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Liebert PSI 1500VA (1350W) 230V Rack/Tower UPS

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Liebert® PSI is a compact, line-interactive UPS system with flexible design, incorporating buck/boost automatic voltage regulation technology.


  • Liebert PSI is designed and packaged for flexibility and high availability
  • 0.9 output power factor for active power maximization
  • Up to 6 minutes backup time at full load, more than enough to grant orderly OS shutdown
  • User replaceable, hot-swap batteries for increased availability
  • Versatile rack-tower design which adapts to all types of installations
  • Rotatable LED display which adapts to both rack and tower mounting
  • Mounting hardware and shutdown software included in UPS package for increased ease of use
  • Three-Year replacement warranty 
  • Optional one year warranty extension.


  • Line Interactive design with sinewave output
  • Up to 9 battery-backed sockets
  • Extended battery options (XR version only)
  • USB and network communications
  • Advance early warning shutdown
  • Configurable input voltage window (220, 230, and 240V)
  • Data-line surge protection
  • Hot-swappable batteries
  • Cold-start on battery
  • Remote UPS monitoring through optional SNMP/Web Card
  • Fully RoHS compliant