UPSonNet, a consulting and Power Protection information source launched recently an Uninterruptible Power Supply Products Directory, which enables buyers to see at a glance main manufacturer's systems, explore specifications, compare and contact relevant professional suppliers.

UPSonNet reviewed buyer's ability to select on the Internet, an Online UPS for data center application in North American market, by considering main search and sales engines, as well as directories of manufacturers and suppliers.

The review indicates that a buyer looking for information to enable performing a simple market research before purchasing a proper UPS is left, after spending hours on the Internet, with limited knowhow. Too tiny to make, or get a feeling, of reasonable and justified decision.

To provide a solution, UPSonNet resolved to present on its website a directory of UPS systems, which includes systems offered by main industry manufacturers according to different categories and locations.

The first category, Rack Mount Online Single phase 120V UPS systems is already presented on UPSonNet website, and  can be seen visiting : http://www.upsonnet.com

The decision to start with North American Rack Mounted systems was based on recent Energy Star standard, which requires to reduce grid polluting harmonics from computer server's, by correcting input power factor from existing figure of 0.7 up to 0.95.

Hence buyers should pay attention, particularly with Online systems, not only to the UPS VA rating but also to UPS wattage rating, in order to ascertain that both exceed respective data center server's requirements. Most manufacturer however, specify in sales literature only VA figure. In numerous cases, additional digging is required, to reveal products Wattage rating.

To provide simple, fast and comprehensive ability to see at a glance, both the forest and the trees, the directory presents in a table format, RM online products from main manufacturers, indicating system sizes both in VA and Watts .

Each product links to proper Manufacturer's specification data sheet, providing essential technical data, such as efficiency, size, and backup time, enabling to compare systems and to check conformance with needed requirements.

In addition, contact address is provided for each system type, to a local professional company for concluding purchase or consultation.

For more information about the review see UPSonNet newsletter: Procuring UPS systems on the Web presented at: http://www.upsonnet.com/Newsletter09/August.html