SCHNAP Logo

Making Trade Life Easy!
Trade Discount 20%

Photoelectric Retro-Reflective Sensor WL12-3N1141 | 7m Sensing Range | NPN Output | IP66/IP67/IP69K Rated | by SICK

BRAND: SICK
SKU: 1041447
$578.60 List price: $727.30
+
The Photoelectric Retro-Reflective Sensor WL12-3N1141 is designed for industrial automation, offering a sensing range of up to 7 meters without a reflector. With a visible red LED light source and robust metal housing, it ensures reliable object detection and safety monitoring in manufacturing processes. Ideal for material handling and packaging systems, this sensor features a high switching frequency of 1,500 Hz and a quick response time of ≤ 330 µs.

Product Name/Title: Photoelectric Retro-Reflective Sensor WL12-3N1141 | 7m Sensing Range | NPN Output | IP66/IP67/IP69K Rated | by SICK

Brand: SICK

SKU: 1041447

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

Technical Specifications
  • Functional principle: Photoelectric retro-reflective sensor without reflector minimum distance
  • Sensing range max: 0 m to 7 m
  • Sensing range: 0 m to 5 m
  • Light source: LED, visible red light
  • Light spot size at 3 m: Ø 100 mm
  • Wavelength: 640 nm
  • Adjustment: Potentiometer, 5 turns
  • Angle of dispersion: Approx. 1.5°
  • Supply voltage: 10 V DC to 30 V DC
  • Ripple: < 5 V pp
  • Current consumption: 40 mA
  • Protection class: III
  • Digital output: NPN, light/dark switching
  • Signal voltage NPN HIGH/LOW: Approx. VS / < 2.5 V
  • Output current max: ≤ 100 mA
  • Response time: ≤ 330 µs
  • Switching frequency: 1,500 Hz
  • Output function: Complementary
  • Circuit protection: A, C, D
  • Housing: Metal
  • Connection: Cable, 4-wire, 2 m
  • Material front screen: Plastic, PMMA
  • Cable material: Plastic, PVC
  • 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: 0.2 kg
Key Features
  • Photoelectric retro-reflective sensor with autocollimation/coaxial optics
  • Sensing range up to 7 meters without reflector
  • Visible red LED light source with 640 nm wavelength
  • Potentiometer adjustment with 5 turns
  • Approximate 1.5° angle of dispersion
  • Robust metal housing with IP66, IP67, and IP69K protection ratings
  • Light/dark switching mode with NPN output
  • High switching frequency of 1,500 Hz and response time ≤ 330 µs
  • Includes 2 clamps BEF-KH-W12 with screws
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 packaging 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 for specific warranty terms.

Available Now

The SICK WL12-3N1141 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and safety applications.