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Software Downloads


SEL USB Driver

This driver enables USB communication between Windows computers and SEL USB ports.

Installation Instructions

  1. Ensure USB device is not plugged in.
  2. Download and open R6.6.0.0.Driver.exe.
  3. Click Yes when prompted to Install SEL USB to UART Drivers.
  4. Click Next when finished with installation.
  5. Restart computer.
  6. Plug in the USB cable.
  7. Wait for the PC to finish the installation.
  8. To see new COM port assignment, open Device Manager and expand Ports.


Download this driver to communicate with USB ports on the following devices:

  • SEL-2440
  • SEL-3031
  • SEL-C662
  • SEL-C663
  • SEL-C667
  • SEL-3021
  • SEL-9192
  • SEL-T4287
For 32-bit and 64-bit Windows 8, Windows 7, Vista, and XP operating systems.

Size3.55 MB
Date Code20130215

Verifying SEL Software Downloads