Rock. On.


Vertiv™ Liebert® PSI5 single phase UPS provides the ultimate in power protection when you need it most. Keep on Rocking.

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Keep ‘em On

Designed for servers and networking equipment, the Liebert PSI5 UPS is ideal for your IT application.



  • Scalable Runtime - Add up to 7 external battery cabinets to achieve the desired runtime.
  • Industry-leading 0.9 output power factor means more real watts to support the load.
  • Programmable Outlets - Extend runtime to critical loads by cycling power.
  • Pure Sine Wave - protect your equipment and prevent data loss during a power disturbance.
  • Safeguard equipment from a range of utility power fluctuations without battery operation with Automatic Voltage Regulation (AVR).

Get ‘em On




  • Flexible 2U rack/tower convertible design.


  • Rotatable LCD display for real-time conditions and alarms.


  • Why wait to Rack? The Vertiv Liebert PSI5 is immediately available and ships within days.


Add ‘em On

Easily integrates with a full range of IT infrastructure.


Rock your
boss‘s world



Enjoy 2-year standard warranty.
Optional Power Assurance Package.


View Package

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