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Liebert NX (40-200kVA)

Liebert NX uninterruptible power supply (UPS) with Softscale technology is a true on-line, double conversion, three-phase UPS system that provides a scalable solution to optimize data center power design. Uninterruptible power can grow from 40 to 60 to 80kVA, from 80 to 100 to 120kVA, and from 160 to 200kVA. The UPS may also be paralleled for additional data center infrastructure capacity or for redundant operation.


  • Provides an economical path for growth, with Softscale technology.
  • Allows paralleling of unlike capacities for capacity or redundancy.
  • Offers a large and user-friendly LCD display with operating information in twelve languages.
  • Includes a built-in automatic bypass to transfer the load in case of fault.

Higher Availability

  • True on-line, double conversion technology corrects for all types of power fluctuations.
  • Provides the highest output power quality, with advanced inverter control technology.
  • Provides dual bus synchronization of two UPS units when feeding independent distribution paths.

Lowest Total Cost Of Ownership

  • Optimizes efficiency using soft-switching technology.
  • Extends battery life with temperature-compensated battery charging.
  • DSP control provides highest possible input power factor for maximum efficiency.

Ideally Suited For

  • Small to mid-size data centers
  • Server rooms
  • Production
  • Labs and testing
  • Telecommunications
  • Process control
  • Point of sale
Product Literature
Liebert Power Systems Test Center; Sales Brochure; (R11/10) (SL-11298)
Liebert NX 10-30 and 40-200kVA; Sales Brochure; 50/60Hz (R05/10) (SL-25200)
Liebert NX UPS Power Solution for Small and Medium Data Centers; Product Brochure; (R03/09); (VR-01449)
Liebert Power Products Family; Brochure; 50/60Hz (R06/11) (SL-70100)
Liebert Pre-Engineered Solutions; Catalog; 50/60Hz (R11/07) (SL-11345)
OptimizeIT® Integrated Solutions; 50/60Hz (R07/08); SL-11347
Liebert NX Battery Interface Box; Product Specification/Install Sheet; (R05/10, Rev. 0); (SL-25417)
Liebert NX, 40-200kVA, 480V; User Manual; 60 Hz (R08/09) (SL-25217)
Liebert NX 40-200kVA; Site Planning Data; 50/60Hz (R08/10); SL-25218
Liebert NX BDC; Guide spec; (R09/09); (SL-25249)
Liebert NX UPS; 40-200kVA Scalable; Guide Spec; 60z (R08/10), SL-25219