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AC protect socket Disconnects your electric devices at a change level of tension in a network higher or below set auto includes tensions at normalization. Working range voltage of devices: 120V-380VMaximal commutation power: 7.0KWTime of working of devices at a failure: 0.1 secError of measuring of voltage:±1VDuring including after a failure: from 1 sec to 999 secDiscreteness of setting of thresholds of voltage: 1VFunction: it can protect the electronics in the house ,when the voltage is higher or belower ,this product will disconnect the power to protect the electric devices,when the power recover,this products will let your electric devices come back to work in the time you have fixed .