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Photoelectric Proximity Sensor WTB9M4-3N2261 Background Suppression IP66 IP67 IP69K Rated (NPN Output) SICK

BRAND: SICK
SKU: 1051885
$565.30 List price: $710.50
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The WTB9M4-3N2261 Photoelectric Proximity Sensor is designed for industrial automation, featuring background suppression and a high switching frequency of 1,500 Hz.

Alternatively Known As: Photoelectric Proximity Sensor, Background Suppression Sensor, Photo Prox Sensor, Industrial Proximity Sensor

Technical Specifications
  • 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: < 0.333 ms
  • Switching frequency: 1,500 Hz
  • Connection type: Male connector M8, 4-pin
  • Circuit protection: Types A, B, C
  • Protection class: III
  • Housing material: Plastic, VISTAL®
  • Optics material: Plastic, PMMA
  • Enclosure rating: IP66, IP67, IP69K
  • Operating temperature: -40 °C to +60 °C
  • Storage temperature: -40 °C to +75 °C
  • Light source: PinPoint LED, 650 nm wavelength
  • Light spot size: Ø 4.5 mm at 75 mm distance
  • Adjustment: Potentiometer, 5 turns
  • 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
  • Rectangular housing design with visible red light emission
  • Sensing range from 20 mm to 350 mm
  • PinPoint LED light source with 650 nm wavelength
  • Adjustment via 5-turn potentiometer
  • High switching frequency of 1,500 Hz
  • Enclosure rating IP66, IP67, and IP69K for robust protection
  • Operating temperature range from -40 °C to +60 °C
  • Plastic housing made of VISTAL® and optics made of PMMA
  • NPN switching output with complementary function
Professional Installation Requirements
  • Installation should be performed by a qualified technician or electrician to ensure proper connection and compliance with electrical safety standards.
Applications
  • Industrial automation for object detection
  • Manufacturing process control
  • Safety and monitoring in machinery
  • Material handling and packaging systems
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Low power consumption with 30 mA current draw
  • Durable design reduces waste and replacement frequency
  • Complies with China RoHS and ECOLAB certificates ensuring environmental safety
Warranty Information

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

Available Now

The SICK WTB9M4-3N2261 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety applications.

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