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Photoelectric Proximity Sensor WTB4FP-21A11120ZZZ | Background Suppression | Adjustable Sensing Range | IP66/IP67 Rated | by SICK
The WTB4FP-21A11120ZZZ Photoelectric Proximity Sensor is designed for precise object detection in industrial automation. With a sensing range of 4 mm to 220 mm and an adjustable switching threshold, it ensures reliable performance in various applications. Featuring a robust IP66/IP67 rated housing and a PinPoint LED light source, this sensor is perfect for manufacturing process control and robotics, providing high switching frequency and fast response times.
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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
- Light source: PinPoint LED, visible red light, wavelength 635 nm
- Smallest detectable object: 0.2 mm at 130 mm distance
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: ≤ 25 mA without load at 24 V
- Output type: 1 PNP digital output, light switching mode
- Output current max: ≤ 100 mA
- Response time: ≤ 500 µs, switching frequency up to 1,000 Hz
- Protection class: III
- Housing material: Plastic VISTAL®, front screen PMMA
- Connection: M8, 3-pin connector
- Enclosure rating: IP66 and IP67
- Operating temperature: -40 °C to +60 °C
- Shock resistance: 30 g, 11 ms
- Vibration resistance: 10 Hz to 1,000 Hz, amplitude 1 mm
- EMC compliance: EN 60947-5-2
- Circuit protection: Reverse polarity, overcurrent, short-circuit protected
- Dimensions (H x L x W): 40mm x 12mm x 16mm
- Weight: 0.1 kg
Key Features
- Photoelectric proximity sensor with background suppression
- Adjustable switching threshold from 15 mm to 220 mm
- Sensing range from 4 mm to 220 mm, recommended 40 mm to 140 mm
- PinPoint LED light source with visible red light at 635 nm wavelength
- Smallest detectable object size approximately 0.2 mm
- BluePilot for easy sensing range adjustment
- LED indicators for sensing range, power, and object detection status
- High switching frequency up to 1,000 Hz with fast response time ≤ 500 µs
- Robust plastic VISTAL® housing with IP66/IP67 protection rating
- Wide ambient operating temperature range from -40 °C to +60 °C
- Resistance to cleaning agents certified by ECOLAB
- Shock resistance 30 g and vibration resistance 10 Hz to 1,000 Hz
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical and sensor systems to ensure proper setup and safety compliance.
Applications
- Industrial automation for object detection
- Manufacturing process control
- Packaging and material handling systems
- Robotics and safety systems requiring precise sensing
Standards & Compliance
- Complies with 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 construction minimizes environmental impact through extended product lifespan
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WTB4FP-21A11120ZZZ Photoelectric Proximity Sensor is available for immediate purchase, ideal for industrial automation and precise object detection applications.
