Sick WL12-3P2441 Photoelectric Sensor
Sick WL12-3P2441 is a photoelectric sensor with 7 m sensing range, PNP output and 330 µs response time support. This Sick photoelectric sensor from the W12 series uses a retro-reflective autocollimation principle, visible red LED at 640 nm, operates on 10–30 V DC, supports light/dark switching, delivers 1,500 Hz switching frequency, and features IP66/IP67/IP69K protection with an M12 4-pin metal housing.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WL12-3P2441 |
Sick WL12-3P2441 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 | - |
| 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 | - |
| 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 - 2,5 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 |
The WL12-3P2441 Sick 330 µs Response Time Photo Sensor is a retro-reflective photoelectric sensor designed for reliable object detection in industrial automation. It provides a maximum sensing range of 7 m, a PNP digital output, and a 330 µs response time using a visible red LED light source. The sensor operates on 10–30 V DC and belongs to the Sick W12 series, supporting standard automation control systems.
In industrial environments, the WL12-3P2441 Sick 330 µs Response Time Photo Sensor is commonly used on conveyors, packaging machines, automated assembly lines, and material handling systems. The retro-reflective operating principle enables consistent detection across longer distances, while the fast response time supports high-speed processes. Stable switching behavior and compact rectangular housing allow dependable integration into continuous automation applications.
The WL12-3P2441 from Sick combines defined optical performance, electrical stability, and mechanical protection for long-term industrial use. With PNP output compatibility, wide operating temperature tolerance, and high enclosure ratings, it integrates reliably into industrial control panels. As part of the W12 series, this Sick photoelectric sensor meets established industrial automation requirements where consistent sensing and dependable response behavior are required.
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