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Photoelectric Proximity Sensor WTB11-2N2431 Background Suppression NPN Output SICK

BRAND: SICK
SKU: 1041378
$440.30 List price: $553.50
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The WTB11-2N2431 Photoelectric Proximity Sensor is designed for industrial automation, featuring background suppression and a sensing range of 20 mm to 350 mm.
Technical Specifications
  • Functional principle: Photoelectric proximity sensor with background suppression
  • Sensing range: 20 mm to 350 mm
  • Light source: LED, visible red light at 640 nm wavelength
  • Light spot size: Ø 6 mm at 200 mm distance
  • Supply voltage: 10 V DC to 30 V DC
  • Current consumption: 40 mA
  • Switching output: NPN complementary
  • Switching mode: Light/dark switching
  • Output current max: ≤ 100 mA
  • Response time: ≤ 2.5 ms
  • Switching frequency: 200 Hz
  • Connection type: Male connector M12, 4-pin
  • Circuit protection: Types A, C, D
  • Protection class: III
  • Housing material: Plastic ABS
  • Optics material: Plastic PMMA
  • Enclosure rating: IP66, IP67, IP69K
  • Operating temperature: -30 °C to +60 °C
  • Storage temperature: -40 °C to +75 °C
  • Weight: 120 g
  • Dimensions (H x L x W): 49mm x 42mm x 16mm
  • Weight: 0.12 kg
Key Features
  • Photoelectric proximity sensor with background suppression
  • Rectangular housing design with visible red light emission
  • Sensing range from 20 mm to 350 mm
  • LED light source with 640 nm wavelength
  • Adjustable potentiometer with 5 turns
  • NPN complementary switching output with light/dark switching mode
  • High switching frequency of 200 Hz and fast response time ≤ 2.5 ms
  • Robust plastic ABS housing with PMMA optics
  • Enclosure rating IP66, IP67, and IP69K for harsh environments
  • Wide ambient operating temperature range from -30 °C to +60 °C
Professional Installation Requirements
  • Installation by a qualified technician or electrician is recommended to ensure proper connection and compliance with safety standards.
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 60950 – Safety of IT and Communication Equipment
Environmental Benefits
  • Energy-efficient LED light source reduces power consumption
  • Durable design minimizes waste and replacement frequency
  • Complies with China-RoHS for reduced hazardous substances
Warranty Information

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

Available Now

The SICK WTB11-2N2431 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety applications.

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