NXTi Three-Phase Online UPS Tower

NXTi models are discontinued. Stock is available, but in limited quantities



An energy efficient, three-phase tower UPS for small data center applications.

The NXTi tower UPS delivers reliable power in one of the smallest footprint units. This UPS is the perfect choice for corporate, communication systems, and IT industrial applications.

Product Snapshot

  • Available models: 20kVA
  • Built-in maintenance bypass
  • Internal or external battery models available
  • 98% efficiency in ECO mode saves utility power
  • Online double conversion operation or ECO mode
  • Parallel up to 3 systems for capacity or N+1 redundancy




INPUT Capacity20kVA (16kW)
Voltage380/400/415VAC line to line (220/230/240VAC line to neutral)
Power factor0.99
Harmonic distortion< 8% THD non-linear load
OUTPUTRated voltage380/400/415VAC line to line (220/230/240VAC line to neutral)
Frequency50/60Hz ± 4Hz
Crest factor3:1
Overload capacity110% for 10 min; 130% for 1 min; >130% for 1 sec
Efficiency98% ECO mode (>90% online mode)
BATTERYBattery quantity and type(40) 12V 9AHNo internal batteries
Charger amps2A4A
PHYSICAL Input/outputHardwired
UPS dimensions (W x D x H)250 x 815 x 826 mm (9.8 x 32.0 x 32.5 in)250 x 592 x 826 mm (9.8 x 23.3 x 32.5 in)
UPS weight164 kg (362 lbs)40 kg (88 lbs)
ENVIRONMENTTemperature0–40°C (32–104°F)
Humidity0–95% non condensing
Audible noise< 60dBA at 1 meter
Altitude3,500 m (11,500 ft) above sea level
APPROVALSCE, EN/IEC 62040-2, EN/IEC 62040-1-1, RoHS compliant
COMMUNICATIONS INTERFACERS232, USB, intelligent slot for optional Web/SNMP, AS400/dry contact, and Modbus cards
INCLUDED IN BOXUser manual, monitoring software, CD, USB cable
AVAILABLE OPTIONSExtended warranty, maintenance bypass
NXTi Product Flyer
NXTi User's Manual
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