The utility model relates to a realization recloses device of examining non -pressure, it has solved current transmission line system can't effectively realize reclosing the technical problem who examines no voltage protection under the condition that distributed generator inserted, it includes live display device and recloses protection device, it is equipped with and recloses outlet relay and logic control module to reclose protection device, logic control module includes first disjunction gate logic unit, first AND gate logic unit, second AND gate logic unit and second disjunction gate logic unit, live display device's node output unit's the income volume of opening is as second disjunction gate logic unit's incoming signal, and second disjunction gate logic unit's output and second AND gate logic unit's input are connected, and first disjunction gate logic unit's output and first AND gate logic unit input are connected, and first AND gate logic unit's output and second AND gate logic unit's input are connected, and second AND gate logic unit's output connection recloses output unit 1. The utility model discloses extensively be used for electric power system.