Liebert eXL UPS, 625 - 1200kVA​/kW​


Liebert eXL UPS, 625 - 1200kVA​/kW​

True on-line, double conversion, three-phase UPS system is the right solution to support a maximum efficiency data center design. It provides high operating efficiency, high power capacity, and low PUE and TCO. Features a small footprint,  a large 10.4” control touch screen; and capacity-on-demand without additional footprint. Single module and 1+N Distributed Bypass systems available. 
Product Downloads
Technical Specifications
White Paper
​ ​​​ ​ ​ ​​​​​ ​​​​

The Liebert eXL™ On-Line UPS is the right solution for a maximum efficiency data center – with a design that enables high operating efficiency, high capacity, and intelligent operation. Designed to enable lower installation costs and optimized operating costs, the Liebert eXL UPS supports a low PUE and total cost of ownership.

The system is LIFE™ Services enabled, and seamlessly integrates with the Trellis™ platform.

800kVA/kW and 1200kVA/kW models available, scalable with capacity-on-demand technology for kW increases without additional footprint: 625/750/800kVA/kW, and 1000/1100/1200kVA/kW capacities. Single Module and 1+N Distributed Bypass systems available. Add matching battery cabinets for a complete power solution. Output voltage 480 VAC 3-phase, 3 wire.​

  • On-line UPS protection for medium and large facilities.
  • Transformer-free topology with up to 97% efficiency in double conversion mode.
  • 10.4” color HMI touch screen for easier use.
  • LIFE™ Services for remote monitoring and proactive service delivery.

Lowest Total Cost of Ownership

  • Up to 97% operating efficiency, lowers operating costs.
  • Capacity-on-demand with Softscale – conserve capital, and grow without additional footprint.
  • Lower costs for installation and deployment.
  • High capacity, with unity power factor – more usable power and best space utilization.
  • Eco-mode ready, giving you future options for industry-leading levels of efficiency


  • Configurations include Single Module, 1+N Distributed Bypass Multi-Module, Catcher Bus/Reserve Bus.
  • Optional matching battery cabinets, available with Albér® Battery Monitoring.
  • Compatible with the Trellis™ platform – allowing rich information, management and monitoring.
  • Integrates with a wide range of other popular monitoring tools.


  • Designed and tested to provide predictable performance during high fault current conditions.
  • Reliably starts a Power Distribution Unit (PDU) of equal rating.
  • Integrated control system and internal diagnostics allow enhanced visibility into operation and awareness of potential issues.
  • Circuit breakers as opposed to contactors increase reliability.
  • LIFE™ Services for remote monitoring enables our experts to track your UPS performance 24/7/365.

Ideally Suited For

  • Enterprise data centers
  • Colocation facilities
  • Upgrade replacement for legacy UPS systems
Contact Support

Local Liebert Representative
Contact your local Liebert NA Representative at your location.

Large Facilities UPS Products
Contact our support department about your Liebert large facility UPS system.

Sales, Service, and Support
Outside the US: +800-1155-4499

Liebert eXL UPS
Model Size
625, 750,
800 kVA / kW
1000, 1100,
1200 kVA / kW
Input AC Parameters

Rectifier Type

IGBT Active Rectifier

Input Voltage to Rectifier

VAC 480 3-phase, 3-wire

Input Voltage to Bypass

VAC 480 3-phase, 3-wire

Input Voltage Range

VAC +10%, -15% (-30% battery assist)

Input Frequency, Hz


Permissible Input
Frequency Range, Hz

55 to 65

Input Power Factor


Reflected input THDi
at nominal voltage at full load %


Power Walk-In, sec

1 to 30 (selectable) in 1 sec. increments

Battery & DC Parameters

Battery Type

VRLA (Valve Regulated Lead Acid)
or FLA (Flooded Lead Acid)

Nominal Battery Bus, VDC


Battery Float Voltage, VDC


DC Ripple Voltage in Float
and Const V Ch. mode, %

<1 (RMS value) < 3.4% Vpp

Temperature Compensated
Battery Charging

Standard (with temperature probe)

Output Parameters

Inverter Type

High Efficiency Transformer Free
IGBT PWM Controlled Inverter

Output Power, kVA/kW

625, 750,
800 kVA / kW

1000, 1100,
1200 kVA / kW

Load Power Factor Supported
(Without Derating)

0.7 Leading to 0.7 Lagging

Output Voltage

480 VAC 3-phase, 3-wire

Output Voltage Regulation

< 1% (3-phase RMS average)

Output Voltage Regulation
(50% Unb. Load)

< 2% (3-phase RMS average)

Output Frequency, Hz

60 Hz

Output Frequency Regulation, %

± 0.1%

Output THD at Nominal Voltage
(Linear Load), %


Output THD at nominal voltage Including a 100kVA Non Linear Load
per IEC 62040-3, %

<6% (max )

Efficiency AC-AC Double Conversion


Transient Recovery

IEC 62040-3, section 5.3.1 Figure 1

Voltage Displacement

120 deg +/- 1 deg (50% unbalanced load)

Unbalanced loads current capacity

50% of nominal phase current


110% for 10 minutes, 125% for 2 minutes,
150% for 15 seconds, 200% for 10cycles

Physical Characteristics Single-Module System

Width, Depth, Height in inches (mm)

125.2 in x 33.5 in
x 76.8 in
(3145 mm x 850 mm
x 1950 mm)

171.7 in x 33.5 in
x 76.8 in
(4330 mm x 850 mm
x 1950 mm)

Weight, unpackaged, lbs (kg)

5,735 lbs. (2,601 kg.)

8,050 lbs. (3,660 kg.)


Black, RAL 7021

Protection Class, UPS Enclosure

NEMA 1, IP 20
(with and without front door open)



UL 1778 4th Edition; CSA 22.2 107.3


ANSI C62.41 B3

Other certifications pending

Featured Resources
Download the Liebert eXL brochure

Lithium-ion Batteries

Learn about their use in the data center.

Is It Time to Modernize Your Data Center Power Infrastructure?
Power infrastructure installed before 2008 may be impacting efficiency, utilization and performance.
See the Infographic
Achieving Maximum Efficiency Through Intelligent UPS Design