Liebert Super 400D


Liebert Super 400D

Facility-Wide Power Protection

Liebert Super 400D units are a true online sinewave UPS system that provide the users with clean computer grade power for continuous operation of critical loads, regardless disturbances on the upstream AC power. The systems offermaximum reliability and flexibility at the low operating costs.

Top 4 Applications of Liebert Super 400D are:

  • Facility-wide networks
  • Medical equipment
  • Industrial processes
  • Large computer rooms
  • Super 400D 


  • 10, 20kVA models
  • Full Digital Signal Processing using the latest DSP technology
  • Parellel operation for redundancy
  • Unity Input Power Factor
  • Compatible with Engine Generators
  • Handles 3:1 Crest Factor Loads
  • Intelligent Battrey Management
  • LCD Display and Mimic Panel for Real-time information
  • Output Isolation between UPS and Critical Load
  • Temperature compensated Battery charging to enhance the Battery Life
  • Battery test facility
  • Reverse Phase sequence operation
  • Auto retransfer facility
  • DSP and Dual microprocessor based system
  • Wide Input Voltage Range
  • Low Input Current Harmonic Distortion of less than 5%
  • High Overload and Short-Circuit Capacities
  • High Reliability for Maximum System Availability
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