Direction limit switch with three stay-put features, EX-version

The direction limit switch US-EX is designed as a safety switch with forced opening and intended for the use in explosion-endangered areas. It complies with the requirements of the series of standards EN81-20 / EN81-50. It has three switching positions with stay-put features, whereby the last switching position is retained. The direction limit switch signals the position of the car to the floor (at floor level, above, below).


  • special version for use in explosion-endangered areas
  • engages in three positions
  • robust metal enclosure
  • transparent cover for optimal function control
  • contact configuration with three positively driven normally closed contacts and three normally open contacts
  • 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: Ue = 230 V Ie = 6 A DC-13: Ue = 220 V Ie = 0.25 A
short-circuit capacity T10 A F 16 A
contact material silver-nickel (min. load 24 V / 10 mA)
actuation- / return force 2.4 Nm (stay-put)
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 2220 g (dependant on the connection cable)