A hopper control actuator is provided. The actuator has a frame having a firstbracket at a top endfor attaching to a hopper, a second bracket at a bottom end for attaching toan overhead support, andat least one strut between the top end and bottom end a sliding memberattached to the framehaving of an outer tube, an inner tube and a spring, the inner tube beingslidable within the outertube and having a first magnet affixed on an exterior surface thereof, thespring being connected tothe inner tube and the first bracket, the inner tube and the outer tube havingcomplimentary cornersto prevent rotation and an electrical enclosure having a micro-switch mountedtherein, the electricalenclosure being attached to the at least one strut and the micro-switch havingan actuating lever witha second magnet affixed thereto such that a like pole faces a like pole of thefirst magnet along alength of a path of travel of the first magnet.
