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DORMA EM Series 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 characterized by their ease of fixing and functional elegance. And thanks to comprehensive quality assurance, they also offer maximum reliability and service life.

  • Modular system for application flexibility
  • Offer maximum reliability and service life
  • Certified manufacture to ISO 9001
  • Concealed cable run
  • Optimum holding force with minimum power consumption
  • Surface, flush or floor mounted
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Product details

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.

Manual release

It must also be possible to manually release any hold-open device. According to the applicable guidelines for hold-open systems, a manual release pushbutton is necessary when employing electromagnets in such applications. The pushbutton employed must be red, carry the wording “Close door”, be located in the immediate vicinity of the door, and must not be hidden when the door is in its hold-open position.

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

Product downloads