Advanced Safety Light Curtain in Rugged IP67 Housing


STI safety curtainThe F3SG Series is a global safety light curtain with advanced safety functions.

  • Rugged, IP67 rated housing resists washdown
  • Space-saving slim profile of 35×35 mm (1.37 in.)
  • Scan QR code with smart phone for local language support and troubleshooting guide
  • Built-in muting; requires no external muting controller
  • All models designed for global use. PNP/NPN output selection by DIP switch


  • Fast response time of 8ms
  • Quick mount brackets reduce setup time by 50%
  • Series connection for flexible setup of protective field.
  • Easy-to-view LED bar for less alignment and diagnosis effort.
  • ADVANCE model supports complex safety solutions with muting and blanking functions.


  • For stand-alone devices.
  • Can be used for simple finger and hand intrusion.
  • Mounting takes less than half the man-hours that convention models take.
  • Highly reliable type 4 safety light curtain.

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