ZB4BK15337 is a Harmony XB4, illuminated selector switch head for integral LED with standard handle has 3 positions, operates with spring return to center mechanism. This illuminated selector switch head for integral LED provides an ergonomic interface for controlling user's machines. It is supplied with standard handle and can easily be installed on compatible selector switch units. It provides a clear help in setting your machines in various operating modes, even in darker control rooms, and with a clear visual feedback. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP69K. It has a metal bezel, this makes it Ideal for applications requiring high impact and vibration resistance. It is designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery. Complies with IEC 60947-1, IEC 60947-5-4, IEC 60947-5-1, UL 508, IEC 60947-5-5, CSA C22.2 No 14, JIS C8201-5-1, JIS C8201-1.