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Liebert

Liebert PSI5 1100VA/990W, 120VAC, Rack-tower

$1,091.00
$741.89 SAVE $349.11
72 availableas of 09/16/2026

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Should arrive by Wed, Sep 30 with free ground shipping

Compliance, certifications and origin

  • ENERGY STAR
  • RoHS
  • Origin: China
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

View user manual
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 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 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.
More from the manufacturer

Technical specifications

General Information

Manufacturer Vertiv
Manufacturer Part Number PSI5-1100RT120
Manufacturer Website Address http://www.vertiv.com/
Brand Name Vertiv Liebert
Product Series PSI5
Product Name PSI5 1100VA/990W, 120VAC, Rack-tower
Product Type Line-interactive UPS

Technical Information

AVR Yes
Plug / Connector Type NEMA 5-15
Receptacle Type NEMA 5-15R
Receptacle Detail 6 x NEMA 5-15R
Number of Battery & Surge Outlets 6
Transfer Time 6 ms
Phase Single Phase
Application / Usage ServerNetwork ClosetSecurity SystemNetwork WorkstationLarge Network PeripheralStorage DeviceVoIPMultimedia Terminal AdapterPOS TerminalIT SystemBusinessCritical SystemNetwork BridgeElectronic Device

Power Description

Load Capacity (VA) 1100 VA
Load Capacity (Watt) 990 W
Input Voltage 120 V AC
Input Voltage Range 75 V AC - 146 V AC
Output Voltage 100 V AC110 V AC115 V AC120 V AC125 V AC
Waveform Type Pure Sine Wave

Controls/Indicators

Status Indicators LCD Display

Interfaces/Ports

Network (RJ-45) Yes

Battery Information

Backup / Run Time (Full Load) 2 Minute
Backup / Run Time (Half Load) 10 Minute
Typical Battery Recharge Time 4 Hour
Hot Swappable Yes

Physical Characteristics

Height 3.50"
Width 17.20"
Depth 16.10"
Rack Height 2U
Form Factor Rack/Tower

Miscellaneous

Package Contents
  • PSI5 1100VA/990W, 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
Energy Star Yes
Green Compliant Yes
Country of Origin China
TAA Compliant No
Environmental Compliance Restriction of Hazardous Substances (RoHS)

Warranty

Limited Warranty 2 Year

Ratings and reviews

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Accessories

Liebert Service/Support - 2 Year

MFG Part # SUPSI-1K3KRMVPart # 2-11194458

24 x 7 - On-site - Technical - Labor - Physical Service

DELIVERED ELECTRONICALLY
$2,356.00 $991.62 SAVE $692.94

Liebert Service/Support - 2 Year

MFG Part # SUPSI-1K3KPart # 2-11194473

24 x 7 - On-site - Technical - Labor - Physical Service

DELIVERED ELECTRONICALLY
$2,043.00 $859.32 SAVE $608.02

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.