CE Marked, EN/IEC 60947-1, EN/IEC 60947-5-1, EN/IEC 60947-5-4, JIS C 4520. UL, CSA. XAL Pushbutton Enclosures for Harmony® 5, 22mm Switches. The Harmony XAL series from Schneider are an empty enclosure designed for use with XB5 plastic push buttons, pilot lights, selector switches, mushroom head operators, legend plates and accessories. For normal environments, CSA approved and UL Listed Polycarbonate housing Light grey base with either a dark grey or yellow lid Stainless steel lid mounting screws