Small photoelectric sensors
W12G

WL12G-3B2531
Illustration may differ
WL12G-3B2531
1041456
Items included: BEF-KH-W12 (2)

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    • Features
      Functional principlePhotoelectric retro-reflective sensor
      Functional principle detailAutocollimation
      Sensing range max.0 m ... 4 m 1)
      Polarisation filtersYes
      Emitted beam
      Light sourceLED 2)
      Type of lightVisible red light
      Light spot size (distance)Ø 25 mm (1.5 m)
      Key LED figures
      Wave length640 nm
      AdjustmentPotentiometer, 11 turns
      Angle of dispersionApprox. 1.5°
      Special applicationsDetecting transparent objects
      Items supplied2 x clamps BEF-KH-W12, incl. screws
      • 1) Reflector PL80A.
      • 2) Average service life: 100,000 h at TU = +25 °C.
    • Safety-related parameters
      MTTFD823 years
      DCavg0 %
    • Electrical data
      Supply voltage UB10 V DC ... 30 V DC 1)
      Ripple< 5 Vpp 2)
      Current consumption30 mA 3)
      Protection classIII
      Digital output
      TypePNP
      NPN
      Signal voltage PNP HIGH/LOW> Uv - 3 V / ca. 0 V
      Output current Imax.≤ 100 mA
      Response time≤ 330 µs 4)
      Switching frequency1,500 Hz 5)
      Switching mode

      Light switching

      Dark switching

      Switching mode selectorSelectable via L/D control cable
      Circuit protection

      A 6)

      C 7)

      D 8)

      Special featureDetecting transparent objects
      • 1) Limit values when operated in short-circuit protected network: max. 8 A.
      • 2) May not exceed or fall below Uv tolerances.
      • 3) Without load.
      • 4) Signal transit time with resistive load.
      • 5) With light/dark ratio 1:1.
      • 6) A = VS connections reverse-polarity protected.
      • 7) C = interference suppression.
      • 8) D = outputs overcurrent and short-circuit protected.
    • Mechanical data
      HousingRectangular
      Dimensions (W x H x D)15.6 mm x 48.5 mm x 42 mm
      ConnectionMale connector M12, 5-pin
      Material
      HousingMetal, zinc diecast
      Front screenPlastic, PMMA
      Weight120 g
    • Ambient data
      Enclosure rating

      IP66

      IP67

      IP69K

      Ambient operating temperature–40 °C ... +60 °C
      Ambient temperature, storage–40 °C ... +75 °C
      UL File No.NRKH.E181493 & NRKH7.E181493
    • 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
      eCl@ss 12.027270902
      ETIM 5.0EC002717
      ETIM 6.0EC002717
      ETIM 7.0EC002717
      ETIM 8.0EC002717
      UNSPSC 16.090139121528
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    Technical drawings

    WL12G-3B2531
    Connection type
    WL12G-3B2531
    Connection diagram Cd-145
    WL12G-3B2531
    Light spot size
    WL12G-3B2531
    Sensing range diagram WL12G-3
    WL12G-3B2531
    Adjustments WL12-3, WSE12-3
    WL12G-3B2531
    Dimensional drawing WL12-3, WSE12-3
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