Sick WL12G-3P2582S04 Photoelectric Sensor
The Sick WL12G-3P2582S04 is a retro-reflective photoelectric sensor with 4 m sensing range, infrared light, and PNP output operation. This Sick photoelectric sensor operates on 10–30 V DC, supports 1,500 Hz switching frequency, features polarisation filters, and belongs to the W12 series used in industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WL12G-3P2582S04 |
Sick WL12G-3P2582S04 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | - |
| Sensing range max. | 0 m ... 4 m |
| Sensing range | - |
| Polarisation filters | Yes |
| Light source | LED |
| Type of light | Infrared light |
| Light spot size (distance) | Ø 25 mm (1.5 m) |
| Wave length | 850 nm |
| Adjustment | Cable, Single teach-in button |
| Angle of dispersion | - |
| Special applications | Detecting transparent objects |
| Items supplied | Further details can be found in the operating instructions 8015091 |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 40 mA |
| Protection class | III |
| Digital Output type | PNP 4) |
| Switching mode | Light switching 4) |
| Signal voltage PNP HIGH/LOW | Approx. VS – 2.5 V / 0 V |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 600 µs 5) |
| Switching frequency | 1,500 Hz 5) |
| Output function | - |
| Special feature | Detecting transparent objects |
| Housing | Rectangular |
| Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Connection | Male connector M12, 5-pin |
| Housing material | Metal, zinc diecast |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66, IP67 |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 120 g |
The WL12G-3P2582S04 Sick 600 µs Retro-reflective Sensor is a Sick photoelectric sensor designed for optical detection in industrial automation systems. This model uses a retro-reflective sensing principle with 4 m maximum sensing range, infrared LED at 850 nm, and PNP digital output. Operating on 10–30 V DC with defined response behavior, the WL12G-3P2582S04 belongs to the Sick W12 series commonly used in automated equipment.
The WL12G-3P2582S04 Sick 600 µs Retro-reflective Sensor is applied in conveyors, packaging machinery, automated assembly lines, and material handling systems. Its 600 µs response time and 1,500 Hz switching frequency support stable detection of transparent and reflective objects. Polarisation filters and focused optical characteristics help maintain consistent output, while the metal housing supports operation in demanding industrial environments.
The WL12G-3P2582S04 from Sick provides defined sensing performance for continuous industrial use. With retro-reflective detection, infrared light emission, and IP-rated enclosure protection, this Sick photoelectric sensor supports reliable operation in automation systems. As part of the W12 series, the WL12G-3P2582S04 is suitable for installations requiring electrical stability, environmental resistance, and repeatable detection across production processes.

