Sick WL12-3P2431 Photoelectric Sensor
The Sick WL12-3P2431 photoelectric sensor features 7 m sensing range, retro-reflective detection, PNP output, and IP69K protection for industrial sensing applications. This WL12-3P2431 Sick 7m Retro-reflective Sensor operates with visible red LED light, 640 nm wavelength, 1,500 Hz switching frequency, ≤ 330 µs response time, 10–30 V DC supply, metal housing, and M12 4-pin connector, available under Sick, categorized within Sick Photoelectric Sensors, and part of the W12 series for industrial detection tasks.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WL12-3P2431 |
Sick WL12-3P2431 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Autocollimation |
| Sensing range max. | 0 m ... 7 m |
| Sensing range | 0 m ... 5 m |
| Polarisation filters | Yes |
| Light source | LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 100 mm (3 m) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns |
| Angle of dispersion | Approx. 1.5° |
| Special applications | - |
| Items supplied | 2 x clamps BEF-KH-W12, incl. screws |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | > Uv - 3 V / ca. 0 V |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 330 µs 4) |
| Switching frequency | 1,500 Hz 5) |
| Output function | Complementary |
| Special feature | - |
| Housing | Rectangular |
| Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Connection | Male connector M12, 4-pin |
| Housing material | Metal |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66, IP67, IP69K |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 120 g |
WL12-3P2431 Sick 7m Retro-reflective Sensor refers to the Sick WL12-3P2431 photoelectric sensor designed for industrial automation detection. It provides 7 m sensing range, retro-reflective principle, PNP digital output, and IP69K enclosure rating. This model belongs to the W12 series and operates using visible red LED light with autocollimation. Sick WL12-3P2431 ensures stable detection performance across industrial environments where reliable sensing is required.
In industrial applications, the Sick WL12-3P2431 photoelectric sensor is used in conveyors, packaging systems, assembly lines, and material handling processes. The retro-reflective detection enables consistent object sensing over longer distances, reducing detection errors. Its stable output signal supports reliable system operation, while the fast response time ensures performance in high-speed processes. The robust construction and high enclosure rating allow operation in dust, moisture, and washdown environments.
The WL12-3P2431 Sick 7m Retro-reflective Sensor, identified as Sick WL12-3P2431, delivers consistent sensing performance for industrial automation. With compact rectangular housing, metal construction, and wide operating temperature range, it fits demanding applications. As part of the W12 series, it aligns with similar models for compatibility and integration. Sick WL12-3P2431 provides stable detection, making it suitable for engineers requiring repeatable and reliable sensing performance.
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