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SICK WTB27-3N2413 Overview

Photoelectric proximity switch WTB27-3N2413 Infrared light, NPN, plug M12, 4 pins, Easy Teach-in

SICK WTB27-3N2413 Description

  • Precise background suppression with no scanning distance drift
  • PinPoint technology: light-intensive red emitter LED with homogenous light spot
  • Reliable operation in industrial environments - with ambient light, optical reflections and when devices are mounted opposite one another
  • Scanning distance setting with potentiometer or easy teach-in
  • Operating temperature: -40 C +60 C
  • UL approval
  • Your benefits

  • Very precise detection with no scanning distance drift in case of vibrations
  • PinPoint technology can replace laser photoelectric proximity sensors in some applications, eliminating the need for laser safety measures, and the service life of the PinPoint LED is double that of conventional laser diodes
  • Less downtime due to ASIC chip technology by SICK
  • Reliable in operation with ambient light, optical reflections, and when devices are mounted opposite one another
  • Reduces setup costs e.g. in case of format adjustment by IO-Link sensor communication interface
  • Highly stable housing due to offset fixing holes
  • For use at temperatures as low as 40 C

Dimensions (W x H x D)::24.6 mm x 80.6 mm x 54 mm
Sensing range max.: 30 mm ... 1,600 mm
Sensing range: 100 mm ... 1,600 mm
Light source:LED 2)
Type of light:Infrared light
Wave length:880 nm
Light spot diameter (distance):25 mm (800 mm)
Adjustment of operating distance:manual, via double teach button
1) Object with 90 % reflectance (referred to standard white DIN 5033) 2) Average service life 100,000 h at Ta = +25 C
Enclosure rating:IP 66
IP 67
Supply voltage:10 V DC ... 30 V DC 1)
Residual ripple:≤ 5 Vpp 2)
Power consumption:≤ 40 mA 3)
Switching output:NPN, light/dark-switching, Complementary
Output current Imax.:≤ 100 mA
Response time:≤ 1.5 ms 4)
Switching frequency:350 Hz with light/dark ratio 1:1
Connection type:Connector M12, 4-pin
Number of cores:4
Protection class:


Circuit protection:A
C 6) 7) 8)
Weight:100 g
Housing material:ABS
Optics material:PMMA
Ambient temperature, operation:-40 C ... 60 C
Ambient temperature, storage:-40 C ... 75 C
Signal voltage NPN HIGH / LOW:approx. VS / < 2.5 V
1) Limit values, operation in short-circuit protected network max. 8 A 2) May not exceed or fall short of VS 3) Without load 4) Signal transit time with resistive load 5) Reference voltage 50 V DC 6) A = VS connections reverse-polarity protected 7) B = inputs and output reverse-polarity protected 8) C = interference suppression

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