SICK KT5G-2P1411 Contrast sensor. 

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• • KT5G2P1411
  • CONTRAST SENSOR
  • KT5
  • LED GREEN LIGHT SOURCE
  • 1.1 X 4.2 MM LIGHT SPOT SIZE
  • PNP LIGHT/DARK SWITCHING OUTPUT
  • 10-30 VDC
  • M12 4 PIN MALE CONNECTOR
  • 1018040