Induction generator for a radio-operated switch, having the following features: a U-shaped magnetic diverter comprising a first limb, a second limb which is arranged adjacent to the first limb, and a connecting region for connecting the first and the second limb; a coil core which is arranged between the first and the second limb of the magnetic diverter and is connected to the connecting region of the magnetic diverter; an induction coil which is arranged between the first and the second limb of the magnetic diverter on the coil core, so that the first and the second limbs and the coil core form an E-shaped magnet core; and a movably arranged magnet element with a first contact region and a second contact region, wherein the first contact region adjoins the first limb and the second contact region adjoins the coil core in a first position of the magnet element and the first contact region adjoins the coil core and the second contact region adjoins the second limb in a second position of the magnet element, characterized in that the magnet element has a first pole shoe for forming the first contact region and a second pole shoe for forming the second contact region, wherein free ends of the first and of the second pole shoe respectively overlap with free ends of the coil core and of the first and of the second limb, and in that the coil core has a carrier section for carrying the induction coil and a contact section for making contact with the first and the second contact region, and wherein a cross section through the contact section is larger than a cross section through the carrier section, and in that the induction generator has an operating device for moving the magnet element between the first position and the second position. a U-shaped magnetic diverter comprising a first limb, a second limb which is arranged adjacent to the first limb, and a connecting region for connecting the first and the second limb; a coil core which is arranged between the first and the second limb of the magnetic diverter and is connected to the connecting region of the magnetic diverter; an induction coil which is arranged between the first and the second limb of the magnetic diverter on the coil core, so that the first and the second limbs and the coil core form an E-shaped magnet core; and a movably arranged magnet element with a first contact region and a second contact region, wherein the first contact region adjoins the first limb and the second contact region adjoins the coil core in a first position of the magnet element and the first contact region adjoins the coil core and the second contact region adjoins the second limb in a second position of the magnet element, characterized in that the magnet element has a first pole shoe for forming the first contact region and a second pole shoe for forming the second contact region, wherein free ends of the first and of the second pole shoe respectively overlap with free ends of the coil core and of the first and of the second limb, and in that the coil core has a carrier section for carrying the induction coil and a contact section for making contact with the first and the second contact region, and wherein a cross section through the contact section is larger than a cross section through the carrier section, and in that the induction generator has an operating device for moving the magnet element between the first position and the second position.