The Power Experts

Liebert EXS

Liebert EXSThe Liebert EXS is an on-line, three-phase, 208/220V integrated UPS, with a compact footprint. Standard configurations offer a reliable and economical power solution in 10, 15 and 20kVA capacities. A proven on-line, double conversion, transformer-free design offers reliable performance and high availability. The integrated maintenance bypass ensures critical loads operate, even during service. The Liebert EXS utilizes an optimized tower design to deliver reliable power in an efficient, flexible and integrated platform.

The EXS is ideal for small data rooms, IT closets, servers and storage, branch, small-midsize IT systems, medical/lab testing equipment, VoIP, ISDN & frame relay applications, storage systems, and security systems.

Liebert EXS Benefits

  • Integrated solution supports faster deployments
  • Compact, high power density design offers a small footprint
  • Flexible UPS, power distribution and battery arrangements to meet capacity and runtime demands
  • Efficient operation saves energy
  • High power factor delivers more usable power
  • Easy to install
  • Integrated maintenance by-pass option ensures greater availability
  • Intelligent monitoring and management offers improved visibility and control

Liebert EXS Specifications

Models 10kVA 15 and 20 kVA
Input Voltage

208/120, 220/127VAC, 60Hz 3-phase, 4-wire plus ground

Frequency Range


Output Voltage

208/120, 220/127VAC, 60Hz 3-phase, 3- or 4-wire plus ground

Output Ports 1 2
Battery Specifications

Valve-regulated lead acid battery

W x D x H in
Std Run Time: 13×25.6×51.2
Ext. Run Time: 22.7×25.6×51.2
Unit Weight lbs. Std Runtime: 437-627
Ext Run Time: 893-1,093


Operating Temperature 32-122°F (0-50°C), with 2% per 1 deg C, derating required above 40°C 32-104°F (0-40°C)
Relative Humidity

0% to 95%

For more in-depth information, see the Liebert Data Sheet.

For more information on the Liebert EXS,
call 800-876-9373, or email