Small photoelectric sensors
W12-3

WTF12-3P1231
Illustration may differ
WTF12-3P1231
1125679
Items included: BEF-KH-W12 (1)

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    • Features
      Functional principlePhotoelectric proximity sensor
      Functional principle detailForeground suppression
      Sensing range max.30 mm ... 175 mm 1)
      Sensing range30 mm ... 175 mm
      Emitted beam
      Light sourceLED 2)
      Type of lightVisible red light
      Light spot size (distance)Ø 2 mm (60 mm)
      Key LED figures
      Wave length640 nm
      AdjustmentPotentiometer, 5 turns
      Special applicationsDetecting flat objects
      Items supplied2 x clamps BEF-KH-W12, incl. screws
      • 1) Object with 90% remission (based on standard white, DIN 5033).
      • 2) Average service life: 100,000 h at TU = +25 °C.
    • Safety-related parameters
      MTTFD810 years
      DCavg0 %
    • Electrical data
      Supply voltage UB10 V DC ... 30 V DC 1)
      Ripple< 5 Vpp 2)
      Current consumption45 mA 3)
      Protection classIII
      Digital output
      TypePNP
      Signal voltage PNP HIGH/LOW> Uv - 2,5 V / ca. 0 V
      Output current Imax.≤ 100 mA
      Response time≤ 330 µs 4)
      Switching frequency1,500 Hz 5)
      Switching modeLight/dark switching
      Output functionComplementary
      Circuit protection

      A 6)

      C 7)

      D 8)

      • 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
      ConnectionCable, 4-wire, 5 m 1)
      Connection detail
      Conductor size0.25 mm²
      Length of cable (L)5 m 1)
      Material
      HousingMetal
      Front screenPlastic, PMMA
      CablePVC
      Weight200 g
      • 1) Do not bend below 0 °C.
    • 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 5.027270904
      eCl@ss 5.1.427270904
      eCl@ss 6.027270904
      eCl@ss 6.227270904
      eCl@ss 7.027270904
      eCl@ss 8.027270904
      eCl@ss 8.127270904
      eCl@ss 9.027270904
      eCl@ss 10.027270904
      eCl@ss 11.027270904
      eCl@ss 12.027270903
      ETIM 5.0EC002719
      ETIM 6.0EC002719
      ETIM 7.0EC002719
      ETIM 8.0EC002719
      UNSPSC 16.090139121528
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    Technical drawings

    WTF12-3P1231
    Connection type
    WTF12-3P1231
    Connection diagram Cd-094
    WTF12-3P1231
    Characteristic curve WTF12-3, 175 mm
    WTF12-3P1231
    Sensing range diagram
    WTF12-3P1231
    Adjustments WTB12-3, WTF12-3, potentiometer
    WTF12-3P1231
    Dimensional drawing WTF12-3, potentiometer
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