Small photoelectric sensors
W12-3

WTB12-3P2441
1041421
Items included: BEF-KH-W12 (2)
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    • Features
      Device typePhotoelectric sensors
      Functional principlePhotoelectric proximity sensor
      Functional principle detailBackground suppression
      Sensing range max.30 mm ... 175 mm 1)
      Sensing range35 mm ... 100 mm
      Emitted beam
      Light sourceLED 2)
      Type of lightVisible red light
      Light spot size (distance)Ø 2 mm (60 mm)
      Key LED figures
      Wave length660 nm
      AdjustmentPotentiometer, 5 turns
      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
      MTTFD504 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
      ConnectionMale connector M12, 4-pin
      Material
      HousingMetal
      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 5.027270904
      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

    Technical drawings

    WTB12-3P2441
    Connection type
    WTB12-3P2441
    Connection diagram Cd-083
    WTB12-3P2441
    Characteristic curve
    WTB12-3P2441
    Sensing range diagram
    WTB12-3P2441
    Adjustments WTB12-3, WTF12-3, potentiometer
    WTB12-3P2441
    Dimensional drawing WTB12-3, potentiometer
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