The utility model provides a permanent -magnet pulse contactor, contact system on including the support and locating the support, contact system includes the moving contact, the static contact, pivotand buffer, the static contact includes fixed plate and quiet iron core, the fixed plate is located on the support, quiet iron core inlays locates the fixed plate upper end, the moving contact includes the fly leaf and moves the iron core, fly leaf one end is articulated through pivot and fixed plate, it inlays and locates the fly leaf lower extreme to move the iron core, buffer includes two setsof buffer set spares and spring, buffer set spare includes first movable rod, second movable rod and round pin axle, first movable rod upper end is articulated with the fly leaf lower extreme, first movable rod lower extreme is connected through round pin axle and the upper end rotation of second movable rod, second movable rod lower extreme and fixed plate upper end are articulated, the spring both ends respectively with two sets of buffer set spares on the round pin hub connection. The utility model discloses a buffer slows down iron core and the quiet iron core actuation speed moved to thevibration that produces when reducing the actuation, simple structure has prolonged contactor life greatly.