Mitsubishi 9900CX Series

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The 9900CX Series Uninterruptible Power Supply offers Mitsubishi Electric reliability at unprecedented load capabilities and in a fraction of the footprint.  It can handle the same load in 65% of the footprint, enabling 35% more space for revenue generation.

The 9900CX is the largest 480V static UPS in the industry. The 9900CX uses 350 kVA power modules mated to intelligent bypass modules. The bypass modules are available in 1400 kVA, 1500 kVA, 1750 kVA, and 2100 kVA, and are paired with up to six power modules.

  • Available in these sizes: 1.4, 1.5, 1.75, and 2.1 MVA
  • Proprietary Insulated Gate Bipolar Transistors produce extremely flat high efficiency curves
  • The modular design allows for planned capacity growth
  • Eliminates mechanical wear of rotary systems
  • Superior power control (5th Generation IGBT 3 level topology)
  • True online double conversion
  • Built-in N+1 redundancy
  • Up to 97% AC/AC efficiency
  • Front LCD touch color display panel
  • Capacity can be increased over time using original bypass module
  • 1.1:1 generator compatibility
  • 65 and 100 kAIC options
  • Multiple cable entry points
  • Energy Star Rated

Mitsubishi 9900CX Owner/Technical Manual provided by email request to or

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