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Photoelectric sensorsW4, WTB4SL-3P3161Sensing range max.: 25 mm ... 300 mmFunctional principle: Photoelectric proximity sensorFunctional principle detail: Background suppressionSwitching output: PNPSwitching mode: Light switchingConnection type: Cable with connector M8, 3-pinLight source: LaserType of light: Visible red lightLaser class: 1Housing material: NovodurAdjustment: PotentiometerHousing: Rectangular

Photoelectric sensors
W4, WTB4SL-3P3161
Sensing range max.: 25 mm ... 300 mm
Functional principle: Photoelectric proximity sensor
Functional principle detail: Background suppression
Switching output: PNP
Switching mode: Light switching
Connection type: Cable with connector M8, 3-pin
Light source: Laser
Type of light: Visible red light
Laser class: 1
Housing material: Novodur
Adjustment: Potentiometer
Housing: Rectangular

Functional principlePhotoelectric proximity sensor
Functional principle detailBackground suppression
Sensing range max.25 mm ... 300 mm 1)
Sensing range25 mm ... 300 mm 1)
Emitted beam
Light sourceLaser 2)
Type of lightVisible red light
Light spot size (distance)Ø 1 mm (170 mm)
Key laser figures
Normative referenceEN 60825-1:2014, IEC 60825-1:2014 / CDRH 21 CFR 1040.10 & 1040.11
Laser class1
Wave length650 nm
AdjustmentPotentiometer, 5 turns
Special applicationsDetecting small objects
Mounting holeM3

1) Object with 90% remission (based on standard white, DIN 5033).

2) Average service life: 50,000 h at TU = +25 °C.

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