Front view of Vertiv Liebert PSI5 1500VA UPS showing LCD display and ventilated housing design-alternate-image1

Close-up front view of Vertiv PSI5 UPS showing control panel and cooling vents-alternate-image2

Rear panel view of Vertiv PSI5 UPS showing power outlets and connectivity ports-alternate-image3

Complete installation kit for Vertiv PSI5 UPS including mounting hardware and cables-alternate-image4

PSI5-1500MT120LI

$1,124.85 $1,604.00

Vertiv Liebert PSI5 1500VA Line-Interactive UPS, Lithium-Ion Battery, Pure Sine Wave, Hot Swappable, 1350W, 6 NEMA Outlets, AVR, LCD Display, 18-Min Runtime - PSI5-1500MT120LI (5 Year Warranty)

Name: Vertiv Liebert PSI5 1500VA Line-Interactive UPS, Lithium-Ion Battery, Pure Sine Wave, Hot Swappable, 1350W, 6 NEMA Outlets, AVR, LCD Display, 18-Min Runtime - PSI5-1500MT120LI (5 Year Warranty)
Brand: Liebert
SKU: PSI5-1500MT120LI
Price: 1124.85 USD
Availability: InStock

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Form Factor:

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Rack/Tower See available options
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Limited warranty: 5 Year

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Manufacturer Brochure PDF Document

Key Features

⚡ 1500VA/1350W capacity with pure sine wave output
🔋 10-year Lithium-Ion battery life - 2x longer than traditional VRLA
⏱️ 18 minutes runtime at half load, 8 minutes at full load
🔄 Automatic Voltage Regulation (AVR) technology
🔌 6 x NEMA 5-15R outlets with surge protection
🌐 RJ-45/RJ-11 network protection
📱 LCD display with rotating capability
🔄 4ms transfer time
🔋 Hot-swappable batteries with 1.9-hour recharge time
📦 5-year advanced replacement warranty

Vertiv Liebert PSI5 1500VA ...

$1,124.85 $1,604.00

Complete installation kit for Vertiv PSI5 UPS including mounting hardware and cables

Complete Installation Kit for Maximum Flexibility

The comprehensive installation package includes everything needed for immediate deployment. The kit features mounting brackets, rails, and hardware for both tower and rack configurations, along with power and communication cables. The lithium-ion battery technology offers superior longevity and reliability compared to traditional lead-acid solutions, backed by detailed documentation for proper setup and operation.

Technical Specifications

Universal mounting kit for rack/tower installation
Included power and USB cables
Complete documentation package

Applications

New data center deployment
IT infrastructure upgrades
Rack integration projects

Product details

General Information

Manufacturer

Vertiv

Manufacturer Part Number

PSI5-1500MT120LI

Brand Name

Liebert

Product Series

PSI5

Product Name

PSI5 1500 Lithium-Ion UPS

Product Condition

New

Product Type

Line-interactive UPS

Technical Information

AVR

Yes

Plug/Connector Type

NEMA 5-15P

Receptacle Type

NEMA 5-15R

Receptacle Detail

6 x NEMA 5-15R

Dataline Protection

RJ-11/RJ-45

Emergency Power OFF

Yes

Cord Length

10 ft

Transfer Time

4 ms

EMI/RFI Noise Filter

Yes

Phase

Single Phase

Application/Usage

Mission Critical Equipment
Network Equipment
Server

Power Description

Load Capacity

1500 VA/1350 W

Waveform Type

Pure Sine Wave

Circuit Breaker

Yes

Controls/Indicators

Status Indicators

LCD Display

Interfaces/Ports

Serial Port

No

VGA

No

Modem (RJ-11)

Yes

Network (RJ-45)

Yes

EPO Port

Yes

USB (HID Compliant) Port

Yes

Battery Information

Battery Chemistry

Lithium Ion (Li-Ion)

Backup/Run Time (Full Load)

8 Minute

Backup/Run Time (Half Load)

18 Minute

Battery Life

10 Year

Typical Battery Recharge Time

1.90 Hour

Hot Swappable

Yes

Environmental Conditions

Maximum Operating Temperature

104°F (40°C)

Physical Characteristics

Product Color

Black

Height

8.7

Width

6.3

Depth

15.6

Form Factor

Tower

Weight (Approximate)

28.30 lb

Miscellaneous

Package Contents

PSI5 1500 Lithium-Ion UPS
Rack Mount Kit And Hardware
USB Cable
Safety Manual
Quick Installation Guide

Additional Information

Energy Rating Surge Energy Rating: ANSI C62.41 Category A, Level 3
Audible Alarms: Yes

Certifications & Standards

UL 1778, 5th Ed.
CSA 22.2
FCC Part 15 Class B
FCC, UL, c-UL, NOM
ANSI C62.41 Category A, Level 3
ISTA 2A

Software Included

Free Download - Power Insight 2.2

Energy Star

No

Environmentally Friendly

Yes

Environmental Certification

REACH
RoHS
WEEE

Country of Origin

China

TAA Compliant

No

Warranty

Limited Warranty

5 Year

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FAQs

What is the power capacity and runtime of the Vertiv PSI5-1500MT120LI UPS?

The Vertiv PSI5-1500MT120LI UPS has a capacity of 1500VA/1350W and provides impressive runtime capabilities. At half load, it delivers up to 18 minutes of backup power, while at full load it maintains 8 minutes of runtime. This line-interactive UPS provides pure sine wave output, making it ideal for sensitive equipment like servers and network devices.

What type of battery technology does this UPS use and what are its advantages?

This UPS uses Lithium-Ion (Li-Ion) battery technology, which offers significant advantages over traditional VRLA batteries. It features an exceptional 10-year battery life, which is more than double that of conventional UPS batteries. The battery is hot-swappable and requires only 1.9 hours for a typical recharge. Additionally, the Li-Ion technology, combined with AVR (Automatic Voltage Regulation), helps extend overall battery life and provides superior protection against power disturbances.

What are the connectivity options available on the Vertiv PSI5-1500MT120LI?

The UPS offers multiple connectivity options including a USB (HID Compliant) port, RJ-11 modem protection, RJ-45 network protection, and an Emergency Power Off (EPO) port. It supports remote management and environmental monitoring with additional communication cards and sensors. The unit also comes with free Power Insight 2.2 software for enhanced management capabilities.

What are the physical specifications and installation options for this UPS?

The Vertiv PSI5-1500MT120LI features a mini tower form factor with dimensions of 8.7" height, 6.3" width, and 15.6" depth, weighing approximately 28.30 lbs. It comes in black and includes a rotating LCD display that accommodates both tower and rack mounting configurations. The package includes a rack mount kit and hardware for flexible installation options.

What protection features does this UPS provide?

This UPS offers comprehensive protection including EMI/RFI noise filtering, automatic voltage regulation (AVR), circuit breaker protection, and dataline protection for RJ-11/RJ-45 connections. It provides pure sine wave output on battery power and meets ANSI C62.41 Category A, Level 3 surge protection standards. The unit also features a 4ms transfer time to ensure continuous power to connected equipment.

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Specification	Vertiv Liebert PSI5 1500VA Line-Interactive UPS...	Vertiv Liebert PSI5 Line-Interactive UPS, 1440V...
Price	$1,124.85	$656.85
Manufacturer	Vertiv	Vertiv
Number of Battery & Surge Outlets	N/A	N/A
Transfer Time	4 ms	4 ms
Load Capacity	1500 VA/1350 W	1500 VA/1350 W
Backup/Run Time (Full Load)	8 Minute	6 Minute
Form Factor	Tower	Tower
Limited Warranty	5 Year	2 Year