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MULTI DIALOG 60-80kVA

MULTI DIALOG 60-80kVA

MULTI DIALOG 60-80kVA

An Uninterruptible Power Supply (UPS) for the power protection of corporate wide and large network applications. The Riello UPS Multi Dialog Uninterruptible Power Supply range is the ideal solution for computer and telecoms users wanting a flexible multiple operating format power system with advanced communications features.

Uninterruptible Power Supply with multiple operating modes

The Multi Dialog Uninterruptible Power Supply series UPS uses double conversion on-line technology (VFI) and has several other operating mode options. Multi Dialog AF systems incorporate an harmonic filter to achieve less than 4% harmonic distortion and a near perfect sinewave absorption from the mains.

In on-line mode the load is powered continuously by the inverter to remove sags, surges and brownouts, through EMI filters to suppress transients, spikes and electrical noise. Even on bypass the load is routed through the filters so that the load is not connected to raw mains.

When the mains fails, the inverter which is constantly powering the load simply draws power from the internal battery to provide complete protection.

Features

  • reliable, filtered, stabilised and regulated sinewave output (double on-line conversion technology VFI according to EN50091-3 specifications) with filters for atmospheric disturbance suppression
  • high reliability: IGBT technology, full microprocessor control with no-break static and manual bypasses
  • 0.8 power factor makes Multi Dialog suitable for powering ICT and industrial loads
  • high level diagnostics: event log with 128 messages, states, measurements and alarms - available from the built-in LCD in several languages
  • the UPS may be configured with the RS232 serial port (flash up gradable)
  • power factor correction with sinusoidal input to ensure a low impact on the mains supply for the single-phase/single-phase series
  • reduced noise levels: high frequency inverter bridge used (>16 kHz: above audible range)
  • low power consumption up to 92% in On-line mode due to the use of IGBT technology and up to 98% in the other operating modes: “Economy Mode”, Smart Active Mode, and Standby/Off Mode.
  • low harmonic pollution in the Multi Dialog CLEAN (AF series) the electronic digital (DSP control) active filter achieve a very low total harmonic distortion (THDi<4%)
  • compact cabinet (internal option)
  • high reliability (failure of the active filter does not affect UPS operation)
  • high efficiency: the active filter does not reduce operational efficiency
  • simple to install:

1. Capability to connect the UPS both to single-phase and three-phase mains supplies

2. Panel to offset voltage drop down long cable runs

  • maximum reliability and power availability - connect up to 8 units in parallel or N+1 redundancy, even of different power ratings
  • power factor correction (input power factor, close to 1)
  • high level battery reliability:

1. Automatic battery test

2. Recharge compensated for temperature

  • emergency operation: the UPS can be set to operate only when the mains fails (for emergency lighting)
  • back feed protection: to avoid energy feeding back into the mains supply
  • by pass may be deactivated to allow operation as a frequency converter (at 50 or 60 Hz)
  • easy to maintain (front access)

Want to get in touch? Call 0800 634 3390 or Email [email protected]


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