StarTech Industrial USB Hub ST4200USBM 

Mountable 4 Port Rugged hub

Brand new in original box

Info from StarTech's site:
  • Protects your connected devices with 8kV Air and 4kV Contact ESD protection
  • Mount industrial USB 2.0 hub where required with built-in mounting brackets or included DIN rails
  • Offers flexible, wide-range power inputs with a 7-24V DC terminal block
  • Adds four USB 2.0 ports from a single USB connection