Xtreme R91 Series UPS


Availability: In stock

SKU: R91-20K Category: Product Condition: Refurbished


Xtreme Power R91 provides industry leading power density and efficiency.

Continuous online double conversion or ECO mode can be user selected.

The R91 programmable battery charger and advanced rectifier power walk-in features help optimize compatibility with numerous source types and ratings.

The R91 UPS is available in many custom configurations including parallel tie with up to 4 modules, 480V input, maintenance bypass, and output distribution.



Xtreme R91 Online UPS

Three-phase Online 20kVA
415/240VAC, 400/230VAC, 380/220VAC

Reduce power consumption with 94% online efficiency

18kW of efficient and reliable power in just 5U of rack space


  • Voltage can be configured for 415/240V, 400/230V, or 380/220V
  • Programmable Rectifier power walk-in
  • High output power factor of 0.9
  • Parallel for capacity or redundancy up to 4 modules
  • 50Hz or 60Hz operation
  • Online double conversion or ECO mode operation
  • 99% efficiency in single module systems in ECO mode



Accessories for the Xtreme R91 Series

Warranty: 2 years electronics, 2 years battery

Technical Support

Email Us or Call Us: 800-582-4524, ext 2




Xtreme-R91-flyer.pdfXtreme R91 Flyer.pdf

Xtreme-R91-Users-Manual.pdfXtreme R91 Users Manual.pdf

Weight 92.00 lbs
Dimensions 22 × 29 × 15 in
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