Illuminated Coloured Heads for Ø22mm XB5 Selector Switches - Stay Put Harmony XB5 switches may be fitted with coloured Stay Put Selector Switch Heads. 2 position and 3 position heads are available, in red, green, blue, orange and white. 2 and 3 position switches available Approvals UL, CSA Standards IEC, JIS Schneider Electric ZB5-A (Harmony®) 22mm