UPSs are made for telecomms applications

New multimode uninterruptible power supplies are specifically designed for call centre type organisations deploying multichannel services and voice over IP telephony.

The new Multi Dialogs from Riello Galatrek are multimode uninterruptible power supplies specifically designed for call centre type organisations deploying multichannel services and voice over IP telephony.

By 2010 it is predicted that there will be over 7000 individual call centres in the UK employing almost 500,000 people.

To compete with offshore rivals call centres are reducing their operating costs, improving customer service levels and deploying leading edge technologies.

Multichannel services is predicted to be the leading model for future call centres.

It provides the ability to handle voice, web, text and fax messages simultaneously from thousands of callers and takes advantage of the latest developments in communications technologies.

Voice over IP (VoIP) allows smaller call centres to locate around a central hub and provide a seamless service to clients using local call-rate connections.

Both technologies can be severely disrupted by mains pollution and electrical supply failures.

"Our customers are already heaping praise on the new 10-80kVA Multi Dialogs for their technological innovations, cost effectiveness and power protection features", commented Leo Craig, Sales Manager for Riello Galatrek.

"The UPS have also received third party business continuity endorsements and are gathering industry recognition for their technological advancement".

Multi Dialogs have been specially designed to support medium sized network applications.

They are 35% smaller than traditional transformer based systems making it easier to find them a space within compact computer and plant rooms.

The UPS design is modular in approach with a mean time between failure (MTBF) greater than 250kh.

Installation resilience can be further increased as up to eight UPS modules can be connected in an N+1 or parallel configuration.

Should any one of the modules fail the load is automatically shared among the remaining modules.

Service is performed on slide-out trays providing easy access to swap out assemblies.

Multi Dialog costs less than a traditional transformer based UPS and places less demands on local air conditioning.

A traditional transformer based UPS operates at an efficiency of 90% or less.

Multi Dialog operates in online mode at up to 93% efficiency.

This can be increased to nearly 98% by selecting one of the other operating modes including: economy or smart-active.

The UPS uses input power factor correction (0.99) with a sinusoidal input to ensure a very low impact on the mains supply and local emissions.

A built-in active filter can be specified to achieve a total harmonic distortion of better than 4%, meeting the most stringent G5/4 harmonic recommendations.

Easy to access operating and maintenance information is available from the UPS front panel LCD, mimic panel or remotely.

Remote network monitoring connections include two rear-panel RS232 serial ports and a slot-in network adapter card slot.

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