flattest device

The door interlock CL(F) is caracterised by a flat, symmetrical housing where the latch bolt is arranged centrally. The switch for locking mechanism and auxiliary switch are always existing. The bolt stroke is reduced and thus requires lower actuation forces.

Door interlock CLF-L-X15(u).20

Door interlock CLF-L-X15(u).20

Dimensions CLF-R-X20(u).10



  • 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
  • constrained faulty closure at CLF for use in passenger lifts
  • contacts with solid fine silver plating for a reliable function even at low voltages and currents
  • extensive range of accessories

special features:

  • compact device with little space requirement
  • symmetrical housing and centrically arranged latch bolt
  • reduced bolt stroke and low actuation forces
  • integrated auxiliary switch (always existing)
  • optional: patented monitoring of the base side emergency release with positive opening safety switch (EN 81-21)
  • same position of emergency release triangle also at version with indirect monitoring

Order information codes

Technical data

norms EN 81-20, EN 81-50, EN 81-21, EN 60947-5-1
certificates type approval certificate:
EU-DL 812 (CLF) and EU-DL 811 (CL)
switching capacity:
switch for locking mechanism
monitoring switch
auxiliary switch
Ui = 250 V Uimp = 4 kV lth = 10 A
AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 1 A
AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 2 A
AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 1 A
short-circuit capacity T 10 A F 16 A
contact material fine silver
actuation torque (typical)
actuation force (typical)
max. force in non-operating state
0.65 Nm at roller lever
17 N at the pull rod 8.5 N at the roller lever (at 35 mm stroke)
4 N at the pull rod
connection by screw terminal max. 1.5 mm²
cable entry M20x1.5 with clamping gland
level of protection IP40
ambient air temperature -10 °C up to +65 °C
weight 480 g to 740 g (according to version)





Operating instructions

Declaration of conformity
DE / EN / FR

Declaration of conformity
DE / EN / IT

Declaration of conformity
DE / EN / CZ

Declaration of conformity
DE / EN / ES

Declaration of conformity
DE / EN / RU

Declaration of Conformity

EU Type-examination certificate

EU Type-examination certificate

UK- Type-examination certificate

UK- Type-examination certificate