Terminal limit switch, one-position spring return, EX-version

The emergency limit switch FES-EX is a safety switch with forced actuation and intended for the use in explosion endangered areas. It fulfils the requirements of the series of standards EN81-20 / EN81-50. It has two switching positions with spring return to the original position. The emergency limit switch is needed for switching off the lift if, in the event of a fault the lift car moves beyond the terminal landing.


  • special version for use in explosion-endangered areas
  • with spring return for one-sided actuation
  • right and left version available, conversion possible
  • robust metal enclosure
  • transparent cover for optimal function control
  • contact configuration with two positively driven normally closed contacts and two normally open contacts
  • guided pressure springs for high funcional safety
  • quiet functioning
  • adjustable in three axes

Order information codes

Technical data

norms EN 81-20, EN 81-50, EN 60947-5-1, EN 60079-0, EN 60079-1, EN 60079-31,
EN ISO 13849-1, EN ISO 14119
switching capacity Ui = 250 V Ith = 10 A Uimp = 4 kV
AC-15: Ie = 6 A Ue = 230 V DC-13: Ie = 0.25 A Ue = 220 V
short-circuit capacity T10 A F 16 A
contact material silver-nickel (min. load 24 V / 10 mA)
actuation- / return force 2.3 Nm
connection 2 m connection cable H05VV-F, 4 x 0.75 mm² (10 m as option)
level of protection IP65
ambient air temperature -20 °C up to +60 °C
installation position any
weight 1750 g (dependant on the connection cable)