... 150,250Rated voltage: 230V/400VAccord with standards: IEC61008,GB16916Application of residual current circuit breakers are mainly used to protect ... accident caused by direct or indirect contact with electric parts(including human or other animal getting a electric shock). ... trip free under reaated value, or current delay angle of 0, 90, 135 residual pulsating direct curent, or pile pulsating direct ...