Liebert PST4 UPS

discontinued product

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

Product Manuals

    Additional Models