StarTech USB Galvanic Isolator Up To 6KV Electrical Noise Isolator IP40 DIN Rail Mount Isolated Power Filter USB 2.0/1.1 5V/250mA Plug-and-Play TAA. StarTech USB Galvanic Isolator Up To 6KV Electrical Noise Isolator IP40 DIN Rail Mount Isolated Power Filter USB 2.0/1.1 5V/250mA Plug-and-Play TAA 5 V 8 kV 15 kV 6 kV 12 MB/s Black.