Uninterruptible Power Supplies (UPS)

Liebert NX UPS, 225-600kVA/kW

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.

Best Suited For
  • Banking, Financial and Insurance
  • Data Center/Colocation/Hosting
  • Education
  • Government
  • Healthcare
  • Retail and Wholesale
One Year Limited Warranty Against Defects in Material and Workmanship
How to buy


The scalable Liebert NX UPS is a transformer-free, high efficiency, on-line UPS. The UPS operates with unity power factor, providing more real power for data center equipment. Liebert NX allows Softscale™ capacity upgrades without increasing footprint — 225 to 250 to 300kVA; or 400 to 500 to 600kVA 480V, 60 Hz models. Compatible with Lithium Ion battery systems.


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. 

Services & Support


Remote Services LIFE™ Services
Preventive Maintenance Liebert UPS Preventive Maintenance

Frequently Asked Questions
Is this UPS configurable?
Yes, the UPS is fully configurable at time of order.
Does this UPS work with lithium ion batteries?
Yes, it works with all manufacturers of lithium ion batteries sold by Vertiv.
Does this UPS come with a communications card?
Yes, we provide a standard LIFE Services card or you may choose an optional Unity dual simultaneous protocol card.
Does this UPS offer Eco-mode?
Yes, it offers Vertiv's unique Eco-mode which maintains battery charging and inverter readiness.
Can I change display and alarm values or does a service technician have to do it?
Yes, our control panel allows for user adjustments.


Sales In USA Change Location
Vertiv (Capital Office)
44611 Guilford Dr Ste 180 Ashburn Virginia 20147 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment, Monitoring
Vertiv (Virginia Office)
1011 Technology Park Drive Glen Allen Virginia 23059 USA
Product areas of focus: Uninterruptible Power Supplies (UPS), Power Distribution, Thermal Management, Integrated Solutions, Racks and Containment, Monitoring
Support In Change Location
Vertiv (Liebert Services)
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


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