Espagnolette S3451


Used for inward- and outward-opening double doors, and for two-light windows with meeting sashes. Lockable with cylinder. Also available with micro.


  • End bolt, grab bolt type.
  • Side bolt, wedge bolt type, bolt stroke 17 mm.
  • Face plate 25 x 2 mm.
  • Lockable with cylinder from one side or from both sides.
  • Locking and unlocking is done manually with a key or a turn catch.
  • Has transmission for ASSA friction casement stay, optional top, bottom or at both ends.
  • Handle height optional.
  • Limitations, see catalogue section E.
  • The number of side bolts is decided with regard to the height of the frame, see catalogue section E.
  • Right and left are identical according to symbol.
  • General description, catalogue section B.

Backset / Lock depth

  • 28 mm / 41 mm
  • 31 mm / 44 mm
  • 33 mm / 46 mm
  • 40 mm / 53 mm

Instructions for milling

Instructions for milling, with measurements, catalogue section E.


Lockable lock housings have a spacer between the lock housing lids. This prevents squeezing the lids together when mounting the cylinder.

Do you want to create a safe lock environment?

ASSA OEM has created "The lock guide by ASSA OEM", and it's made to give you knowledge and tips about approved lock sets. We really encouring poeple to read our tips and guidelines here: The lock guide

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