To provide a highly convenient electronic type cam switch for preliminarily preventing the erroneous setting or erroneous addition of a step by limiting the number of steps (equivalent to cam mountains) which can be set in an electronic type cam, and preventing a correction step from being set unless the already set step is erased.

This electronic type cam switch is provided with a number of step limiting means 3 configured of a control means 8 for limiting the number of steps at the time of using one pulse of ON/OFF corresponding to the angle of rotation set in an electronic type cam as one step and a storage means 9.