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Photoelectric Proximity Sensor | Background Suppression | Adjustable Sensing Range | IP67 Rated | by SICK

BRAND: SICK
SKU: 1136809
$662.10 List price: $832.30
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The Photoelectric Proximity Sensor GTB20M-3411116GZZZ features background suppression and an adjustable sensing range from 0.005 m to 3 m, making it ideal for industrial automation and safety detection applications. With a robust IP67 rated housing and a fast response time of ≤ 1.67 ms, this sensor ensures reliable performance in harsh environments, perfect for material handling and robotics.
Technical Specifications
  • Functional principle: Photoelectric proximity sensor with background suppression
  • Sensing range: 0.005 m to 3 m adjustable
  • Light source: Infrared LED, wavelength 850 nm
  • Light spot size: Ø 28 mm at 500 mm distance
  • Response time: ≤ 1.67 ms
  • Switching frequency: 300 Hz
  • Supply voltage: 10 V DC to 30 V DC
  • Current consumption: ≤ 30 mA at 24 V AC/DC
  • Output type: 2 complementary push-pull outputs (PNP/NPN)
  • Protection class: III
  • Enclosure rating: IP67
  • Operating temperature: -30 °C to +60 °C
  • Storage temperature: -40 °C to +70 °C
  • Housing material: Plastic ABS
  • Cable: 4-pin M12 male connector, 315 mm length
  • Dimensions (H x L x W): 74.5mm x 63mm x 23.5mm
  • Weight: 0.121 kg
Key Features
  • Photoelectric proximity sensor with background suppression
  • Adjustable sensing range from 0.005 m to 3 m
  • Infrared LED light source with rectangular light spot
  • High accuracy with minimum distance of 200 mm between object and background
  • LED indicators for power and object detection status
  • Robust plastic ABS housing with IP67 rating for harsh environments
  • Short response time of ≤ 1.67 ms and switching frequency up to 300 Hz
  • Multiple potentiometers for sensing range, delay time, and switching function adjustment
  • Protection against reverse polarity, overcurrent, and short circuits
Professional Installation Requirements
  • Installation by qualified personnel is recommended to ensure proper wiring, configuration, and compliance with safety standards.
Applications
  • Industrial automation for object detection
  • Material handling and packaging systems
  • Safety and presence detection in manufacturing lines
  • Robotics and conveyor systems
Standards & Compliance
  • AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
  • Long LED service life of 100,000 hours reduces waste and replacement frequency
  • Energy-efficient LED technology minimizes power consumption
  • Durable IP67 rated housing reduces environmental damage and extends product lifespan
Warranty Information

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

Available Now

The SICK GTB20M-3411116GZZZ Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety detection applications.