Liebert PST4 UPS

The Liebert PST4 is an offline UPS designed to provide reliable power protection for desk top equipment home office computer and network, and home entertainment equipment.


  • Available in sizes of: 350, 500, 660, 850 VA; 120VAC
  • 3 or 4 battery + surge protected outlets, depending upon model
  • 3 or 4 surge only protected outlets, depending upon model
  • USB communication with included cable and shutdown software
  • Hot swappable user replaceable battery
  • Multiple mounting installation capabilities: desk top, floor, or wall mounting



  • 2 minutes back up at full load
  • Lightning and surge protection
  • RJ11/45 for data line surge protection
  • Coax cable surge protection on 660/850VA models onlyLow Total Cost of Ownership:
  • 3 year full unit coverage with our no-hassle, advanced replacement warranty
  • Optional 1 or 3 year extended warranty

Additional Models