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  1. tonynccg

    Alstom IDMT relay range

    We have a switchgear protected by 800/5A PCT with IDMT O/L relay, how can i setting the IDMT if there is a load of 900A for 50sec. by setting the IDMT relay? Also what is the meaning of the following for IDMT relay 1. Starting current 2. Closing current 3. Resetting current.

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