SF1-EX Pin-Type Contact - Spring Return

Product Code: SF1-AEL-EX

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Product Description

Technical Information:

The SF1-EX Pin-Type Contact is designed as a safety switch with positive contact designed to meet the demands for use in potentially explosion-endangered areas. It complies with the requirements of the EN81-20 / EN81-50 safety standard regulations. It is actuated via a pin with a threaded pin (size M6). The indirect actuation enables a particularly large overrun (path after contact opening). The switch required to determine predetermined positions for moving components (e.g. for rope monitoring).


  • Special version for use in explosion-endangered areas
  • 2m connection cable
  • Actuator made of brass with threaded pin (size M6)
  • Robust metal housing
  • Transparent cover for function control
  • Enclosure made of metal resp. shock-resistant plastics, self-extinguishing with spring return
  • Positively driven, normally closed contact and normally open contact
  • Large backlash from contact opening to the stop at actuation

Please note these products are non-returnable unless faulty or damaged.

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 = 250V, Ith = 6A, Uimp = 4kV, AC-15: Ue = 230V Ie = 6A, DC-13: Ue = 220V Ie = 0.25A
Short-Circuit Capacity: T 6A, F 10A
Contact Material: Silver-Nickel (minimum load 24V / 10mA)
Actuation Force: 19N
Connection: 2m connection cable H05VV-F, 4 x 0.75mm² (10m option available)
Level of Protection: IP65
Ambient Air Temperature: -20 °C up to +65 °C
Weight: 660g (depending on the connection cable)


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