PSA4-700MT120 | FrontView
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PSA4-700MT120 | FeatureInfographics
This product is discontinued.

The Liebert PSA4 is a line interactive UPS designed to provide reliable power protection for workstations, small network hubs, routers, wifi access points, and POS equipment.


  • 2 minutes back up at full load
  • 7 minutes back up at half load
  • 4 battery + surge protected outlets
  • 4 surge only protected outlets
  • Lightning and surge protection
  • RJ11/45 for data line surge protection
  • Coax cable surge protection
  • USB communication with included cable and shutdown software
  • Hot swappable user replaceable battery


  • Guaranteed protection of desktop computers, gaming consoles, workstations, networks/routers, surveillance & other electronics
  • Uses line-interactive, AVR technology (Automatic Voltage Regulation), which ensures consistent and clean power at all times
  • 3 year full unit coverage including the battery with no-hassle, advanced replacement manufacturer warranty

Specification Documentation