Compact photoelectric sensors
W34

WT34-R220
1019233
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    • Features
      Device typePhotoelectric sensors
      Sensor/ detection principlePhotoelectric proximity sensor, Background suppression
      Dimensions (W x H x D)27 mm x 92 mm x 70 mm
      Housing design (light emission)Rectangular
      Sensing range max.100 mm ... 2,500 mm 1)
      Sensing range100 mm ... 2,500 mm
      Type of lightInfrared light
      Light sourceLED 2)
      Light spot size (distance)Ø 80 mm (2,500 mm)
      AdjustmentPotentiometer
      • 1) Object with 90% remission (based on standard white, DIN 5033).
      • 2) Average service life: 100,000 h at TU = +25 °C.
    • Mechanics/electronics
      Supply voltage20 V AC/DC ... 250 V AC/DC
      Power consumption< 2 VA
      Switching outputRelay, electrically isolated 1)
      Output functionChange-over contacts
      Switching mode

      Light switching 1)

      Dark switching

      Switching mode selectorSelectable via light/dark selector
      Switching current (switching voltage)

      4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 250 V DC

      UL: 4 A @ 250 V AC, general use / 4 A @ 250 V AC, resistive (NO) / 3 A @ 250 V AC, resistive (NC) / 4 A @ 24 V DC, NO, general use / 3 A @ 24 V DC, NC, general use / R300 / B300 (NO contacts only)

      Response time≤ 10 ms
      Switching frequency10 Hz 2)
      Time functions

      On delay

      Off delay

      Adjustable

      Delay timeAdjustable via time delay selector switch, 0.5 s ... 10 s
      Connection typeTerminal connection with M16 gland
      Circuit protection

      A 3)

      C 4)

      Protection classII 5)
      Weight140 g
      Housing materialPlastic, ABS
      Enclosure ratingIP67
      Ambient operating temperature–40 °C ... +60 °C
      Ambient temperature, storage–40 °C ... +75 °C
      UL File No.NRKH.E181493 & NRKH7.E181493
      • 1) Provide suitable spark suppression for inductive or capacitive loads.
      • 2) With light/dark ratio 1:1.
      • 3) A = VS connections reverse-polarity protected.
      • 4) C = interference suppression.
      • 5) Rated voltage: 250 V AC/DC.
    • Safety-related parameters
      MTTFD487 years
      DCavg0 %
      TM (mission time)20 years
      B10d59,123 Switching cycles 1)
      • 1) Only for devices containing electro-mechanical components. In this case, the MTTFD value of the entire device must be calculated from the given B10D value, the number of switching cycles and the given MTTFD value.
    • 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

    WT34-R220
    Connection type
    WT34-R220
    Connection diagram Cd-167
    WT34-R220
    Characteristic curve
    WT34-R220
    Sensing range diagram
    WT34-R220
    Adjustments
    WT34-R220
    Dimensional drawing
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