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Click to enlarge PSI5-1100MT120
PSI5-1100MT120  Vertiv ®  
Vertiv Liebert PSI5 UPS - 1100VA 990W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor - Plug-and-Play, Pure Sine Wave Output on Battery, 2 Programmable Outlets, With Option for Remote Monitoring and 5-year Total Coverage
Type: Line-interactive UPS
Condition: New Retail Box (Only available for shipment within the Continental United States)
MSRP: $716.00
Our Price: $494.17
Instant Rebate: $29.00
Rebate Expires: June 30, 2024
Savings: $250.83 (35%)
Final Price: $465.17
Quantity: of 265 available for Special Order  
Quantities greater than what is in stock will need to be back-ordered.
** This item is a SPECIAL ORDER item and does not include Express Technology's standard warranty and terms. Click here to review our complete Special Order Policy & Terms.
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Inventory updated on date: May 04, 2024 1:00:00 AM
Product Details for PSI5-1100MT120
PSI5-1100MT120: Vertiv Liebert PSI5 UPS - 1100VA 990W 120V Line Interactive AVR Mini Tower UPS, 0.9 Power Factor - Plug-and-Play, Pure Sine Wave Output on Battery, 2 Programmable Outlets, With Option for Remote Monitoring and 5-year Total Coverage
Technical Details
Application/Usage





Electronic DeviceHomeOfficeMission Critical EquipmentNetwork ClosetData CenterEducation
Battery Chemistry Lead Acid
Package Contents
  • PSI5-1100MT120 UPS
  • USB Cable
  • Safety Manual
  • Quick Installation Guide
Software Included Power Insight 2.2
Product Type Line-interactive UPS
Hot Swappable Yes
Input Voltage 120 V AC
Manufacturer Part Number PSI5-1100MT120
Manufacturer Website Address http://www.vertiv.com/
Marketing Information

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 1100VA UPS tower 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 and safeguards critical equipment. Voltage regulation is from 83 to 159 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 with optional extensions for up to 5 years total coverage.

More from the Manufacturer
Limited Warranty 2 Year
Output Voltage



100 V AC110 V AC115 V AC120 V AC125 V AC
Weight (Approximate) 26 lb
Dataline Protection
RJ-11RJ-45
Form Factor Tower
Manufacturer Vertiv
Product Model PSI
Product Name PSI5-1100MT120 UPS
Waveform Type Pure Sine Wave
Product Series PSI5
Brand Name Liebert
Plug/Connector Type NEMA 5-15P
Input Voltage Range 75 V AC - 146 V AC
Output Frequency 60 Hz
Country of Origin China
Height 8.7"
Width 5.7"
Depth 14.6"
Input Frequency 65 Hz
Phase Single Phase
Battery Size 12V
Receptacle Type NEMA 5-15R
Environmentally Friendly Yes
Battery Capacity 10000 mAh
Maximum Operating Temperature 104°F (40°C)
Network (RJ-45) Yes
Serial Port No
Number of Batteries 2
Backup/Run Time (Half Load) 14 Minute
Backup/Run Time (Full Load) 5 Minute
Battery Characteristics Valve-regulated, Non-spillable
Load Capacity (VA) 1100 VA
Load Capacity (Watt) 990 W
TAA Compliant No
Energy Star No
AVR Yes
DC System Voltage 12 V DC
EPO Port Yes
USB (HID Compliant) Port Yes
Maximum Operating Elevation 9842.52 ft
Operating Humidity 20% - 90%
Storage Relative Humidity 20% - 90%
Storage Temperature 5°F (-15°C) - 122°F (50°C)
Transfer Time 4 ms
Typical Battery Recharge Time 8 Hour
Receptacle Detail 5 x NEMA 5-15R
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Additional Information for PSI5-1100MT120
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