EM Hold-Open Magnets

DORMA’s new range of EM hold-open magnets provides the perfect complement to a technically and aesthetically advanced range of fire and smoke check door products. These new market-orientated developments are characterised by their ease of fixing and functional elegance. Thanks to comprehensive quality assurance, they also offer maximum reliability and service life.




  • Modular system for application flexibility
  • Offer maximum reliability and service life
  • CE Marked to BS EN 1155
  • Concealed cable run
  • Optimum holding force with minimum power consumption
  • Surface, flush or floor mounted

Electro-magnets for hold-open systems

The statutory regulations which apply in many countries allow fire and smoke check doors to be held open for a limited period of time by electro-magnetic hold-open devices which, in the event of a fire, are de-energized to release the door so as to enable automatic closing.

Benefits for the trade/distributor

  • Cost-effective modular system offering the advantages of maximum flexibility with minimal stocking levels
  • A further component in the DORMA range for single-source supply

Benefits for the installer/fabricator

  • Quick and easy to fix
  • Sophisticated accessories suitable for a wide range of applications

Benefits for the architect/specifier

  • Uniform appearance common to all models
  • Modular system for application flexibility

Benefits for the user

  • Unobtrusive
  • Concealed cable run
  • Optimum holding force with minimum power consumption

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