The Industrial 4-Port Gigabit Ethernet PoE++ Switch with 2 SFP Ports from Intellinet Network Solutions was designed to give you the network connections and device power you need in places that are less than calm or temperate. With a rugged IP40-rated metal case, the switch operates reliably and quietly, even in extreme temperatures that range from -20 - 75°C (-4 - 167°F). In combination with its DIN-rail mounting option and two safe, redundant DC power inputs and plenty of other safety features, this switch is ideal for IoT applications in Industry 4.0 and more.