Liebert PSI5 Line-Interactive UPS, 1440VA/1350W, Hot Swappable, Pure Sine Wave, Rack-mountable 1U, 5 NEMA Outlets, AVR Protection, Network Closet & Data Center - PSI5-1500RM1201U (2 Year Warranty)

Front angled view of Liebert PSI5-1500RM1201U 1U rack-mount UPS showing sleek black chassis design-alternate-image1
Front view of Liebert PSI5 UPS showing LCD display panel and control interface-alternate-image2
Side view of Liebert PSI5 UPS showing slim 1U profile design-alternate-image3
Rear view of Liebert PSI5 UPS showing output receptacles and connectivity ports-alternate-image4
Close-up view of Liebert PSI5 UPS LCD display panel showing system metrics-alternate-image5
Runtime chart showing Liebert PSI5 UPS load capacity and backup duration specifications-alternate-image6

Liebert PSI5 Line-Interactive UPS, 1440VA/1350W, Hot Swappable, Pure Sine Wave, Rack-mountable 1U, 5 NEMA Outlets, AVR Protection, Network Closet & Data Center - PSI5-1500RM1201U (2 Year Warranty)

Liebert PSI5-1500RM1201U

$897.49 $1,369.49 Save $472
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Availability: In stock , ready to be shipped .
  • Free Shipping
  • 2 Year Warranty
  • 30 Day Returns
  • Carbon Neutral

Load Capacity:

  • 3000VA/2700W
  • 1000VA/1000W
  • 2200VA/1920W
  • 500VA/500W
  • 750VA/750W
  • 1500VA/1350W
  • 2000VA/1800W
  • 3000VA/3000W
  • 5000VA/5000W
  • 6000VA/6000W
  • 8000VA/8000W
  • 4900VA/4900W
  • 5000VA/4900W
  • 750VA/675W
  • 1100VA/990W
  • 1000VA/900W

Form Factor:

  • Rack/Tower
  • Tower
  • Rack-mountable

Product Key Features

  • ⚡ 1440VA/1350W capacity with pure sine wave output
  • 🔌 5 x NEMA 5-15R outlets for device connection
  • ⚙️ Automatic Voltage Regulation (AVR) with 75-146V AC range
  • ⏱️ Ultra-fast 4ms transfer time
  • 🔋 Hot-swappable batteries with 14-min backup at half load
  • 🖥️ USB port with Power Insight 2.2 software included
  • 📊 Remote monitoring capability for up to 50 UPS systems
  • 🛡️ 2-year warranty with optional 5-year extension
  • 🌡️ Operating temperature up to 104°F (40°C)
  • 📐 1U rack-mountable design with compact form factor
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Liebert

PSI5-1500RM1201U

Liebert PSI5-1500RM1201U: Professional-Grade 1440VA/1350W Rack-Mountable UPS System

The Vertiv Liebert PSI5-1500RM1201U is a high-performance 1U rack-mountable UPS system delivering 1440VA/1350W of reliable power protection. This line-interactive UPS features pure sine wave output and Automatic Voltage Regulation (AVR), making it ideal for network closets, small data centers, and mission-critical equipment protection.

Advanced Power Protection Features

Experience superior power management with voltage regulation ranging from 75V AC to 146V AC without battery engagement. The pure sine wave output ensures clean, stable power delivery, while the impressive 4ms transfer time provides seamless switching during power events. With 5 NEMA 5-15R receptacles, this UPS efficiently distributes power to multiple devices.

Intelligent Battery Management

Equipped with six hot-swappable 6V valve-regulated lead-acid batteries, this UPS provides 5 minutes of backup at full load and 14 minutes at half load. The 9000mAh battery capacity ensures reliable power backup, with a typical recharge time of 6 hours for full recovery.

