STS - STS Safety Swtich

The non-contact safety switches from the STS series feature maximum manipulation protection and are used for monitoring the position of machine parts and the position of doors and switches of isolating protective devices.


  • Protection of people or machines
  • Position monitoring of machine parts
  • Position monitoring of doors and switches of isolating protective devices


  • Individual coding for maximum manipulation protection
  • Up to PL e / category 4 (EN 13849-1)
  • Up to SILCL 3 (EN 62061)
  • Up to 30 sensors can be cascaded
  • Automatic or manual start
  • LED and semiconductor output for diagnostics
  • Switching distance of 8 mm / 10 mm
  • Protection class IP67 / IP69K
  • Integrated evaluation

In the event of a hazard, access is approved or the machine is shut down, for example, by a device from the safe relay series or the samos® /samos®pro safety system or by the safety switch directly. Safety switches from the STS series are also able to switch larger loads without wear via safe outputs (OSSDs).

Product Name STS Safety Swtich
Part Number STS
Name of Chapter Safety
Name of Sub Chapter RF Sensors
Brand Name Wieland

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