Vertiv Liebert PSI5-1500MT120LI UPS

The Liebert PSI5 Lithium-ion line-interactive UPSs are perfectly suited to defend critical infrastructure in edge or distributed IT applications. The life expectancy of lithium-ion batteries is two to three times that of VRLA batteries – up to 10 years.

Liebert PSI5-1500MT120LI Features

  • 0.9 Output Power Factor delivers more usable power, saving space and costs
  • 2U Rack/Tower form factor, 1500VA Mini Tower and 1500-3000VA 2U Rack/Tower models available
  • Plug and play installation
  • Up to seven battery-backed outlets
  • Programmable outlets
  • Hot-swappable, user-replaceable batteries
  • Wide input voltage window to prolong battery life
  • Advance early warning of UPS system status issues
  • USB communications for UPS status monitoring and management
  • SNMP support
  • Optional Liebert® IntelliSlot™ IS-UNITY communications card for remote monitoring and control
  • Remote emergency shut down capability via EPO port
Vertiv Liebert PSI5-1500MT120LI UPS - Click to enlarge

Price: $1,604.00
NOW: $1,132.24
Save: $471.76

Height 8.7 in. (220 mm.)
Width 6.3 in. (158 mm.)
Depth 15.6 in. (397 mm.)
Weight 27.9 lbs. (12.7 kg)
Color Black
Operating Environment 32° to 104° (0° to 40°)
Operating Relative Humidity 20% – 90%, non-condensing
Operating Elevation 0 to 9,942 (0 to 3,000) without derating.
Operating temperature reduced 9°F (5 °C) for each additional 1,640ft (500m) of altitude
Storage Temperature 5° to 120° (-15° to 50°)
Audible Noise < 45 dB @ line mode, < 55 dB @ battery mode
Input/Output AC Parameters  
Input Plug NEMA 5-15P (90deg type)
Input Cord 6ft (1.8m) Atttached
Non-Programmable Receptacles (3) NEMA 5-15R
Programmable Receptacles (3) NEMA 5-15R
Nominal Voltage Setting 120VAC Default; 100/110/115/125VAC User Selectable
Voltage Range Without Battery Operation 75 - 146VAC
Frequency Range 55~65Hz (57~63Hz Battery to Normal Comeback)
Surge Protection ANSI C62.41, Category A, Level 3
Transfer Time 4 - 6ms Typical
Battery Waveform Pure Sine Wave
Normal (Line) Mode 97.1%
Battery Parameters  
Type Lithium-Ion (LiFePO4)
Recharge Time (from full discharge) 1.7hrs to 90%
1.9hrs to 100%
Full-Load Runtime 7.5min
Half-Load Runtime 17.7min
Safety UL 1642 (LiFe cells), UL 1973 (LiFe pack), UL 1778, CSA 22.2 no. 107.3
Agency UL 1778, c-UL, NOM, FCC Part 15, Class B
Surge Immunity EN61000-4-5; Line to Neutral: Level 2; Line to Earth: Level 3
Environmental RoHS2 / REACH / WEEE
Network Surge ANSI C62.41, Category A, Level 3
Transportation ISTA Procedure 2A
UN 38.3 (Lithium-ion)
Protection Plan  
Warranty 5 years on UPS and Battery
Equipment Protection Plan $400,000

Liebert PSI5-1500MT120LI Resources

User Guide

Data Sheet