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Photoelectric Proximity Sensor WTB12-3P2431 | Background Suppression | IP66/IP67/IP69K Rated | 20mm to 350mm Sensing Range | by SICK
The WTB12-3P2431 Photoelectric Proximity Sensor is designed for industrial automation, featuring a sensing range of 20 mm to 350 mm and a robust IP66/IP67/IP69K rating for harsh environments. With a visible red LED light source and a high switching frequency of 1,500 Hz, this sensor ensures reliable object detection and safety monitoring in manufacturing and material handling applications.
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Alternatively Known As: Photoelectric proximity sensor, Background suppression sensor, PNP proximity switch, Industrial photo sensor
Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range: 20 mm to 350 mm
- Light source: LED, visible red light, wavelength 640 nm
- Light spot size: Ø 6 mm at 200 mm distance
- Adjustment: Potentiometer, 5 turns
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: 45 mA
- Output type: PNP digital output, light/dark switching
- Output current max: ≤ 100 mA
- Response time: ≤ 330 µs
- Switching frequency: 1,500 Hz
- Housing material: Metal with plastic PMMA front screen
- Connection: Male M12, 4-pin connector
- Protection class: III
- Enclosure rating: IP66, IP67, IP69K
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Dimensions (H x L x W): 49mm x 42mm x 16mm
- Weight: 0.12 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Sensing range from 20 mm to 350 mm
- Visible red LED light source with 640 nm wavelength
- Potentiometer adjustment with 5 turns
- High switching frequency of 1,500 Hz
- Robust metal housing with plastic PMMA front screen
- Protection rating IP66, IP67, IP69K for harsh environments
- Operating temperature range from -40 °C to +60 °C
- Digital PNP output with light/dark switching mode
- Response time ≤ 330 µs
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
- Long service life minimizes waste and replacement frequency
- Robust design reduces environmental impact from frequent replacements
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WTB12-3P2431 Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and safety applications.
