Liebert NX On-Line UPS, 10-30kVA


Liebert NX On-Line UPS, 10-30kVA

Emerson Network Power > Products > AC Power and UPS > Network UPS > Liebert NX On-Line UPS, 10-30kVA
Liebert NX is a mid-sized, three-phase uninterruptible power supply (UPS) system that delivers complete, centralized data center power protection. Designed to meet the high availability power needs of a wide variety of IT applications and equipment, the UPS combines compact size, advanced operating features and low cost of ownership.

The 120/208-Volt, three-phase version of the Liebert NX is available in four sizes including 10kVA, 15kVA, 20kVA and 30kVA capacities.

  • On-line UPS with dual bus compatibility
  • Allows paralleling for capacity or redundancy
  • Offers highest output power quality, with low THD
  • Operates with high energy efficiency


  • Power communications available through a Relay Contact Card, OpenComm Web Card and MultiLink shutdown software.
  • Ultra-quiet performance with noise levels below 54dB allows greater latitude in where to place the unit.
  • Large and user-friendly LCD display provides operating information in twelve languages.
  • Up to three Liebert NX modules can be paralleled and a fourth added for redundancy without using a centralized controller or centralized static switch.
  • For safe and convenient servicing of the UPS, the unit includes a built-in maintenance bypass. Optional wrap-around maintenance bypass is also available.
  • Easy servicing due to front accessibility of critical components, self-diagnostics and various monitoring options.

Higher Availability

  • True on-line double conversion technology corrects all types of power fluctuations.
  • Advanced inverter control technology provides the highest output power quality.
  • Redundant power supply cords, redundant cooling fans and highly efficient cooling of critical components.
  • Minimized transfer to battery, reducing the number of charging and discharging cycles, due to the wider input voltage window of +10 to -20% and a frequency tolerance of 40Hz to 72Hz.
  • Compatibility with dual bus synchronization system enables you to transfer the load to an alternate power source for maintenance activities.
  • High overload protection handles 125% for 10 minutes, 150% for one minute and a 1000% overload for 10 milliseconds.
  • An intelligent battery management algorithm monitors the battery to detect any premature battery failure.

Lowest Total Cost Of Ownership

  • Temperature-compensated battery charging extends battery life.
  • Highest possible input power factor for maximum efficiency.
  • Adjustable power walk-in from 5 seconds to 30 seconds, along with reduced input current distortion and power factor correction, also enables you to save money by reducing back-up generator sizing requirements.
  • The unit's compact footprint requires less floor space, leaving you with more room for other equipment.

Ideally Suited For

  • Server rooms and mid-sized data centers
  • Network components including critical routers and switches
  • Networks (LAN and WAN)
  • Industrial process and motion automation for mid-sized plants
  • Medical diagnostic/imaging equipment

Besides providing backup when the electricity goes out, does the Liebert NX take care of all power problems?

Yes. It utilizes true on-line double conversion technology that corrects all types of power fluctuations.
How reliable is the Liebert NX?

The Liebert NX features built-in reliability with a redundant auxiliary power supply board and redundant cooling fans.

Is it more expensive to operate than several UPS systems?

The Liebert NX actually offers a lower total cost of ownership than many smaller UPS units. Longer battery life and scheduled maintenance ensure proper system operation and prevent the costs of downtime.

What if the batteries suddenly fail and the equipment is without protection?

The Liebert NX utilizes an intelligent battery management system that monitors the battery to detect any premature battery failure.

What if the UPS fails — will all my systems go down?

The Liebert NX features a built-in automatic bypass that allows the unit to provide power even if a component fails.

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