Specifications

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Liebert PSI And Liebert PSI-XR Line-Interactive UPS: 
750-3000VA, 1-phase
Rack-mounted servers are at the 
heart of today’s network computing 
systems. These critical components 
need reliable, compact power 
protection that will keep pace with 
their growing needs. 
Protection That Fits  
In Anywhere
From line-interactive units to 
true on-line models, Liebert 
rack-mount UPS systems are 
designed for reliability and 
space-saving flexibility. No one 
packs more power capacity and 
features into a smaller package.
Liebert Has Rack-Mount 
UPS Solutions For:
PCs.
Network Workstations.
Servers and Critical Nodes. 
Network Routers, Bridges  
and Hubs.
Large Network Peripherals.
Network Closets.
VoIP.
Storage Systems.
Point-of-Sale Terminals.
Test Equipment. 
Other Sensitive Electronics.
Other Standard Features Of Liebert PSI  
And Liebert PSI-XR: 
Seven to eight battery-backed outlets.
0.9 Output Power Factor.
Rotatable display panel.
Automatic frequency sensing.
Wider input voltage window.
RJ-45 Data line surge protection.
Advance early warning of UPS system status.
Hot swappable batteries.
Up to five minutes of battery backup time  
at full load when utility fails.
External battery cabinet available for  
Liebert PSI-XR models.
Site wiring fault indicator.
USB communications, serial and contact closure 
communication option.
Remote emergency power off.
Rack rail kit included.
Two-year warranty.
Liebert PSI-W and Liebert PSI-XRW web-enabled models 
ship with IS-WEBRT3 card installed, for fast deployment.
Designed for the IT environment, 
Liebert PSI UPS and the Liebert 
PSI-XR extended battery model 
are slim 2U sized rack/tower style, 
line-interactive UPS systems. 
They offer configurable input 
voltage windows allowing the 
customer to precisely match 
their input voltage. A choice of 
communications options includes 
serial, contact closure and USB. 
Available in 750, 1000, 1500, 
2200, and 3000 VA in 120 and 
230VAC models.
Proven high-level performance and reliability for server and network power protection.
Rack-Mounted 
Power Solutions 
For Growing IT 
Networks
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