4-Port USB Full Speed Isolated Hub (USB cable included)

_x000D_ The UHR304 is an industrial-grade, four-port isolated USB hub. It is designed and tested to meet heavy industrial EMC standards and is UL listed for Class1/Division2 hazardous locations allowing operation where standard office-grade hubs fail – such as near variable frequency drives, motor control centers, welding and other large electrical loads._x000D_ _x000D_ 4 kV isolation between the upstream and downstream USB ports protects expensive equipment from dangerous ground loops and helps ensure data integrity. _x000D_ _x000D_ _x000D_ High retention USB connectors hold standard USB cables tight and are perfect for high vibration applications - requiring up to 3.2 lbs-force to disconnect them. USB cable included._x000D_ _x000D_ Powered from an external 10 to 30 VDC source. Two power connectors are provided – terminal block or threaded/lockable barrel plug. Each downstream port provides up to 500 mA of power to connected USB devices.