Plastic pushbutton switch with a front element and a mounting dimension of 22 mm, part of the Harmony XB5 series. Customizable via the Harmony Online Configurator, with individual options such as labeling, printing, and color schemes. The modular Harmony XB4 and XB5 series features mounting dimensions of 22 mm and combines easy installation, efficiency, modern design, and flexibility with maximum robustness. They offer IP protection ratings of up to IP69K and can operate in ambient temperatures ranging from -40 °C to +70 °C. The product meets standards such as 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.