Key Features:
  • 1440VA/1350W power capacity with pure sine wave output
  • Automatic Voltage Regulation (AVR) technology
  • 5 NEMA 5-15R outlets for multiple device connection
  • Hot-swappable batteries with 9000mAh capacity
  • USB connectivity with Power Insight 2.2 software support

Versatile Connectivity and Management

The PSI5-1500RM1201U features USB (HID Compliant) connectivity and Emergency Power Off (EPO) port for enhanced control. The included Power Insight 2.2 software enables comprehensive power monitoring and management. Add an optional Vertiv Liebert Unity communication card to monitor up to 50 UPS systems through the Vertiv Trellis Power Insight Application.

Environmental Specifications and Compliance

Designed for reliability across diverse environments, this UPS operates efficiently in temperatures up to 104°F (40°C) and altitudes up to 9,842.52 ft. The unit maintains optimal performance in 20-90% operating humidity ranges and meets REACH and RoHS environmental certifications.

Package Contents and Physical Specifications

Package Includes:
  • PSI5-1500RM1201U UPS
  • Rack Mount Ears
  • USB Cable
  • Safety Manual
  • Quick Installation Guide

This 1U rack-mountable unit measures 17.2" width x 22.4" depth x 1.7" height and weighs 45.60 lb. Backed by a 2-year warranty with optional extensions up to 5 years, the Liebert PSI5-1500RM1201U delivers professional-grade power protection for your critical infrastructure.

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.


Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

Front angled view of Liebert PSI5-1500RM1201U 1U rack-mount UPS showing sleek black chassis design

Streamlined 1U Rack Design for Space-Efficient Power Protection

The Liebert PSI5 UPS features a compact 1U rack-mount design that maximizes valuable rack space while delivering robust power protection. Its sleek black chassis integrates seamlessly into modern server racks, providing 1440VA/1350W of backup power capacity in a minimal footprint. The thoughtful engineering enables easy installation and maintenance in space-constrained network closets and data centers.

Technical Specifications

  • 1U rack height optimizes vertical rack space utilization
  • 1440VA/1350W power capacity in compact form factor
  • Tool-less rail kit mounting for quick deployment

Applications

  • Network closet power protection with minimal rack space impact
  • Small data center UPS deployment in standard 19-inch racks
  • Edge computing installations requiring reliable backup power
Front view of Liebert PSI5 UPS showing LCD display panel and control interface

Intelligent Display Interface for Real-Time Power Monitoring

The front panel LCD display provides critical power status information at a glance. Users can easily monitor load levels, battery capacity, and operating conditions through the intuitive interface. The control buttons enable quick access to system settings and configurations, while status indicators provide clear visual cues of UPS operation modes.

Technical Specifications

  • Multi-function LCD display for system monitoring
  • Intuitive button controls for easy navigation
  • Real-time status indicators for operational modes

Applications

  • Active monitoring of power conditions and load levels
  • Quick access to UPS settings and configurations
  • Visual verification of system status and alerts
Side view of Liebert PSI5 UPS showing slim 1U profile design

Low-Profile Protection for Critical Infrastructure

With its slim 1U profile, the PSI5 UPS delivers enterprise-grade power protection without compromising rack density. The unit's efficient thermal design ensures reliable operation in demanding environments while maintaining a minimal vertical footprint. This makes it ideal for protecting mission-critical equipment in space-constrained installations.

Technical Specifications

  • 22.4-inch depth fits standard rack depths
  • Efficient ventilation design for thermal management
  • Robust chassis construction for durability

Applications

  • High-density rack environments requiring minimal space
  • Protection for network switches and servers
  • Edge computing infrastructure backup power
Rear view of Liebert PSI5 UPS showing output receptacles and connectivity ports

Comprehensive Connectivity Options for Advanced Management

The rear panel provides extensive connectivity options including multiple NEMA 5-15R outlets, USB communication port, and EPO connection. The integrated fan ensures optimal cooling, while the cable management features maintain organized power distribution. Optional network card support enables remote monitoring capabilities.

