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Photoelectric Proximity Sensor WTB12-3N1131 | 20mm to 350mm Sensing Range | IP66, IP67, IP69K Rated | by SICK

BRAND: SICK
SKU: 1041418
$814.30 List price: $1,023.40
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The WTB12-3N1131 Photoelectric Proximity Sensor is designed for industrial automation, featuring a sensing range from 20 mm to 350 mm and a robust metal housing with IP66, IP67, and IP69K ratings. With a fast response time of ≤ 330 µs and a high switching frequency of 1,500 Hz, this sensor is perfect for object detection and safety monitoring in manufacturing processes.

Product Name/Title: Photoelectric Proximity Sensor WTB12-3N1131 | 20mm to 350mm Sensing Range | IP66, IP67, IP69K Rated | by SICK

Brand: SICK

SKU: 1041418

Alternatively Known As: Photoelectric sensor, Proximity sensor with background suppression, Industrial proximity sensor, SICK WTB12 sensor

Technical Specifications
  • Functional principle: Photoelectric proximity sensor with background suppression
  • Sensing range: 20 mm to 350 mm
  • Light source: LED, visible red light, wavelength 640 nm
  • Light spot size: Ø 6 mm at 200 mm distance
  • Adjustment: Potentiometer, 5 turns
  • Supply voltage: 10 V DC to 30 V DC
  • Current consumption: 45 mA
  • Protection class: III
  • Output type: NPN digital output, 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 length, 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 proximity sensor with background suppression
  • Sensing range from 20 mm to 350 mm
  • Visible red LED light source with 640 nm wavelength
  • Potentiometer adjustment with 5 turns
  • Robust metal housing with IP66, IP67, and IP69K protection ratings
  • Light/dark switching mode with NPN digital output
  • High switching frequency of 1,500 Hz and fast response time ≤ 330 µs
  • Includes 2 clamps BEF-KH-W12 with screws
Professional Installation Requirements
  • Installation by a qualified electrician or trained technician is recommended to ensure proper wiring and sensor alignment for optimal performance and safety.
Applications
  • Industrial automation for object detection
  • Manufacturing process control
  • Safety and monitoring in machinery
  • Material handling and packaging systems
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Energy-efficient LED light source reduces power consumption
  • Durable metal housing extends product life, reducing waste
  • High ingress protection minimizes environmental damage and maintenance
Warranty Information

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

Available Now

The SICK WTB12-3N1131 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety monitoring applications.