Startechcom 10 port industrial usb 30 hub esd and surge protection add ten usb 30 5gbps ports with this din rail or surface mountable metal hub provides maximum usb scalability with ten usb 30 type a ports protects your connected devices with 15kv esd protection and 350 watt surge protection offers flexible wide range 7 24v dc terminal block power input standard ac power adapter not supported or included ideal for harsh industrial environments with an extended operating temperature