Technical Specifications

  • 5 NEMA 5-15R output receptacles
  • USB interface for local management
  • Optional SNMP card slot for remote monitoring

Applications

  • Distributed power protection for multiple devices
  • Integration with building management systems
  • Remote monitoring through network infrastructure
Close-up view of Liebert PSI5 UPS LCD display panel showing system metrics

Advanced Interface for Precision Power Management

The detailed LCD interface provides comprehensive power metrics and system status information. Users can access critical parameters including load levels, battery status, and input/output voltage readings. The intuitive controls enable easy navigation through settings and configuration options for optimal UPS operation.

Technical Specifications

  • High-resolution LCD screen for clear visibility
  • Multi-parameter monitoring capability
  • User-friendly navigation controls

Applications

  • Real-time monitoring of power conditions
  • System configuration and parameter adjustment
  • Preventive maintenance scheduling
Runtime chart showing Liebert PSI5 UPS load capacity and backup duration specifications

Scalable Runtime Performance for Various Load Scenarios

The detailed load capacity chart demonstrates the PSI5's flexible runtime capabilities across different power demands. From full load protection of critical equipment to extended backup for essential systems, the UPS delivers reliable power protection scaled to your needs. This predictable performance enables precise planning for power continuity strategies.

Technical Specifications

  • Up to 111 minutes runtime at 10% load
  • 18 minutes runtime at 50% load
  • 6 minutes runtime at full 1500VA capacity

Applications

  • Critical load protection during power events
  • Extended runtime for essential equipment
  • Graduated power protection based on device priority
FAQ
The Liebert PSI5-1500RM1201U UPS has a load capacity of 1500VA/1350W. This line-interactive UPS provides sufficient power to protect critical equipment in network closets and small data centers. It operates with a pure sine wave output and can handle input voltages ranging from 75V AC to 146V AC.
The UPS features 6 valve-regulated, non-spillable lead-acid batteries (6V each) with 9000 mAh capacity. It provides 5 minutes of backup time at full load and 14 minutes at half load. The typical battery recharge time is 6 hours. Importantly, the batteries are hot-swappable, allowing for easy replacement without powering down connected equipment.
This is a 1U rack-mountable UPS with dimensions of 1.7" height x 17.2" width x 22.4" depth. It weighs approximately 45.60 lbs. The package includes rack mount ears for easy installation in standard 19" server racks. The compact 1U form factor makes it ideal for installations where space is at a premium.
The UPS provides comprehensive power protection including Automatic Voltage Regulation (AVR) that handles voltage fluctuations from 83 to 159 VAC without using battery power. It offers protection against power outages, brownouts, sags, surges, and noise interference. The pure sine wave output ensures clean power delivery, and the transfer time to battery is less than 6 milliseconds.
The UPS comes with a USB (HID Compliant) port and an EPO (Emergency Power Off) port. While it doesn't have built-in network or serial ports, it can be upgraded with an optional Vertiv Liebert Unity communication card for remote monitoring. The unit includes Power Insight 2.2 software and can be monitored through the free Vertiv Trellis Power Insight Application.
The UPS features 5 NEMA 5-15R output receptacles for connecting protected equipment. It uses a NEMA 5-15P input plug type and can provide various output voltages including 100V AC, 110V AC, 115V AC, 120V AC, and 125V AC at 60 Hz frequency with pure sine wave output.
The UPS can operate in temperatures up to 104°F (40°C) and at elevations up to 9,842.52 feet. It functions in relative humidity ranges of 20% to 90%. For storage, the temperature range is 5°F (-15°C) to 122°F (50°C) with the same humidity range of 20% to 90%.
The Liebert PSI5-1500RM1201U comes with a 2-year standard warranty from Vertiv. This warranty can be optionally extended for up to 5 years total coverage. The package includes a safety manual and quick installation guide for support, and the unit is compatible with Vertiv's monitoring software for additional management capabilities.

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