Product Model

WL4SL-3F2234

Manufacturer

sick

Key Features

1High Optical Immunity: Reduces incorrect switching and machine downtime even in challenging light conditions.
2Precise Laser Light Spot: Ensures highly accurate switching behavior for precise object detection.
3Robust Mechanical Design: Withstands shock and vibration, ensuring reliable operation in harsh environments.
4Background Suppression: Minimizes the effect of background reflections, enhancing machine design flexibility.
5IO-Link Compatibility: Facilitates diagnostic performance and reduces complex programming needs.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric retro-reflective sensor	Functional principle detail	Without reflector minimum distance (autocollimation/coaxial optics)
Sensing range max.	0 m ... 12 m	Sensing range	0 m ... 8 m
Polarisation filters	Yes	Emitted beam_Light source	Laser2)
Emitted beam_Type of light	Visible red light	Emitted beam_Light spot size (distance)	Ø 1 mm (500 mm)
Key laser figures_Normative reference	EN 60825-1:2014, IEC 60825-1:2014 / CDRH 21 CFR 1040.10 & 1040.11	Key laser figures_Laser class	1
Key laser figures_Wave length	650 nm	Adjustment	Cable, Single teach-in button
Special applications	Detecting small objects	Mounting hole	M3
Supply voltage UB	10 V DC ... 30 V DC	Ripple	< 5 V
Current consumption	30 mA	Protection class	III
Digital output_Type	PNP4)	Digital output_Switching mode	Dark switching4)
Digital output_Output current Imax.	≤ 100 mA	Digital output_Response time	≤ 0.5 ms5)
Digital output_Switching frequency	1,000 Hz6)	Circuit protection	A7)#!#B8)#!#C9)
Housing	Rectangular	Design detail	Slim
Dimensions (W x H x D)	12.2 mm x 41.8 mm x 17.3 mm	Connection	Male connector M8, 4-pin
Material_Housing	Plastic, Novodur	Material_Front screen	Plastic, PMMA
Weight	100 g

Specifications may be subject to change without notice