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Riello Multi Dialog UPS

Multi Plus MDT UPS

The Multi Dialog UPS from Riello UPS is a transformerless UPS available in 1/1 or 3/1 and 3/3 from 10-80kVA. The MDM/MLM series Multi Dialog UPS could be installed as a single phase input or output, or a three phase input and single phase output UPS and the MDT/MLT series was a three phase input and output system. The UPS had internal battery options and external battery cabinets. EcoPowerSupplies is a certified Riello UPS Service Partner. We provide a complete range of UPS services for Multi Dialog installations including:

  • UPS Maintenance Plans
  • UPS HealthChecks
  • UPS Battery Testing and Replacement

For more information on the services we can provide for the Riello Multi Dialog MDM or MDT range contact our Power Projects team to book a FREE site survey, discuss our trade-in service or Health Check an existing system for a maintenance plan.

Click Multi Dialog UPS datasheet for a PDF on the Multi Dialog UPS range including general specifications.

MDM/MLM series, (1/1 or 3/1) Multi Dialog UPS 10-20kVA

Riello Multi Dialog MDM UPS

MDM series, single phase input and output, or three phase input and singe phase output uninterruptible power supplies. The MDM series UPS could be installed as a 1/1 or 3/1 configuration on installation through the connection to a single or three phase input power supply and the correct jumper/firmware configuration. As a transformerless UPS the Multi Dialog has a centre-tapped battery meaning that the battery is split into two strings for the +ve and -ve terminal connections.

SKURatingDC BusBatteries
MDM 100010kVA384Vdc32×12Vdc
MDM 150015kVA576Vdc48×12Vdc
MDM 200020kVA576Vdc48×12Vdc
MLM 1010kVA384Vdc
32×12Vdc
MLM 12
12kVA576Vdc
48×12Vdc
MLM 15
15kVA576Vdc
48×12Vdc
MLM 2020kVA576Vdc
48×12Vdc

MDT/MLT series, (3/3) Multi Dialog UPS 10-80kVA

Riello Multi Dialog UPS

MDT series, three phase input and three phase output uninterruptible power supplies. The MDT series UPS could be installed as a stand alone or parallel N+X system for increased resilience or capacity.

SKURatingDC BusBatteries
MDT 100010kVA384Vdc32×12Vdc
MDT 150015kVA576Vdc48×12Vdc
MDT 200020kVA576Vdc48×12Vdc
MDT 300030kVA576Vdc48×12Vdc
MDT 400040kVA576Vdc48×12Vdc
MDT 600060kVA576Vdc48×12Vdc
MDT 800080kVA576Vdc48×12Vdc
MLT 1010kVA384Vdc
32×12Vdc
MLT 12
12kVA576Vdc
48×12Vdc
MLT 1515kVA576Vdc
48×12Vdc
MLT 2020kVA576Vdc
48×12Vdc
MLT 3030kVA576Vdc
48×12Vdc
MLT 4040kVA576Vdc
48×12Vdc
MLT 100100kVA576Vdc
48×12Vdc
MLT 120120kVA576Vdc
48×12Vdc

The MDM and MDT series has been replaced by the Riello Multi Sentry UPS range.