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Soft starter protection   Overload protection function of the soft starter: the soft starter introduces a current control ring, so that the motor current can be tracked and detected at any time. By increasing the overload current setting and inverse time limit control mode, the overload protection function is realized. When the motor is overloaded, the thyristor is switched off and an alarm signal is sent out.
  No-phase protection function of soft starter: when working, the soft starter can detect the change of three-phase line current at any time. Once the current is cut off, it can make the no-phase protection response.
  The overheat protection function of the soft starter: the temperature of the thyristor radiator is detected through the internal thermal relay of the soft starter. Once the temperature of the radiator exceeds the allowable value, the thyristor will be shut off automatically and an alarm signal will be issued.
  Other functions: through the combination of electronic circuits, various other interlock protection can be realized in the system.

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