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SICK WLG4-3F2132 (1028127)

Product Summary

Photoelectric Reflex Switch for transparent objects, WLG4-3F2132, PNP, dark switching, Teach-In, M8 connector, 3-pin
Manufacturer: Sick
Manufacturer part number: 1028127
SKU: 85571
Weight(kg): 0.0377

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Pricing - Condition Manufacturer New

£98.73 excl VAT
£93.79 excl VAT


  • Fast and reliable setup via teach-in pushbutton
  • Continuous threshold adjustment technology to detect objects in changing conditions such as temperature, contamination and reflector wear
  • Versions without polarizing filters to better detect depolarizing objects such as PET bottles, CD sleeves and shrink-wrapped, glossy objects
  • Your benefits

  • Reliable and quick setting via the push of a button
  • Flat housing design eliminates alignment or mounting brackets, which saves time and money
  • Low-cost machine integration due to small dimensions that enable mounting in areas with space restrictions
  • Quick and easy setup due to highly visible intensive light spot
  • The PinPoint LED's well-defined, intense light spot simplifies alignment
  • Nearly all transparent objects can be reliably detected

Sensor/detection principle:Photoelectric retro-reflective sensor
Dimensions (W x H x D):16 mm x 39.5 mm x 12 mm
Housing design (light emission):Rectangular
Sensing range max.:0.01 m ... 4.5 m 1)
Sensing range:0.02 m ... 3.5 m 2)
Type of light:Visible red light
Light source:PinPoint LED 3)
Wave length:650 nm
Teach-in:Single teach-in button
Light spot size (distance):Ø 75 mm (1.5 m)
Continuous threshold adaption:
1) 2) PL80A  3) Average service life of 100,000 h at TA = +25 °C   
Supply voltage:10 V DC ... 30 V DC 1)
Ripple:< 5 Vpp 2)
Power consumption:≤ 20 mA 3)
Switching output:PNP
Switching mode:Dark-switching
Output current Imax.:≤ 100 mA
Response time:< 0.5 ms 4)
Switching frequency:1,000 Hz 5)
Angle of reception:Ca. 30 °
Attenuation along light beam:> 8 %
Connection type:Connector M8, 3-pin
Circuit protection:A, C, D 6) 7) 8)
Protection class:III
Weight:30 g
Polarisation filter:
Housing material:ABS, Plastic
Optics material:PMMA
Enclosure rating:IP 67
IP 66
Special feature:For transparent objects
Ambient operating temperature:-40 °C ... 60 °C
Ambient storage temperature:-40 °C ... 75 °C
1) Limit values  2) May not exceed or fall short of VS 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  
Products specifications
Sensor Shape Box
Manufacturer category Sick W4
Manufacturer Sick
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