USB isolators


B&B Electronics’ new one-port Ulinx UHR401 and two-port Ulinx UHR402 USB isolators are designed to isolate and protect connected equipment from surges, spikes and electrostatic discharges carried on USB cable. The isolators also protect themselves by virtue of their tough construction.  Unlike consumer-grade USB hubs, Ulinx hubs are built to withstand industrial networking hazards like shock, drop, vibration, electromagnetic interference (EMI) and temperature extremes.  They are equipped with high retention ports that hold USB cables firmly in place to eliminate data loss, and in extreme cases, the risk for fire caused by loose cables and arcing.   Applications would include industrial control and manufacturing, remote sensing and remote metering, instrumentation, point-of-sale, test and measurement, laboratory information systems (LIMS) and medical applications requiring 60601-1 certification. 

Key features include: 

  • Temperature range of -40 to 80°C   
  • Level 4 ESD protection (15 kV air, 8 kV contact) 
  • 4 kV isolation between upstream and downstream USB ports 
  • Downstream ports provide full 500 mA power to connected devices 
  • High retention ports require 3.2 lbs of force to dislodge a cable
  • The included external power supply has US, EU, and UK blades    


  • isolate and protect connected equipment
  • withstand industrial networking hazards
  • 4 kV isolation

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