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Testing of mortise locks according to DIN 18251-3



DIN 18251-3 - Mortise locks as multipoint locks

Division Building components:

Further information and contact

Field of application according to DIN 18251-3 (Chapter 1):

This standard specifies terminology, dimensions, requirements, tests and marking for mortise locks as multipoint locks with latch bolts and deadbolts including multipoint locks with self-locking.


Requirements according to DIN 18251-3 (chapter 6):

  • Materials
  • Latch bolts and deadbolts
  • Lock case
  • Faceplate
  • Switch
  • Self locking
  • Door closure
  • Escape door function
  • Drill protection
  • Corrosion protection
  • Strike plate



ift Rosenheim

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