Sick WL12-3P2461 Photoelectric Sensor
The Sick WL12-3P2461 is a retro-reflective photoelectric sensor with 1.3 m sensing range, red LED light, and PNP output. This Sick photoelectric sensor operates on 10–30 V DC, supports 1,500 Hz switching frequency, uses focused optics, and belongs to the W12 series for industrial automation applications.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WL12-3P2461 |
Sick WL12-3P2461 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | Autocollimation |
| Sensing range max. | 0 m ... 2 m |
| Sensing range | 0 m ... 1.3 m |
| Polarisation filters | - |
| Light source | LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 2 mm (90 mm) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns |
| Angle of dispersion | Approx. 5° |
| Special applications | Detecting small objects |
| 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 | Focused optics |
| 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 WL12-3P2461 Sick 1.3m Retro-reflective Sensor is a Sick photoelectric sensor designed for precise detection of small objects in industrial automation. This model uses a retro-reflective operating principle with 1.3 m sensing range, visible red LED at 640 nm, and PNP digital output. Operating on 10–30 V DC with low current consumption, the WL12-3P2461 belongs to the Sick W12 series commonly deployed in automated production environments.
The WL12-3P2461 Sick 1.3m Retro-reflective Sensor is used in conveyors, packaging lines, assembly stations, and material handling systems. Its 330 µs response time and 1,500 Hz switching frequency enable stable detection of fast-moving or small targets. The focused optics and autocollimation principle help maintain reliable signal output, while the metal housing and high enclosure ratings support consistent performance in harsh industrial conditions.
The WL12-3P2461 from Sick delivers defined sensing behavior with durable construction for long-term industrial use. With retro-reflective detection, visible red light emission, and IP-rated protection, this Sick photoelectric sensor supports dependable operation in demanding automation systems. As part of the W12 series, the WL12-3P2461 is suitable for installations where electrical stability, environmental resistance, and repeatable detection are required across continuous industrial processes.
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