Among electric magnets you will find flat magnets permitting door opening and door holding magnets. There is an electric magnet available for most of the standard doors.
Thanks to their functional silence and the special retrofitting advantages, electric magnets are ideally suitable as additional door locking devices.

You will aslo find electro holding magnets approved by EltVTR (directive for electrical locking system on escape route doors) among the items that are suitable for use on escape and rescue routes.

Round door holding magnets are primarily used with fire rated doors.