Small photoelectric sensors
W12G

WL12G-3O2431S51
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WL12G-3O2431S51
1043879

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    • Features
      Device typePhotoelectric sensors
      Sensor/ detection principlePhotoelectric retro-reflective sensor, autocollimation
      Dimensions (W x H x D)15.6 mm x 48.5 mm x 42 mm
      Housing design (light emission)Rectangular
      Sensing range max.0 m ... 4 m 1)
      FocusApprox. 1.5°
      Type of lightVisible red light
      Light sourceLED 2)
      Light spot size (distance)Ø 25 mm (1.5 m)
      Angle of dispersionApprox. 1.5°
      Wave length640 nm
      AdjustmentPotentiometer, 11 turns
      Special applicationsDetecting transparent objects
      • 1) Reflector PL80A.
      • 2) Average service life: 100,000 h at TU = +25 °C.
    • Mechanics/electronics
      Supply voltage10 V DC ... 30 V DC
      Switching outputPNP
      Switching modeLight/dark switching
      Output current Imax.≤ 100 mA
      Response time≤ 330 µs 1)
      Switching frequency1,500 Hz 2)
      Connection typeMale connector M12, 4-pin
      Circuit protection

      A 3)

      C 4)

      D 5)

      Protection classIII
      Weight120 g
      Polarisation filter✔
      Special device✔
      Housing materialMetal, zinc diecast
      Optics materialPlastic, PMMA
      Enclosure rating

      IP66

      IP67

      IP69K

      Special featureDetecting transparent objects
      Ambient operating temperature–40 °C ... +60 °C
      Ambient temperature, storage–40 °C ... +75 °C
      UL File No.NRKH.E181493 & NRKH7.E181493
      • 1) Signal transit time with resistive load.
      • 2) With light/dark ratio 1:1.
      • 3) A = VS connections reverse-polarity protected.
      • 4) C = interference suppression.
      • 5) D = outputs overcurrent and short-circuit protected.
    • Safety-related parameters
      MTTFD823 years
      DCavg0 %
    • Classifications
      ECl@ss 5.027270902
      ECl@ss 5.1.427270902
      ECl@ss 6.027270902
      ECl@ss 6.227270902
      ECl@ss 7.027270902
      ECl@ss 8.027270902
      ECl@ss 8.127270902
      ECl@ss 9.027270902
      ECl@ss 10.027270902
      ECl@ss 11.027270902
      ETIM 5.0EC002717
      ETIM 6.0EC002717
      ETIM 7.0EC002717
      ETIM 8.0EC002717
      UNSPSC 16.090139121528
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    Technical drawings

    WL12G-3O2431S51
    Connection type
    WL12G-3O2431S51
    Connection diagram Cd-101
    WL12G-3O2431S51
    Light spot size
    WL12G-3O2431S51
    Sensing range diagram WL12G-3
    WL12G-3O2431S51
    Adjustments Teach-in
    WL12G-3O2431S51
    Dimensional drawing WL12-3, WSE12-3
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