Working with our Vertiv Sales team enables complex designs to be configured to your unique needs. If you are an organization seeking technical guidance on a large project, Vertiv can provide the support you require.

Learn More

Many customers work with a Vertiv reseller partner to buy Vertiv products for their IT applications. Partners have extensive training and experience, and are uniquely positioned to specify, sell and support entire IT and infrastructure solutions with Vertiv products.

Find a Reseller

Already know what you need? Want the convenience of online purchase and shipping? Certain categories of Vertiv products can be purchased through an online reseller.


Find a Reseller

Need help choosing a product? Speak with a highly qualified Vertiv Specialist who will help guide you to the solution that is right for you.



Contact a Vertiv Specialist

Product Family

Vertiv™ Liebert® EXL S1 UPS, 300-1250 kW

Liebert® EXL S1 delivers secure power while providing first class load protection and maximum energy saving for medium-large data centers and mission critical applications. The latest high efficiency Dynamic Online mode enables operating efficiency up to 99% without sacrificing availability. Liebert EXL S1 Dynamic Grid Support feature can provide frequency regulation by controlling the input power to support services such as frequency regulation-up, regulation-down, or both via charging and discharging of the battery.

Get Brochure
Best Suited For:
  • Banking, Financial and Insurance
  • Data Center/Colocation/Hosting
  • Healthcare
  • Transportation
Warranty: This product is approved by the ETL (Energy Technology List)

Liebert® EXL S1 is a monolithic product that features a transformer-free design with a full IGBT three-level topology, providing extraordinary features including a double conversion efficiency of up to 97% plus intelligent paralleling to optimize efficiency at partial load, thus achieving superior running cost savings. Dynamic Online mode enables operating efficiency up to 99% without sacrificing availability. Furthermore, its higher power density in a minimum footprint optimizes the availability of IT space and reduces related costs. This product is approved by the ETL (Energy Technology List) for UK customers. Under the Enhanced Capital Allowance (ECA) scheme, ETL listed products can claim back 100% first year capital allowance.

Benefits

Extraordinary double conversion efficiency up to 97%
Dynamic Online mode for highest availability and up to 99% efficiency
Intelligent ECO mode efficiency above 99%
Intelligent paralleling feature optimizes efficiency at partial load
Maximized active power at unity power factor
Compact footprint for optimum space utilization
 Under the Enhanced Capital Allowance (ECA) scheme, ETL listed products can claim back 100% first year capital allowance 

Features

Transformer-free design
Full IGBT three-level NPC2 topology
Excellent input performances:
- PF > 0.99
- THDi < 3%
 Automatic output power upgrade of up to +10%
Output PF up to 1 
Three and four wire electrical compatibility
Parallel up to 8 units
Centralized and distributed parallel capabilities
Intelligent paralleling
Seismic compliance 
VertivTM LIFE TM Services native 

*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.

Find Your Area Contact

Products Support Contacts

Showing contacts for Ohio, 43215, 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
Partner Login

Language & Location