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  1. S.Clementin

    "Operate Delay Time" in ABB REF615

    Thanks JG2828!! I looked in the manual, but i could not find this information. Tnks!!
  2. S.Clementin

    "Operate Delay Time" in ABB REF615

    Hi, how are you? Im writing here cause i would like to know what exactly means "Operate Delay Time" in ABB REF615 relays. What it is the difference between Operate Delay Time and Time Multiplier?? This options appears when editing overcurrent protection parameters. Im working on a selectivity...

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