Speeding up drive specification
24 April 2013
Specifying variable speed drives and correctly co-ordinated ancillary components has been simplified by Eaton with the launch of a new slide-rule format selector tool, developed to save time for design engineers and to eliminate the risk of choosing poorly matched components for drive systems.
Users of the tool simply slide the inner section until the required supply voltage and motor rating show through windows in the outer section. They can then read off the most suitable variable speed drive from the PowerXL DC1 and DA1 ranges, along with information about compatible Eaton components for use in the drive circuit. These include the mains protection circuit breaker, main contactor and sine-wave filter, as well as optional mains and motor chokes.
For the drive and each of the ancillary components, the full part number is provided, for easy ordering. Also shown is useful additional information, including the frame size of the recommended drive, its rated operational current for temperatures up to 50ºC, and the appropriate fuse rating for applications where fuse rather than circuit breaker protection is preferred.
Eaton’s new d
rive selector tool is double sided, with one side providing information about single-phase drives with power ratings from 0.37 kW to 4 kW for use on 230 V supplies, and the other side covering three-phase drives with power ratings from 0.75 to 160 kW for use on 400 V supplies. The sliding section of the tool is, however, folded and can be reversed so that the three-phase side of the tool shows data for three-phase drives with power ratings from 0.37 kW to 75 kW for use on 230 V supplies.
An on-line drive configurator is also now available at http://configurators.eaton.eu/powerxl/?lx=11. This allows users to quickly enter details of their application and requirements, and provides details of suitable Eaton products in the same format as the information provided by the selector tool.
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