Flush Reset Pushbutton XB4 Metal Range Flush Reset Pushbutton Harmony XB4 Range Chromium plated metal Bezel Zamak collar Unmarked Standards CSA C22-2 No 14, EN/IEC 60947-1, EN/IEC 60947-5-1, EN/IEC 60947-5-4, EN/IEC 60947-5-5, JIS C 4520, UL 508,IP66 conforming to IEC 60529, Class I conforming to IEC 60536 Standards CSA C22-2 No 14, EN/IEC 60947-1, EN/IEC 60947-5-1, EN/IEC 60947-5-4, EN/IEC 60947-5-5, JIS C 4520, UL 508,IP66 conforming to IEC 60529, Class I conforming to IEC 60536 Schneider Electric ZB4-B & XB4-B Harmony® 22mm Range