Espagnolette S2451


Used for outward- and inward-opening double doors. For comfortable handle operation of active doors. Also available with micro.


  • For the active door. 
  • Side bolts, hook bolt type, bolt stroke 25 mm.
  • End bolts, grab bolt type.
  • Face plate 25 x 2 mm (16/20/22 x 2 mm).
  • Handle height optional.
  • Limitations, see catalogue section E.
  • Has transmission for ASSA friction casement stay.
  • The number of side bolts and slots is decided with regard to the height of the sash, see catalogue section E.
  • General description, catalogue section B.

Backset / Lock depth

  • 18 mm / 28 mm
  • 25 mm / 35 mm
  • 28 mm / 38 mm
  • 33 mm / 43 mm
  • 40 mm / 50 mm

Instructions for milling

Instructions for milling, with measurements, catalogue section E. (Not applicable to bent rod for FM espagnolettes.)

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

Want to download our product catalogues?

If you prefer to download our product catalogue - you can download it here
We also provide instructions, declarations and other documents in our download documents section.

Check it out!