Liebert PowerSure PSP Off-Line UPS, 350-650VA

Liebert PowerSure PSP off-line UPS provides one-on-one battery backup and power protection for PCs and other sensitive electronic equipment. This full-featured UPS also provides dataline protection. For maximum flexibility, a choice of communications options is available — USB, serial or contact closure.

Liebert PowerSure PSP is an off-line UPS available in 350VA, 500VA and 650VA sizes, 120V. Four outlets provide battery and surge protection, and two outlets provide surge protection. Data-Line protection is also provided. 

  • Off-line UPS
  • Offers four battery backed outlets and two surge protected outlets
  • Protects datalines
  • Provides automatic shutdown capabilities


  • Provides four battery-backed UPS outlets with space for transformer blocks, and two surge-only outlets.
  • Allows configurable input power selection.
  • Operates with a wider input voltage window.
  • Meets USB, MicroSoft Windows (XP and 2000) and Mac (OS X version 10.2 or later) certifications.
  • Enables USB, serial and contact closure communications.

Higher Availability

  • Provides greater than four minutes of battery backup at full load.
  • Ensures battery availability with full sequenced battery testing.
  • Allows fast and easy maintenance with user-replaceable hot-swappable batteries.
  • Notifies users with advance early warning shutdown.
  • Provides lightning and surge protection (TVSS).
  • Protects data lines against surges — telephone/fax/DSL/ modem.

Lowest Total Cost Of Ownership

  • Protects your investment with a standard two-year warranty, and optional extensions of one year or three years.

Ideally Suited for

  • Professional desktop PCs
  • Network workstations
  • SOHO office PCs
  • Point-of-sale terminals
  • Other sensitive electronics
Liebert MultiLink
Automated Shutdown Software

  • UPS monitoring software
  • Operates with single computers or large networks
  • Initiates shutdown when needed
  • Supports email, pagers, audio and on-screen notification
What's New?​

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