This Harmony 9001K black 30mm selector switch has 3 positions, and operates with return both sides to center mechanism. This selector switch provides an ergonomic interface for controlling your 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. 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 30mm cutout, ensuring compatibility when installed in pre-existing machinery. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product.