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Photoelectric Proximity Sensor WTB9-3P2281 | Background Suppression | IP66/IP67/IP69K Rated | by SICK
The WTB9-3P2281 Photoelectric Proximity Sensor is designed for precise object detection in industrial automation, featuring a sensing range of 20 mm to 170 mm and a high switching frequency of 1,500 Hz. With its robust IP66/IP67/IP69K rating and energy-efficient LED light source, this sensor is perfect for manufacturing process control and packaging systems, ensuring reliable performance in challenging environments.
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Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range max.: 20 mm to 200 mm
- Sensing range typical: 20 mm to 170 mm
- Type of light: Visible blue light (450 nm wavelength)
- Light source: LED
- Light spot size at 75 mm distance: 3 mm x 3 mm
- Adjustment: Potentiometer, 5 turns
- Supply voltage: 10 V DC to 30 V DC
- Ripple: < 5 V pp
- Current consumption: 30 mA
- Switching output: PNP, 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
- UL File No.: NRKH.E181493
- 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 blue light emission
- Sensing range from 20 mm to 170 mm
- LED light source with 450 nm wavelength
- Potentiometer adjustment with 5 turns
- High switching frequency of 1,500 Hz
- IP66, IP67, and IP69K rated for robust protection
- Operating temperature range from -40 °C to +60 °C
- Plastic VISTAL® housing and PMMA optics material
Professional Installation Requirements
- Installation by a qualified electrician or trained technician is recommended to ensure proper wiring and compliance with safety standards.
Applications
- Industrial automation for object detection
- Manufacturing process control
- Packaging and material handling systems
- Robotics and safety 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 LED light source reduces power consumption
- Durable IP69K rated housing minimizes environmental damage and waste
- Long operational lifetime reduces replacement frequency and waste
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK WTB9-3P2281 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and manufacturing applications.
