Door switch with reed contact

The door switch with additional reed contact DZRK is a safety switch with forced actuation and is used to control the close position of lift doors. The additionally built-in reed contact offers a high protection against manipulation, as it only switches when the special contact bridge with integrated permanent magnet DZM21 is inserted.


  • safety switch with positive contact
  • additional reed contact (inert gas contact) for increased protection against manipulation
  • high contact safety by self-cleaning
  • enclosure made of thermoplastic, self-extinguishing
  • quiet functioning
  • mounting brackets made of metal for secure fixation
  • only in combination with contact bridge DZM21 (with integrated magnet)

Order information codes

Technical data

norms EN 81-20, EN 81-50, EN 60947-5-1
switching capacity:
positively driven normally closed contact
reed contact
Ui = 500 V Ith = 10 A Uimp = 4 kV
AC-15: Ue = 230 V Ie = 2 A DC-13: Ue = 200 V Ie = 2 A
120 VA 250 V AC/DC 3 A lth = 3 A
short-circuit capacity T10 A F 16 A
contact material fine silver, reed contact made of ruthenium
actuation force 1.6 N
connection by screw terminal max. 2.5 mm², captive
level of protection IP20
ambient air temperature -25 °C up to +70 °C
installation position any
weight DZRK-B = 62 g
DZM21 = 17 g



declaration of conformity
DE / EN / FR / 2021

declaration of conformity
DE / EN / IT / 2021

declaration of conformity
DE / EN / CZ / 2021