Brainboxes DIN Rail Mountable Industrial Hardened Ethernet Switches – Brainboxes SW-705, This 5 port unmanaged hardened Ethernet switch from Brainboxes has a dual input redundant power supply with wide voltage range which means it can be powered from USB or on the 24V factory floor. It is ideal for industrial use, particularly in vehicle and marine applications. Brainboxes SW-705 Industrial Hardened Ethernet 5 Port Switch DIN Rail Mountable