Small photoelectric sensors
W9

WTB9-3P2211
Illustration may differ
WTB9-3P2211
1049045

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    • Features
      Functional principlePhotoelectric proximity sensor
      Functional principle detailBackground suppression
      Dimensions (W x H x D)12.2 mm x 49.8 mm x 23.6 mm
      Housing design (light emission)Rectangular
      Mounting holeM3
      Sensing range max.20 mm ... 500 mm 1)
      Sensing range20 mm ... 250 mm 2)
      Type of lightInfrared light
      Light sourceLED 3)
      Light spot size (distance)Ø 20 mm (250 mm)
      Wave length850 nm
      AdjustmentPotentiometer, 5 turns
      • 1) Object with 90% remission (based on standard white, DIN 5033).
      • 2) Object with 6% remission (based on standard white, DIN 5033).
      • 3) 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 consumption30 mA 3)
      Switching outputPNP 4)
      Output functionComplementary
      Switching modeLight/dark switching 4)
      Output current Imax.≤ 100 mA 5)
      Response time< 0.5 ms 6)
      Switching frequency1,000 Hz 7)
      Connection typeMale connector M8, 4-pin
      Circuit protection

      A 8)

      B 9)

      C 10)

      Protection classIII
      Weight13 g
      Housing materialPlastic, VISTAL®
      Optics materialPlastic, PMMA
      Enclosure rating

      IP66

      IP67

      IP69K

      Ambient operating temperature–40 °C ... +60 °C
      Ambient temperature, storage–40 °C ... +75 °C
      UL File No.NRKH.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) Q = light switching.
      • 5) At and above Tu 50 °C, a max. load current of Imax. = 50 mA is permitted.
      • 6) Signal transit time with resistive load.
      • 7) With light/dark ratio 1:1.
      • 8) A = VS connections reverse-polarity protected.
      • 9) B = inputs and output reverse-polarity protected.
      • 10) C = interference suppression.
    • Safety-related parameters
      MTTFD896 years
      DCavg0 %
      TM (mission time)20 years
    • 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

    WTB9-3P2211
    Connection type
    WTB9-3P2211
    Connection diagram Cd-084
    WTB9-3P2211
    Characteristic curve WTB9-3, infrared light, 500 mm
    WTB9-3P2211
    Light spot size WTB9-3, infrared light, 500 mm
    WTB9-3P2211
    Sensing range diagram WTB9-3, infrared light, 500 mm
    WTB9-3P2211
    Adjustments Potentiometer
    WTB9-3P2211
    Dimensional drawing WT9-3
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