Schneider Electric XB5AD33N This Harmony XB5, modular black selector switch has 3 positions, operates with a stay-put mechanism and uses screw clamp terminals. This selector switch provides a versatile 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 an effective manner to set your machine in various operating modes. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP69, making it ideal for operation in harsh environments. Its plastic bezel makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation. We are dedicatedly involved in providing an excellent quality products at Electrihub.