USB-4761 - 8-ch Relay and 8-ch Isolated Digital Input USB Module - Advantech
Usb-4761-be Advantech 8-ch Relay And 8-ch Isolated Digital Input Usb Module - Tool Parts - AliExpress
USB-4761-BE by ADVANTECH - Buy or Repair at Radwell - Radwell.ca
Advantech - USB-4750-BE - USB IO, 16 Ch Digital In/Out, 2500 VDC ISO, USB 1.1/2.0 , adsb2, USB-4700 Series - Allied Electronics & Automation, part of RS Group
USB-4761-BE Advantech | Distributors, Price Comparison, and Datasheets | Octopart