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Product Family

Liebert EXS 10-80kVA

Compact design and improved performances. The new Liebert® EXS is a monolithic transformer-free UPS which brings exceptional features for mission-critical applications. Its extraordinary double conversion efficiency up to 96.2% ensures remarkable operational cost savings, reducing both the Total Cost of Ownership (TCO) and the environmental impact.

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Best Suited For:
  • Banking, Financial and Insurance
  • Data Center/Colocation/Hosting
  • Education
  • Government
  • Healthcare
  • Retail and Wholesale
  • Telecom
Tools & Selectors
Select, compare, or configure UPS systems and models
UPS Selector
Interactive product selector for single-phase UPS
UPS/Battery Upgrade Services
Explore options to maintain Liebert® GXT & Liebert® PSI UPS
Liebert® EXL S1 360 Interactive Experience
Visualize and explore key features and benefits of the Liebert® EXL S1 UPS


Single and three phase output configurations up to 60kVA
Integrated parallel capability up to 4 units
Common or distributed battery bank
Internal and external battery configurations for optimized back up time management
Casters for easy UPS repositioning
Output Configuration
Liebert EXS models up to 20 kVA can be configured on-site to deliver three (3/3) or single (3/1) phase output giving it the flexibility to adapt to changes in installation environments.
Integrated Autonomy
Liebert EXS provides an optimized integrated autonomy which results in back up times in a compact footprint. Its internal architecture is able to house up to four battery strings, further optimizing integrated autonomy and delivering the added advantage of virtually eliminating the need for an external battery cabinet.
This reduces installation costs and minimizes the demand on physical space. Liebert EXS' powerful battery charger ensures rapid recharge, increasing its ability to manage longer back up times.
Full Galvanic Isolation
The transformer may be connected to the input or to the output of the UPS providing:
Full galvanic isolation for medical and other critical applications
Installation with two independent input sources (with different neutrals)
Installation in distribution without neutral
Parallel Ready
Liebert EXS can be connected with up to four units in parallel. A single unit can be upgraded to parallel operation via easy to modify software settings, allowing the system to be customized for the requested configuration. 


Output power factor up to 1
Double conversion efficiency up to 96.2%
ECO mode efficiency up to 99.3%
Compact footprint with multiple internal runtime configurations
Available in 3/3 and 3/1 versions (10-20kVA)
Integrated maintenance bypass
Integrated input and output breakers/switches
Parallel capability for capacity and redundancy 
Lithium-ion battery compatible

*To see model-specific downloads, you will need to go to the model-specific product page by selecting the model name in the specifications chart above.

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Products Support Contacts

Showing contacts for Virginia, 20149, USA Change
Vertiv (Liebert Services)
+1 800 543 2378
610 Executive Campus Drive Westerville Ohio 43082 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment
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