. 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 listed, RINA, BV, CSA, and LROS (Lloyds Register of Shipping).