This Harmony XB4 illuminated modular green selector switch has 3 positions, operates with a stay-put mechanism, a 24V AC universal LED. It has a metal bezel. This illuminated selector switch provides a versatile and highly visible interface for controlling your machines. It is easily installed into standard 22mm diameter cut-outs and connected to your control circuits with simple screw-clamp connections. 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 IP66 / IP67 / IP69 / IP69K, making it ideal for operation in harsh environments.