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  1. H

    By using classic control

    Designing a control circuit using Classic Control with four inputs: If one of the signals is activated, a buzzer sounds. Pressing the reset button stops the buzzer even if the signal remains active. If another signal is activated, the buzzer sounds again even if the first signal is still active.
  2. H

    What is PX class CT and Why mentioning its 3 parameters on nameplate helps a protection Engineer?

    if you mean 5P10 like this Its mean that’s core using with protection relay because have a very high saturation point If the current arrives to 10 times of nominal current the error may be less than 5%
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