Single-phase modular UPS systems from 1.25 to 10 kVA

General features

  • Single-phase modular UPS systems (19” rack)
  • Power from 1250 to 5000 VA
  • VFI-111 on-line double conversion
  • Adaptable, expandable and redundant solutions
  • Easy and fast management and maintenance


  • Wide voltage range and input frequency
  • Operating frequency from 50 to 60 Hz with auto-recognition
  • Frequency conversion 50 in – 60 out or vice versa
  • Extension of the input frequency range for operation with power-supply units
  • Operation in eco mode (energy-saving)
  • Possibility to set on line mode with a minimum load rate
  • Adjustable output voltage with 1V intervals from front panel
  • Low level of noise
  • Measures internal and external temperature
  • Controls the ventilation in relation to the temperature and the load
  • Designed for remote emergency switch-off


Power module

The 1250VA module includes all the power circuits (PFC, Inverter, Booster) and the built-in battery charger.

Uptime expansion

It contains 3x9Ah maintenance-free lead batteries.

Battery charger

This is the battery charger that can be used to reduce the charging time for long uptime lasting less than 12 hours.


The device to use to ensure service continuity in the event of maintenance or expansion of the UPS.