Line Interactive UPS 800VA/720W 120V w/ Remote Management Capability

The Vertiv Liebert PSI5 uninterruptible power supply (UPS) is designed to protect and extend the life of your electronic devices in school, home and office. This 800VA UPS offers cost-effective protection from downtime and damage caused by power outages, brownouts, sags, surges or noise interference. Automatic Voltage Regulation (AVR) extends battery life. Increase your management capability with the network communications card providing remote monitoring and power management capability Local USB or SNMP via optional Vertiv Liebert UNITY communication card

Line Interactive UPS 800VA/720W 120V w/ Remote Management Capability - Click to enlarge

Price: $1,182.00
NOW: $834.35
Save: $347.65
Rack Units2U
Dimensions17.2 in W x 16.1 in D x 3.5 in H

For more information see:

PSI5 UPS Brochure (PDF)

Quick Installation Guide (PDF)

  • Reliable power protection for servers, routers, security systems and other networking equipment used in retail stores, healthcare facilities, government offices, bank branches and other distributed IT applications.
  • Advanced pure sine wave output, the Vertiv Liebert PSI5 UPS compensates for power fluctuations, protects against equipment damage, and prevents data loss during a power disturbance.
  • Easy Monitoring allows you to monitor output overload, low-battery, or replace-battery warnings with its LCD display capable of 90 degree rotation for easy to read data.
  • Excellent 2-year advanced replacement no hassle warranty with optional extensions for up to 5 years.

The PSI5-800RT120N UPS includes automatic voltage regulation (AVR) technology, which protects against utility voltage fluctuation, extends battery life by maximizing time on utility power, and provides premium protection from power disturbances. In battery mode, the PSI5 series delivers pure sine wave output to protect sensitive servers and networking equipment. With less than a 6 millisecond transfer time the PSI5-800RT120N provides exceptional response time for an outage.

Liebert PSI5-800RT120N Key Benefits:

  • POWER PROTECTION: The 1KVA UPS has AVR to correct power disturbances, outages, and inconsistencies.
  • LCD DISPLAY: Monitor run time, load capacity, battery status and input/output voltage and frequency in rack or tower configurations.
  • LOW TOTAL COST OF OWNERSHIP: Fewer/no battery replacements over the life of the UPS.
  • 2-YEAR ADVANCED REPLACEMENT WARRANTY: Vertiv backs this UPS with a 2-year advanced replacement warranty including battery.
  • MORE USABLE POWER: This single phase line interactive UPS has 0.9 output power factor.
  • PROGRAMMABLE OUTLETS: Get 6 total outlets with 3 programmable outlets to prioritize critical loads.
  • REMOTE MANAGEMENT READY: Integrated with IntelliSlot Unity Card (IS-UNITY-SNMP) to remotely monitor and manage devices.

The PSI5-800RT120N Package Includes:

  • PSI5-800RT120 UPS
  • USB Type A to USB Type B cable 1.8 meter (6ft) in length
  • Printed quick start guide with safety instructions
  • Safety and regulatory statements
  • Mounting Hardware
  • Floor stands for vertical orientation
  • IntelliSlot Unity Card

PSI5-800RT120N Specifications:

Width 17.2in. (438 mm.)
Depth 16.1 in. (410 mm.)
Height 3.5 in. (88 mm.)
Weight 28.4 lbs. (12.9 kg.)
Operating Temperature, F (C) 32 to 104 (0 to 40)
Storage Temperature, F (C) 5 to 120 (-15 to 50)
Operating / Storage Relative Humidity 20%-90%, non-condensing
Capacity VA/W 800 / 720
Nominal Voltage Setting 120VAC Default; 100/110/115/125VAC User Selectable
Frequency Range 55~65Hz (57~63Hz Battery to Normal Comeback)
Surge Protection ANSI C62.41, Category A, Level 3 1372J
Input Plug NEMA 5-15, 10ft (3m) Attached cord
Battery Waveform Pure Sine Wave
Transfer Time 4 - 6ms Typical
Battery Run Time*  
Full Load 5.5 minutes
Half Load 16 minutes
Audible Noise <45 dB
Non-Programmable Receptacles (3) NEMA 5-15R
Programmable Receptacles (3) NEMA 5-15R
EMI Classification FCC Part 15, Class B
Safety UL 1778, c-UL-us Listed
Network Surge UL 497 B
Transportation Transportation ISTA Procedure 1A Certification
Warranty 2 year standard warranty

* Battery run time may vary depending on load

Get informative runtime data for various load levels with Vertiv Runtime tool at

Find support for your Liebert PSI5-800RT120N at