Vertiv Liebert PSI5 Li-Ion Range (750VA - 5kVA)

Product Description

The Liebert® PSI5 Li-Ion UPS from Specialist Power 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

The flexible design of the Liebert® PSI5 allows the UPS to be tower (MT models), 1U rack mountable (1U models), or to be configured as a self-standing tower or to be rack-mounted within a 2U space (RT models).

It is available from 750VA to 5000VA.

The Liebert PSI5 UPS features an innovative advanced line-interactive design incorporating buck/boost Automatic Voltage Regulation (AVR) technology.

This protects against utility voltage fluctuation by raising and lowering utility power to the level needed by the connected equipment. It also allows the UPS to prolong battery life by maximizing its time on utility power before going to battery. With high efficiency and 0.9 power factor operation, the Liebert PSI5 will meet your critical application needs

Specialist Power Systems are an approved sales partner to Vertiv in the UK with expert technical knowledge. Call us on 01234 851155 to discuss your requirements and how we can help you find the right product and support.

Product Specification

Capacity (VA / kVA)

750VA - 5kVA

Form Factor

Rack or Tower



Warranty Length

5 Years

Battery Type


5 years
Range of Vertiv Liebert PSI5 Li-ion UPS from Specialist Power
Front of Vertiv Liebert PSI5 Li-ion UPS from Specialist Power

Optional Accessories

Here at Specialist Power Systems we offer a wide range of manufacturer specific accessories from a UPS Network Card through to an External Maintenance Bypass Switch. Please get in touch so we can ensure you get exactly what you need to stay protected.

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For more information, please call us on +44 (0) 1234 851155 or send us a message below.