The SICK 1041456 corresponds to the WL12G‑3B2531, a compact polarized retro‑reflective photoelectric sensor designed for reliable detection of transparent and reflective objects.

📌 Identification

• Brand: SICK

• Model: WL12G‑3B2531

• Part Number: 1041456

• Type: Polarized Retro‑reflective Photoelectric Sensor

🔧 Technical Specifications

• Sensing Range: 0–4 m (with PL80A reflector)

• Light Source: Visible red LED, 640 nm wavelength

• Light Spot Size: Ø25 mm at 1.5 m

• Switching Frequency: Up to 1,500 Hz

• Response Time: ≤ 330 µs

• Outputs: Selectable PNP/NPN, max 100 mA

• Supply Voltage: 10–30 VDC

• Current Consumption: ~30 mA

• Connection: M12, 5‑pin male connector

• Adjustment: 11‑turn potentiometer

• Housing Material: Die‑cast zinc with PMMA optics

• Protection Class: IP66 / IP67 / IP69K

• Operating Temperature: –40 °C to +60 °C

• Weight: ~120 g

🌍 Applications

• Packaging and bottling lines (detecting transparent bottles, films, or containers)

• Automation systems requiring high‑speed detection

• Industrial environments with washdown or harsh conditions (IP69K protection)

• General object detection where precise alignment and reliable switching are critical

📊 Quick Reference Table