This Harmony XB7, monolithic black selector switch has 3 positions, operates with a spring-return-to-center mechanism and screw clamp terminals. 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 give your machine multiple different inputs. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP65, making it ideal for operation in harsh environments. It has a double insulated plastic bezel. Its wide range of operating temperatures from -25°C to 70°C allows versatility in usage of product.