XB5/ZB5 22mm push buttons are for industrial applications. XB5/ZB5 operators have plastic bezels that connect to a plastic mounting collar. This normally closed contact is monted on a plastic mounting collar. Contacts have UL A600, UL Q300, IEC AC15 and IEC DC13 contact ratings. Contacts have spring clamp terminals. Contact block assembly is 1.65 inches tall, 1.18 inches wide and 1.26 inches deep. Selector switch weighs 0.05 lbs. Contact block assembly is UL Listed and CSA certified. "It is ideal for food and beverages, chemical industry, paper mill and marine applications. It is also suitable for the service sector and infrastructure applications." "It meets JIS C8201-5-1, EN/IEC 60947-5-1, CSA C22.2 No 14, EN/IEC 60947-1, EN/IEC 60947-5-5, EN/IEC 60947-5-4, UL 508 and JIS C8201-1 standards." "It is installed into a 22mm panel cutout." "Harmony delivers an innovative and ergonomic design that improves the reliability of panels, machines and processes." "The modular range of 22mm metal control and signaling units combines simplicity of installation, modern standard and flush mounted design."