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Photoelectric Retro-Reflective Sensor | 7m Sensing Range | IP66/IP67/IP69K Rated | by SICK

BRAND: SICK
SKU: 1041441
$578.60 List price: $727.30
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The SICK WL12-3N1131 Photoelectric Retro-Reflective Sensor offers a remarkable sensing range of up to 7 meters with a reflector, making it ideal for industrial automation and safety applications. Featuring a robust metal housing and IP66/IP67/IP69K protection ratings, this sensor ensures reliable performance in challenging environments, while its visible red LED light source enhances detection accuracy.

Product Name/Title: Photoelectric Retro-Reflective Sensor | 7m Sensing Range | IP66/IP67/IP69K Rated | by SICK

Brand: SICK

SKU: 1041441

Alternatively Known As: Photoelectric sensor, Retro-reflective sensor, SICK WL12 sensor, Industrial object sensor

Technical Specifications
  • Functional principle: Photoelectric retro-reflective sensor
  • Sensing range max: 0 m to 7 m with reflector, 0 m to 5 m without reflector
  • Polarisation filter: Yes
  • Light source: LED, visible red light, wavelength 640 nm
  • Light spot size at 3 m: Ø 100 mm
  • Adjustment: Potentiometer, 5 turns
  • Angle of dispersion: Approx. 1.5°
  • Supply voltage: 10 V DC to 30 V DC
  • Current consumption: 40 mA
  • Protection class: III
  • Output type: NPN, light/dark switching
  • Output current max: ≤ 100 mA
  • Response time: ≤ 330 µs
  • Switching frequency: 1,500 Hz
  • Housing material: Metal
  • Front screen: Plastic, PMMA
  • Cable: 4-wire, 2 m, PVC
  • Enclosure rating: IP66, IP67, IP69K
  • Operating temperature: -40 °C to +60 °C
  • Dimensions (H x L x W): 49mm x 42mm x 16mm
  • Weight: 0.2 kg
Key Features
  • Photoelectric retro-reflective sensor with autocollimation/coaxial optics
  • Sensing range up to 7 meters with reflector, 5 meters without
  • Polarisation filter for improved detection reliability
  • Visible red LED light source with 640 nm wavelength
  • Potentiometer adjustment with 5 turns
  • High switching frequency of 1,500 Hz and fast response time ≤ 330 µs
  • Robust metal housing with IP66, IP67, and 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 wiring and compliance with safety standards.
Applications
  • Industrial automation for object detection
  • Safety and monitoring in manufacturing processes
  • Material handling and conveyor systems
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Energy-efficient LED light source reduces power consumption
  • Long service life minimizes waste and replacement frequency
Warranty Information

Standard manufacturer warranty applies; please refer to SICK's official warranty policy.

Available Now

The SICK WL12-3N1131 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and safety applications.