Analytical Instrumentation & Environmental Monitoring


Multi-kW motors served by one starter

June 2012 Analytical Instrumentation & Environmental Monitoring

In the mining industry there is frequently a need to rate one starter for the highest kW motor that will be connected to it and to use the same starter for a variety of smaller motors. Gating box applications are an example. However the overload protection settings for the respective motors then also need adjustment if the smaller motors are to benefit from protection. This problem is compounded in flameproof enclosures because of the time taken to open the compartment door.

NewElec’s MA motor protection relay range combined with the programmable RDU 216 is the solution. The RDU 216 is able to store up to eight popular settings for different kW motors. The varied settings can then be downloaded to the MA protection relay at the touch of a couple of buttons. These are accessed through the flameproof door, which can be fitted with a window in order to see the RDU 216 MMI.

For more information contact Luc Dutrieux, NewElec, +27 (0)12 327 1729, [email protected], www.newelec.co.za



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