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Vertiv Liebert

Vertiv Liebert PSI5-1100MT120N 1100VA Mini-Tower Model

$1,361.00
$927.95 SAVE $433.05
1 availableas of 10/20/2026

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Should arrive by Fri, Oct 30 with free ground shipping

Compliance and certifications

  • ENERGY STAR
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

Liebert® PSI5 is a compact, Automatic Voltage Regulation (AVR) line-interactive UPS system designed especially for IT applications such as network closets and small data centers.

The Liebert PSI5 UPS supports advanced pure sine wave output on battery to safeguard critical IT equipment and business electronics. It also provides reliable power protection for servers, critical nodes, network workstations, large network peripherals, network routers, bridges, and other electronic equipment. With 3 different form-factors available, the Liebert PSI5 has been designed to ensure power continuity for a wide array of applicaitons

Technical specifications

General Information

Manufacturer Vertiv
Manufacturer Part Number PSI5-1100MT120N
Manufacturer Website Address http://www.vertiv.com/
Brand Name Vertiv Liebert
Product Series PSI5
Product Model PSI5-1100MT120N
Product Name PSI5-1100MT120N 1100VA Mini-Tower Model
Product Type Line-interactive UPS

Technical Information

AVR Yes
Receptacle Type NEMA 5-15R
Receptacle Detail 3 x NEMA 5-15R2 x NEMA 5-15R
Number of Battery & Surge Outlets 5
Number of Surge-only Outlets 0
Number of Critical Load Outlets 5
Number of Load Management Outlets 2
Dataline Protection RJ-45
Overload Protection Yes
Cord Length 6 ft
Transfer Time 13 ms
Application / Usage ITElectronic EquipmentMedia ClosetIT EquipmentPOSNetwork BridgeStorageSafetyBusinessData CenterLarge Network PeripheralMission Critical EquipmentNetwork ClosetNetwork RouterNetwork WorkstationSecurity SystemServerVoIP
Surge Suppression Yes
Features Self TestAudible/Visual Alarm

Power Description

Load Capacity (VA) 1100 VA
Load Capacity (Watt) 990 W
Input Voltage 120 V AC
Input Voltage Range 0 V AC - 150 V AC
Output Voltage 120 V AC110 V AC100 V AC125 V AC115 V AC
Input Frequency 63 Hz65 Hz57 Hz55 Hz
Output Frequency 60 Hz
Waveform Type Pure Sine Wave
Circuit Breaker Yes
Output Power Factor 0.9

Management

Network Management Network CardIntelligent Card SlotSNMP/Webcard

Interfaces/Ports

Network (RJ-45) Yes
USB Yes
EPO Port Yes
Expansion Slot Detail IntelliSlot Port

Battery Information

Number of Batteries 2
Battery Characteristics Valve-regulated
Battery Chemistry Lead Acid
Battery Size 12V
Battery Capacity 10000 mAh
Typical Battery Recharge Time 8 Hour
Hot Swappable Yes
Replaceable Battery Yes

Environmental Conditions

Minimum Operating Temperature 32°F (0°C)
Maximum Operating Temperature 104°F (40°C)
Storage Temperature -5°F (-20.6°C) - 122°F (50°C)
Maximum Operating Elevation 9842.52 ft

Physical Characteristics

Height 8.70"
Width 5.70"
Depth 14.80"
Form Factor Mini-towerCompact
Weight (Approximate) 26 lb

Miscellaneous

Package Contents
  • PSI5-1100MT120N 1100VA Mini-Tower Model
  • USB Type A to USB Type B cable 1.8 meter (6ft) in length
  • Printed quick start guide with safety instructions
  • Vertiv Power Insight Management software (free download from Vertiv.com)
  • Vertiv Liebert RDU120 Network Card
Certifications & Standards
  • ANSI C62.41, Category A, Level 3 1372 J
  • UL 1778
  • c-UL-us Listed
  • FCC Part 15, Class B
  • UL 497 B
  • ISTA Procedure 1A Certification
Software Included Vertiv Power Insight Management software
Energy Star Yes

Warranty

Limited Warranty 2 Year
Directly Connected Equipment Guarantee $400000

Ratings and reviews

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Accessories

VERTIV Power Assurance Package - 5 Year - Service

MFG Part # PAPPSI-1K3KRLFPart # 1-1989726

24 x 7 - On-site - Installation and Startup - Parts & Labor - Electronic and Physical Service

DELIVERED ELECTRONICALLY
$5,340.00 $1,483.02 SAVE $1,570.59

VERTIV Power Assurance Package - 5 Year - Service

MFG Part # PAPPSI-1K3KLFPart # 1-1989714

24 x 7 - On-site - Installation and Startup - Parts & Labor - Electronic and Physical Service

DELIVERED ELECTRONICALLY
$3,889.00 $1,139.04 SAVE $1,130.04

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 $593.64

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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.

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