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Pin-type contact without return spring

The pin-type contact SF 1 is a safety switch with forced actuation. The switch is suited for all safety circuits as for instance for the speed control. Preset positions of mechanically moved parts are monitored. It is actuated by a threaded pin with a plunger.


  • actuator made of brass with threaded pin M6
  • pulling or pushing actuation direction, can be changed by introducing the actuator on the other side
  • robust metal enclosure
  • transparent cover for function control
  • without return spring
  • positively driven normally closed contact and normally open contact
  • cable gland from both sides possible

Order information codes

Technical data

normsEN 81-20, EN 81-50, EN 60947-5-1
switching capacityUi = 500 V,    Ith = 6 A,    Uimp = 4 kV
AC-15: Ue = 230 V    Ie = 2 A,    DC-13: Ue = 200 V    Ie = 0.5 A
short-circuit capacityT 6 A,    F 10 A
contact materialfine silver
actuation force10 N
connectionby slot nut max. 2.5 mm²
cable gland 2x M16x1.5 with 1x clamping gland
1x plug
level of protectionIP40
ambient air temperature-30 °C up to +80 °C
installation positionany
weight160 g



Hans & Jos. Kronenberg GmbH