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Product Description

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Models Power Rating Input Voltage Output Voltage Height (in / mm) Width (in / mm) Depth (in / mm) Weight (lbs / kgs)
PS3000RT3-120W 3000VA / 2700W 120V 120V 3.5 / 88 17.3 / 440 25.9 / 657 84 / 38
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Operating Temperature: Up to 40C
Listings: UL 1778, cUL, FCC Class A, ISTA 1A
Topology: Line Interactive

The UPS features an innovative line-interactive design incorporating buck/boost automatic voltage regulation technology. This protects against utility voltage fluctuation by raising and lowering utility power to the level needed by the connected equipment. It also allows the UPS to prolong battery life by maximizing its time on utility power before going to battery.



  • Line Interactive design with sinewave output
  • Up to 7 battery-backed receptacles
  • USB communications
  • Remote UPS monitoring with included SNMP/Web Card
  • Advance early warning shutdown
  • Minimum five minutes of battery backup time
  • Configurable input voltage window (110, 120, 127V)
  • Data-line surge protection
  • Hot-swappable batteries
  • Cold-start on battery
  • Fully RoHS compliant 


  • Liebert PSI is designed and packaged for flexibility and high availability
  • 0.9 output power factor for power maximization
  • Up to 5 minutes backup time at full load
  • 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 

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