Miniature photoelectric sensors
W4S-3

WL4S-3E1332
Illustration may differ
WL4S-3E1332
1042081

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    • Features
      Functional principlePhotoelectric retro-reflective sensor
      Functional principle detailAutocollimation
      Dimensions (W x H x D)12.2 mm x 41.8 mm x 17.3 mm
      Housing design (light emission)Rectangular
      Sensing range max.0 m ... 5 m 1)
      Sensing range0 m ... 3 m 1)
      Type of lightVisible red light
      Light sourcePinPoint LED 2)
      Light spot size (distance)Ø 45 mm (1.5 m)
      Wave length650 nm
      AdjustmentSingle teach-in button
      • 1) Reflector PL80A.
      • 2) Average service life: 100,000 h at TU = +25 °C.
    • Mechanics/electronics
      Supply voltage10 V DC ... 30 V DC 1)
      Ripple< 5 Vpp 2)
      Current consumption20 mA 3)
      Switching outputNPN
      Switching modeDark switching
      Output current Imax.≤ 100 mA
      Response time< 0.5 ms 4)
      Switching frequency1,000 Hz 5)
      Connection typeCable, 3-wire, 2 m 6)
      Cable materialPVC
      Conductor cross section0.14 mm²
      Cable diameterØ 3.4 mm
      Circuit protection

      A 7)

      C 8)

      D 9)

      Protection classIII
      Weight30 g
      Polarisation filter✔
      Housing materialPlastic, ABS
      Optics materialPlastic, PMMA
      Enclosure rating

      IP67

      IP66

      Ambient operating temperature–40 °C ... +60 °C
      Ambient temperature, storage–40 °C ... +75 °C
      UL File No.NRKH.E181493 & NRKH7.E181493
      • 1) Limit values.
      • 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) Do not bend below 0 °C.
      • 7) A = VS connections reverse-polarity protected.
      • 8) C = interference suppression.
      • 9) D = outputs overcurrent and short-circuit protected.
    • Safety-related parameters
      MTTFD1,530 years
      DCavg0 %
      TM (mission time)20 years
    • 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

    WL4S-3E1332
    Connection type
    WL4S-3E1332
    Connection diagram Cd-043
    WL4S-3E1332
    Light spot size
    WL4S-3E1332
    Sensing range diagram WL4S-3, WLG4S-3, 5 m
    WL4S-3E1332
    Dimensional drawing WL4S-3, WLG4S-3, single teach-in button
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