The utility model provides an improve the switch of CS6 type isolator telemetering measurement position sigual rate of accuracy, is including installing CS6 manual operating mechanism, the magnetic induction switch on same cubical switchboard, CS6 manual operating mechanism's action bars on set up permanent magnet, magnetic induction switch install in perpendicular to CS6 manual operating mechanism's plane department to use the screw fixation, magnetic induction switch lead -out wire and disconnecting link position signal line meet, magnetic induction switch constitute by a pair of built -in normally open contact and magnetism induced surface, magnetism inductive distance is 5 20mm, the utility model discloses an auxiliary switch be magnetic induction switch, demolish bent axle, the turning arm connected on the switch operation pole, reduced mechanical parts, it is sensitive, reliable that magnetic induction switch has the action moreover, and contact advantage such as longe -lived, has avoided effectively causing because of isolator telemetering measurement position sigual is incorrect to potential safety hazards such as device location's erroneous judgement, maloperations.