Photoelectric Proximity Sensor WTB4FP-21312120ZZZ | Background Suppression | Adjustable Sensing Range | IP66/IP67 Rated | by SICK
The WTB4FP-21312120ZZZ Photoelectric Proximity Sensor is designed for precise object detection in industrial automation. With a sensing range adjustable from 15 mm to 220 mm and a high switching frequency of 1000 Hz, it ensures reliable performance. Its robust IP66/IP67 rated housing protects against dust and water, making it ideal for manufacturing and packaging applications.
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Alternatively Known As: Photoelectric Proximity Sensor, Background Suppression Sensor, SICK Proximity Sensor, WTB4FP Sensor
Technical Specifications
- Functional principle: Photoelectric proximity sensor with background suppression
- Sensing range: 4 mm to 220 mm, adjustable switching threshold 15 mm to 220 mm
- Recommended sensing range for best performance: 40 mm to 140 mm
- Light source: PinPoint LED, visible red light, wavelength 635 nm
- Light spot size: Ø 4.2 mm at 130 mm distance
- LED risk group: Free group according to EN 62471
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: ≤ 25 mA without load at 24 V
- Output type: Push-pull PNP/NPN, dark switching
- Output current max: ≤ 100 mA
- Response time: ≤ 500 µs
- Switching frequency: 1000 Hz
- Protection class: III
- Enclosure rating: IP66 and IP67
- Operating temperature: -40 °C to +60 °C
- Storage temperature: -40 °C to +75 °C
- Shock resistance: 30 g, 11 ms
- Vibration resistance: 10 Hz to 1000 Hz, amplitude 1 mm
- Connection: M8, 3-pin connector
- Housing material: Plastic VISTAL®
- Front screen material: Plastic PMMA
- Dimensions (H x L x W): 40mm x 12mm x 16mm
- Weight: 0.1 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Adjustable sensing range from 15 mm to 220 mm
- PinPoint LED visible red light with 635 nm wavelength
- Smallest detectable object size of 0.2 mm at 130 mm distance
- High switching frequency of 1000 Hz and fast response time ≤ 500 µs
- IP66 and IP67 rated for dust and water protection
- Robust plastic VISTAL® housing with flat design
- BluePilot for easy sensing range adjustment
- LED indicators for sensing range, power, and object detection status
Professional Installation Requirements
- Installation by a qualified technician or electrician is recommended to ensure proper sensor setup and electrical safety compliance.
Applications
- Industrial automation for object detection
- Manufacturing process control
- Packaging and material handling systems
- Robotics and safety 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 operation with low current consumption (≤ 25 mA)
- Durable IP66/IP67 housing minimizes environmental damage and extends product lifespan
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK WTB4FP-21312120ZZZ Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
