They are those permanent magnets which are installed above the open conveyors to clear the ferrous objects and fines found in grains, feedstuffs, dry chemicals and other particulates. The metallic contaminants are usually pulled out by the suspended magnets.

Suspended plate magnets come in different sizes matching to the width of the belt. They are outfitted with eyebolts for handling the overhead suspension. The magnets used in suspension are normally ceramic magnets or rare earth magnets which have the capability to lift the tramp- iron objects from considerable distance.