Battery And Capacity Upgrades

Riello Galatrek, the UK subsidiary of Europe's second largest UPS

manufacturer, and the leader in power quality management for IT, comms,

commerce and industry, has unveiled its latest 19" rackmount Multi Dialog-R

UPS range. These new models can be installed either individually, in

parallel or as an N+1 configuration, to guarantee the ultimate protection

for any application requiring the highest standards of power continuity.

The Multi Dialog-R range offers a choice of single or three-phase input and

a single-phase output, with capacities ranging from 10 to 20kVA, while the

three-phase in, three-phase out range spans capacities from 10kVA up to

30kVA. Four separate units can also be connected in parallel to support

loads up to a maximum of 120kVA. Rack mounting turns each Multi Dialog-R

model into a totally scalable UPS solution, with users able to choose

different battery capacities, distribution options and even optional

Galvanic isolation units - all housed in a suitably sized Riello Galatrek

PowerRak cabinet.

The Multi Dialog-R range uses advanced digital on-line VFI technology, while

the load is powered continuously by the inverter, ensuring that it receives

an EMI filtered, stabilised and regulated sinewave supply. Each model

features dynamic input and output filters to protect the load from upstream

electrical pollution. These state of the art filters even continue to

provide spike and electrical noise protection when the unit is in economy

mode.

Riello technology enables every Multi Dialog-R UPS to adjust to the

characteristics of the mains power supply, as well as altering its operation

mode to match the sensitivity of the connected load. The user can instruct

the UPS to operate in one of three modes - On-line, Economy or Smart-Active,

either from the main control panel situated on the front of the unit, or

even remotely using the PowerShield2 software supplied with every unit.

The Economy mode offers up to 98% operating efficiency, mimicking the

characteristics of a digital line interactive UPS, with the load being

powered through the dynamic filters. This allows the inverter to remain

active, but not powering the load, until a sudden fluctuation or failure

occurs in the mains. In turn, this reduces overall wear and tear on the UPS

assemblies - ideal for installations where the mains is relatively stable,

or the load less critical. In Smart-Active mode, the UPS monitors the

stability of the mains supply, and automatically selects whether to operate

in On-line or Line-interactive mode.

As well as being virtually silent in operation, the Multi Dialog-R series

incorporates front-end Power Factor Correction (PFC) circuitry, to achieve a

true sinewave output. Full microprocessor control provides each unit with

the utmost in reliability and stability, and makes the UPS one of the most

communicative in the marketplace.

All Multi Dialog-R models are designed for easy and safe maintenance access.

19" rackmount maintenance bypasses and dual redundant switches are also

available to match each model. This makes the Multi Dialog-R range ideal for

voice and data processing installations where a rack-mounted solution is the

only effective way to solve space problems, but where absolute performance

cannot be compromised. Runtimes from several minutes to many hours are

available by specifying the appropriate battery extension packs and

chargers, or by using local standby generators.

For more information on the new Multi Dialog-R single and three-phase

rackmount UPSs, please contact the Riello Galatrek sales department on 0800

269 394, or visit www.riello-ups.co.uk

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