Universal device for single-leaf doors, level of protection IP67

The door interlock DL(F) for single leaf doors is also available in level of protection IP67. The increased level of protection allows the application under extreme environmental conditions.



  • metal housing with high stability
  • transparent cover for optimal function control
  • silent due to buffers in both directions
  • maintenance-free by permanent lubrication with high quality lubricants (up to -20 °C)
  • oiled felt ring at latch bolt for lubrication as well as for sealing against dirt and dust (at X-dimension ≥ 10 mm)
  • constrained faulty closure at DLF1-IP67 for use in passenger lifts
  • extensive range of accessories

special features:

  • water protection (IP67) of the electrical contacts, regardless of the installation position
  • optional: auxiliary switch with level of protection IP66
  • 2 m connection cable in standard
  • chromed latch bolt for better oxidation protection
  • optional: with metal cover and rubber seal instead of plastic cover (-W)
  • connection for bowden cable or cable pull for actuation or unlocking available, e.g.
    application 1:unlocking from the pit ladder (< 1.80 m according to EN 81-20)
    application 2:offset emergency release triangle (< 2 m according to EN 81-20)
    application 3:actuation by bowden cable as alternative to pull rod

Order information codes

Technical data

norms EN 81-20, EN 81-50, EN 60947-5-1
certificates type approval certificate:
EU-DL 415 (DLF1-IP67) and EU-DL 416 (DL1-IP67)
switching capacity:
switch for locking mechanism
auxiliary switch .9/…
Ui = 250 V Ith = 6 A Uimp = 4 kV
AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 0.25 A
AC-15: Ue = 250 V Ie = 2 A DC-13: Ue = 250 V Ie = 0.15 A
short-circuit capacity T 10 A F 16 A
contact material silver-nickel (minimum load 24 V 10 mA)
actuation torque (typical)
actuation force (typical)
max. force in non-operating state
1.5 Nm at the roller lever
40 N at the pull rod 17.5 N at the roller lever (at 35 mm stroke)
5 N at the pull rod
contact for locking means
auxiliary switch
2 m connection cable H05VV-F, 4 x 0.75 mm²
3 m connection cable H05VV-F, 2 x 0.75 mm²
level of protection IP67 (auxiliary switch IP66; housing of mechanical parts IP40)
ambient air temperature -10 °C up to +65 °C
weight 900 g to 1050 g (according to version)



operating instructions

declaration of conformity
DE / EN / FR / 2021

declaration of conformity
DE / EN / IT / 2021

declaration of conformity
DE / EN / CZ / 2021

declaration of conformity
DE / EN / ES / 2021

declaration of conformity
DE / EN / RU / 2021

type examination certificate

type examination certificate