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Photoelectric Proximity Sensor WTB9L-3N1191 Background Suppression 25mm to 400mm Sensing Range SICK

BRAND: SICK
SKU: 1068515
$856.90 List price: $1,077.00
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The WTB9L-3N1191 photoelectric proximity sensor is designed for industrial automation, featuring a sensing range of 25 mm to 400 mm and a visible red laser light
Technical Specifications
  • Functional principle: Photoelectric proximity sensor with background suppression
  • Sensing range: 25 mm to 400 mm
  • Light source: Visible red laser, 650 nm wavelength
  • Laser class: 2 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
  • Adjustment: Potentiometer, 5 turns
  • Supply voltage: 10 V DC to 30 V DC
  • Current consumption: 30 mA
  • Switching output: NPN, complementary
  • Switching mode: Light/dark switching
  • Output current max: ≤ 100 mA
  • Response time: ≤ 1 ms
  • Switching frequency: 500 Hz
  • Connection type: 4-wire cable, 2 m length, PVC material
  • Protection class: III
  • Enclosure rating: IP66, IP67, IP69K
  • Operating temperature: -30 °C to +55 °C extended range
  • Housing material: Plastic, VISTAL®
  • Optics material: Plastic, PMMA
  • Weight: 13 g
  • Dimensions (H x L x W): 49.8mm x 23.6mm x 12.2mm
  • Weight: 0.1 kg
Key Features
  • Photoelectric proximity sensor with background suppression
  • Visible red laser light source with 650 nm wavelength
  • Sensing range from 25 mm to 400 mm
  • Rectangular housing design with M3 mounting hole
  • Potentiometer adjustment with 5 turns
  • Light/dark switching mode with complementary NPN output
  • High switching frequency of 500 Hz and response time ≤ 1 ms
  • Robust plastic VISTAL® housing with IP66, IP67, and IP69K protection ratings
  • Wide ambient operating temperature range from -30 °C to +55 °C
  • Cable connection with 4-wire, 2 m PVC cable
  • Laser class 2 compliant with IEC 60825-1 standards
Professional Installation Requirements
  • Installation should be performed by a qualified technician or electrician to ensure proper wiring, alignment, and compliance with safety standards.
Applications
  • Industrial automation for detecting small objects
  • Manufacturing process control
  • Material handling and packaging systems
  • Quality control and inspection systems
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
  • Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
  • Energy-efficient sensor operation reduces power consumption in automated systems
  • Durable housing materials extend product lifespan, reducing waste
  • Compliance with China-RoHS and ECOLAB certificates ensures environmentally responsible manufacturing
Warranty Information

Warranty details available upon request from the manufacturer.

Available Now

The SICK WTB9L-3N1191 photoelectric proximity sensor is available for immediate purchase, ideal for industrial automation and object detection applications.

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