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What is a pot magnet?

Pot magnet with a steel shell

A pot magnet is a permanent magnet encased in a steel shell, which is sometimes called a pot, hence the name 'pot' magnet. 


A permanent magnet emits a magnetic field without the need for any electricity. For more information, see: Magnets glossary.

Magnetic field lines of a pot magnet

The steel shell helps the pot magnet by increasing its holding power and providing the magnet with added strength and stability. 


For information on how a pot magnet works, see the page: How does a pot magnet work?

Magnetic down light being held by a stud pot magnet

Pot magnets are often used as magnetic bases and magnetic holders for large supermarket ceiling signs. For more information, see the page: What is a pot magnet used for?

Types of pot magnet: bi-pole, countersunk, internal threaded, stud and through hole

There are five forms of pot magnet: bi-pole, countersunk, through hole, internal threaded, and stud.


For more information, see the page: What are the different types of pot magnet?