Compact photoelectric sensors
W280-2

WTE280-2N4331
6044725
Items included: BEF-W280 (1)
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    • Features
      Device typePhotoelectric sensors
      Sensor/ detection principlePhotoelectric proximity sensor, Energetic
      Dimensions (W x H x D)23.5 mm x 74.5 mm x 63 mm
      Housing design (light emission)Rectangular
      Sensing range max.10 mm ... 2,000 mm 1)
      Sensing range10 mm ... 1,500 mm
      Type of lightVisible red light
      Light sourceLED 2)
      Light spot size (distance)Ø 45 mm (1,500 mm)
      AdjustmentPotentiometer
      adjustable via sensing range adjustment
      • 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 consumption20 mA 3)
      Switching outputNPN
      Switching modeLight/dark switching
      Switching mode selectorSelectable via light/dark rotary switch
      Output current Imax.≤ 100 mA
      Response time≤ 0.5 ms 4)
      Switching frequency1,000 Hz 5)
      Connection typeCable gland
      Circuit protection

      A 6)

      B 7)

      C 8)

      D 9)

      Protection classIII
      Weight150 g
      Housing materialPlastic, ABS
      Optics materialPlastic, PMMA
      Enclosure rating

      IP66

      IP67

      Items suppliedMounting bracket BEF-W280
      Electromagnetic compatibility (EMC)EN 60947-5-2 10)
      Ambient operating temperature–25 °C ... +55 °C
      Ambient temperature, storage–40 °C ... +70 °C
      UL File No.NRKH2.E300503 & NRKH8.E300503
      • 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) B = inputs and output reverse-polarity protected.
      • 8) C = interference suppression.
      • 9) D = outputs overcurrent and short-circuit protected.
      • 10) The AC/DC devices (-2Rxxxx only) comply with the Radio Safety Requirements for the industrial sector (Radio Safety Class A). They may cause radio interference if used in a residential area.
    • Safety-related parameters
      MTTFD1,436 years
      DCavg0 %
    • Classifications
      ECl@ss 5.027270903
      ECl@ss 5.1.427270903
      ECl@ss 6.027270903
      ECl@ss 6.227270903
      ECl@ss 7.027270903
      ECl@ss 8.027270903
      ECl@ss 8.127270903
      ECl@ss 9.027270903
      ECl@ss 10.027270904
      ECl@ss 11.027270904
      ETIM 5.0EC001821
      ETIM 6.0EC001821
      ETIM 7.0EC002719
      ETIM 8.0EC002719
      UNSPSC 16.090139121528

    Technical drawings

    WTE280-2N4331
    Connection diagram Cd-207
    WTE280-2N4331
    Characteristic curve WTE280-2
    WTE280-2N4331
    Sensing range diagram WTE280-2
    WTE280-2N4331
    Adjustments
    WTE280-2N4331
    Dimensional drawing WTE280-2, WL280-2, DC
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