Small photoelectric sensors
W18-3

WT18-3N110
Illustration may differ
WT18-3N110
1025891
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    • Features
      Sensor/ detection principlePhotoelectric proximity sensor, Background suppression
      Dimensions (W x H x D)17.6 mm x 75.5 mm x 33.5 mm
      Housing design (light emission)Rectangular
      Sensing range max.10 mm ... 700 mm 1)
      Sensing range50 mm ... 700 mm 1)
      Type of lightInfrared light
      Light sourceLED 2)
      Light spot size (distance)Ø 20 mm (400 mm)
      Wave length870 nm
      AdjustmentPotentiometer, 4 turns
      • 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
      • 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 consumption55 mA 3)
      Switching outputNPN
      Output functionComplementary
      Switching modeLight/dark switching
      Output current Imax.100 mA
      Response time< 700 µs 4)
      Switching frequency700 Hz 5)
      Connection typeCable, 4-wire, 2 m 6)
      Cable materialPVC
      Circuit protection

      A 7)

      C 8)

      D 9)

      Weight120 g
      Housing materialPlastic, ABS
      Optics materialPlastic, PMMA
      Enclosure ratingIP67
      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.
    • 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
      ETIM 5.0EC002719
      ETIM 6.0EC002719
      ETIM 7.0EC002719
      UNSPSC 16.090139121528
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    Technical drawings

    WT18-3N110
    Connection diagram Cd-094
    WT18-3N110
    Characteristic curve WT18-3, infrared, 700 mm
    WT18-3N110
    Sensing range diagram WT18-3, infrared, 700 mm
    WT18-3N110
    Adjustments Potentiometer
    WT18-3N110
    Dimensional drawing WT18-3, potentiometer
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