Liebert PSI5 800VA/720W, 120VAC, Rack-tower (psi5-800rt120)

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Usually ships the same or next business day. In stock at our CA, IL, TX warehouses.
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Stock Update:
04/16/2024 12:14:30 AM PST
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Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 or above and pay only $384.76 each 384.76
Stock Update:
04/16/2024 12:14:30 AM PST


This item is brand-new, factory sealed.

The Vertiv Liebert PSI5 UPS, 800VA 720W, is designed to support and safeguard media closets, small racks, active power factor correction (PFC) power supplies, conventional power supplies and other critical electronics. It provides reliable protection from power disturbances for smart automation systems, computers, high-end gaming PCs/consoles, entertainment centers, cash registers and other equipment that is part of schools, healthcare facilities and other edge businesses. With up to 11 minutes of battery backup time at half load and 3 minutes at full load, this reliable system allows ample time for an orderly shutdown during a power outage. A rotating LCD display makes the readout easy to see in both rack and tower configurations providing real time information regarding the UPS status and operating conditions. Vertiv backs the Liebert PSI5 UPS with a 2-year, no hassle, advanced replacement warranty to ensure simple UPS replacement.

Package Contents:
  • PSI5 800VA/720W, 120VAC, Rack-tower
  • USB Type A To USB Type B Cable, 1.8 Meter (6 ft) In Length
  • Printed Quick Start Guide With Safety Instructions
  • CD
  • Tower Support Stands


Package Contents:   
  • PSI5 800VA/720W, 120VAC, Rack-tower
  • USB Type A To USB Type B Cable, 1.8 Meter (6 ft) In Length
  • Printed Quick Start Guide With Safety Instructions
  • CD
  • Tower Support Stands


Certifications & Standards:   
  • UL 1778, c-UL-us Listed
  • FCC Part 15, Class B
  • UL 497 B
  • ISTA Procedure 1A Certification


TAA Compliant:   


Additional Information:   
  • Shipping Dimensions, W X D X H, in (mm): 10.2 x 22.9 x 21.7 (258 x 582 x 550)
  • Shipping Weight, lb (Kg): 32.2 (16.9)


Environmentally Friendly:   


Energy Star:   


Country of Origin:   



Power Description
Load Capacity (Watt)720 W
Input Frequency60 Hz
Surge Energy Rating1372 J
Input Voltage Range75 V AC - 146 V AC
Input Voltage120 V AC
Output Voltage
Load Capacity (VA)800 VA
Waveform TypePure Sine Wave
Physical Characteristics
Form FactorRack/Tower
Weight (Approximate)28.40 lb
Rack Height2U
Limited Warranty2 Year
Status IndicatorsLCD Display
Network (RJ-45)Yes
EPO PortYes
USB (HID Compliant) PortYes
Battery Information
Backup/Run Time (Full Load)3 Minute
Battery ChemistryLead Acid
Backup/Run Time With External Battery Cabinet (Full Load)2.57 Hour
Backup/Run Time With External Battery Cabinet (Half Load)5.83 Hour
Hot SwappableYes
Number of External Battery Cabinets6
Backup/Run Time (Half Load)11 Minute
Typical Battery Recharge Time4 Hour
Battery CharacteristicsValve-regulated
General Information
Brand NameLiebert
Manufacturer Website Address
Marketing InformationThe 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. Voltage regulation is from 75 to 146 VAC without using the battery. With advanced pure sine wave output, this line interactive UPS ensures availability of critical IT applications like network closets and small data centers. This battery backup allows orderly shutdown of critical equipment. It takes less than 6 milliseconds transfer time to battery. Add an optional Vertiv Liebert Unity communication card and remotely monitor up to 50 UPS systems with free Vertiv Trellis Power Insight Application. It has a 2-year Vertiv UPS warranty.
More from the Manufacturer
Product TypeLine-interactive UPS
Product NamePSI5 800VA/720W, 120VAC, Rack-tower
Manufacturer Part NumberPSI5-800RT120
Product SeriesPSI5
Technical Information
Receptacle TypeNEMA 5-15R
Receptacle Detail6 x NEMA 5-15R
PhaseSingle Phase
Plug/Connector TypeNEMA 5-15
Number of Battery & Surge Outlets6
Transfer Time6 ms
Environmental Conditions
Maximum Operating Temperature104°F (40°C)
Storage Temperature5°F (-15°C) - 122°F (50°C)

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Liebert PSI5 800VA/720W, 120VAC, Rack-tower (psi5-800rt120)