W12-3 – WTB12-3P2431 Photoelectric Sensors – Small Photoelectric Sensors – SICK Sensor

USD $ 221.76


SICK sensor one of the world’s leading producers of sensors and sensor solutions for industrial applications. SICK is a technology and market leader in Factory and Logistics Automation as well as Process Automation. The sensor range are: Laser Sensors, Cylinder Sensors, Photoelectric Sensors, Fork Sensors, Encoders, Color Sensors, Distance Sensor, Contrast Sensor, Color Sensor, Inductive Proximity Sensors, Fiber Optic Sensor with our signature range sick sensor intelligence.
Part Number:1041411
Photoelectric Sensor Model: WTB12-3P2431
OEM Spec Ref


Sensor/ detection principlePhotoelectric proximity sensor, Background suppression
Dimensions (W x H x D)15.6 mm x 48.5 mm x 42 mm
Housing design (light emission)Rectangular
Sensing range max.20 mm … 350 mm 1)
Sensing range20 mm … 350 mm
Type of lightVisible red light
Light sourceLED 2)
Light spot size (distance)Ø 6 mm (200 mm)
Wave length640 nm
AdjustmentPotentiometer, 5 turns
  • 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
  • 2) Average service life: 100,000 h at TU = +25 °C.



Supply voltage10 V DC … 30 V DC 1)
Ripple< 5 Vpp 2)
Current consumption45 mA 3)
Switching outputPNP
Output functionComplementary
Switching modeLight/dark switching
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)
Connection typeMale connector M12, 4-pin
Circuit protection6)



Protection classIII
Weight120 g
Housing materialMetal
Optics materialPlastic, PMMA
Enclosure ratingIP66



Items supplied2 x clamps BEF-KH-W12, incl. screws
Ambient operating temperature–40 °C … +60 °C
Ambient temperature, storage–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) A = VS connections reverse-polarity protected.
  • 7) C = interference suppression.
  • 8) D = outputs overcurrent and short-circuit protected.


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