SCHNAP Logo

Making Trade Life Easy!
Trade Discount 20%

Photoelectric Retro-Reflective Sensor | 4m Sensing Range | Polarisation Filter | IP66/IP67/IP69K Rated | by SICK

BRAND: SICK
SKU: 1043879
$790.40 List price: $993.50
+
The Photoelectric Retro-Reflective Sensor WL12G-3O2431S51 is designed for precise object detection in industrial automation. With a sensing range of up to 4 meters and a polarisation filter for improved detection of transparent objects, this sensor operates efficiently in temperatures from -40°C to +60°C. Its robust metal housing ensures durability, making it ideal for safety and control systems in demanding environments.

Product Name/Title: Photoelectric Retro-Reflective Sensor | 4m Sensing Range | Polarisation Filter | IP66/IP67/IP69K Rated | by SICK

Brand: SICK

SKU: 1043879

Alternatively Known As: Photoelectric Sensor, Retro-Reflective Sensor, Object Detection Sensor, Transparent Object Sensor

Technical Specifications
  • Functional principle: Photoelectric retro-reflective sensor
  • Sensing range max: 0 m to 4 m without reflector
  • Polarisation filter included
  • Light source: LED, visible red light, wavelength 640 nm
  • Light spot size: Ø 25 mm at 1.5 m distance
  • Adjustment: Potentiometer with 11 turns
  • Angle of dispersion: Approx. 1.5°
  • Supply voltage: 10 V DC to 30 V DC
  • Output type: PNP, light/dark switching
  • Output current max: ≤ 100 mA
  • Response time: ≤ 330 µs
  • Switching frequency: 1,500 Hz
  • Circuit protection: Types A, C, D
  • Housing: Metal, zinc diecast
  • Front screen: Plastic, PMMA
  • Connection: Male connector M12, 4-pin
  • Enclosure rating: IP66, IP67, IP69K
  • Operating temperature: -40 °C to +60 °C
  • Storage temperature: -40 °C to +75 °C
  • Dimensions (H x L x W): 49mm x 42mm x 16mm
  • Weight: 0.12 kg
Key Features
  • Photoelectric retro-reflective sensor with autocollimation/coaxial optics
  • Sensing range up to 4 meters without reflector
  • Polarisation filter for improved detection
  • Visible red LED light source with 640 nm wavelength
  • Potentiometer adjustment with 11 turns
  • Detects transparent objects
  • High switching frequency of 1,500 Hz
  • Robust metal zinc diecast housing with IP66, IP67, IP69K protection ratings
  • Operating temperature range from -40°C to +60°C
Professional Installation Requirements
  • Installation should be performed by a qualified technician or electrician to ensure proper setup and compliance with electrical standards.
Applications
  • Industrial automation for object detection
  • Detecting transparent objects in manufacturing
  • Safety and control systems requiring precise sensing
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Energy-efficient LED light source reduces power consumption
  • Durable metal housing extends product lifespan, reducing waste
Warranty Information

Standard manufacturer warranty applies; please refer to SICK for specific terms.

Available Now

The SICK WL12G-3O2431S51 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.