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Small photoelectric sensors
W12-3

WL12-3N1151
Illustration may differ
WL12-3N1151
1041451
Available from stock
Items included: BEF-KH-W12 (2)

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    • Features
      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 ... 2 m 1)
      Sensing range0 m ... 1.3 m 1)
      Type of lightVisible red light
      Light sourceLED 2)
      Light spot size (distance)Ø 2 mm (90 mm)
      Angle of dispersionApprox. 5°
      Wave length640 nm
      AdjustmentPotentiometer, 5 turns
      Special applicationsDetecting small objects
      • 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 consumption40 mA 3)
      Switching outputNPN
      Output functionComplementary
      Switching modeLight/dark switching
      Signal voltage NPN HIGH/LOWApprox. VS / < 2.5 V
      Output current Imax.100 mA
      Response time≤ 330 µs 4)
      Switching frequency1,500 Hz 5)
      Connection typeCable, 4-wire, 2 m 6)
      Cable materialPVC
      Conductor cross-section0.25 mm²
      Circuit protection

      A 7)

      C 8)

      D 9)

      Protection classIII
      Weight200 g
      Polarisation filter✔
      Housing materialMetal
      Optics materialPlastic, PMMA
      Enclosure rating

      IP66

      IP67

      IP69K

      Items supplied2 x clamps BEF-KH-W12, incl. screws
      Special featureFocused optics
      Ambient operating temperature–40 °C ... +60 °C
      Ambient storage temperature–40 °C ... +75 °C
      UL File No.NRKH.E181493 & NRKH7.E181493
      • 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) 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
      MTTFD1,388 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
      UNSPSC 16.090139121528
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    Technical drawings

    WL12-3N1151
    Connection diagram Cd-094
    WL12-3N1151
    Characteristic curve WL12-3, focused
    WL12-3N1151
    Sensing range diagram WL12-3, focused
    WL12-3N1151
    Adjustments WL12-3, WSE12-3
    WL12-3N1151
    Dimensional drawing WL12-3, WSE12-3
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