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Liebert NX UPS, 225-600kVA/kW

Liebert NX UPS, 225-600kVA/kW

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The Liebert® NX™ UPS provides high efficiency in both Eco-mode and double conversion mode, higher availability with hot-rectifier operation, and flexibility with SoftScale capacity upgrades. This power protection solution offers a dynamic response, avoids potential battery damage while procuring fast seamless transitions, and still delivers significant energy savings.


  • Up to 95% efficiency in double conversion mode and 98% in Intelligent Eco-Mode™ operation
  • Softscale™ modularity allows capacity growth without increasing footprint
  • Continuous-duty static switch standard
  • Optional dual bus synchronization of multiple UPS units when feeding independent distribution paths.
  • Parallel up to 6 systems for capacity or redundancy.
  • LIFE Services for remote monitoring and proactive service dellivery
  • ENERGY STAR® qualified


  • Active IGBT Rectifier reduces size requirements for generator sets, circuit protection, cabling and transformers, minimizing installation and operation costs.
  • Optimizes battery life with temperature-compensated battery charging in both double conversion and Intelligent Eco-Mode.
  • Supports a full range of leading and lagging power factor loads without derating.
  • Unity input and output power factor ratings deliver more real power for your money.
  • True on-line, double conversion technology corrects for all types of power fluctuations.
  • Provides the highest output power quality, with advanced inverter control technology.
  • Softscale technology conserves capital while providing an economical expansion path with minimal disruption.
  • Simple 1+N paralleling provides low initial cost and additional levels of redundancy.
  • High power density and small footprint deliver more kilowatts per square foot for efficient space utilization.
  • Automatically adapts to dynamically changing load power factors (leading and lagging) without derating, modification or recalibration.and is more robust and reliable than a momentary static switch design.
  • Higher overload capacity results in more robust operation.

Specification Documentation