Channel magnets

Channel magnets work on the same principle as other pot magnets. This means that a steel pot protects the magnet from impact and centres the magnetic force in one direction. In direct contact with an iron surface, channel magnets are therefore very powerful. Channel magnets have some advantages over other types of pot magnets. They cost a little less because of their simpler design, and their height is a little lower, which can be an advantage in some applications. On the negative side, channel magnets are slightly less powerful than other types of pot magnets.
Some applications for channel magnets are:

  • Magnetic door holder
  • Knife holder
  • Magnetic furniture assembly
  • Organising tools on a tool board
  • Hanging ceiling panels for art exhibitions
Channel magnets have a very strong magnetic pull due to their steel pot/cap. However, be aware that the strength is calculated for a direct pull. If the channel magnet is placed on a vertical surface (e.g. a whiteboard), the pot magnet will hold 10-15% of its rated strength before slipping or falling off. You should therefore consider whether the channel magnet needs to hold something vertically or horizontally and choose the magnetic strength accordingly.

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