$ 184.00
SICK WTB250-2P2431 photoelectric sensor with background suppression for precise object detection. Compact design, fast response, and reliable industrial performance.
The SICK WTB250-2P2431 photoelectric sensor with background suppression is a compact proximity sensor engineered for accurate object detection in industrial automation. It is designed to reliably detect targets within a defined range while ignoring background reflections, making it suitable for applications where space is limited and precision is essential. Using visible red LED technology, the sensor delivers stable performance across different object colors and surface finishes. Its robust housing and industrial-grade protection ensure consistent operation in harsh environments, supporting dependable machine control and process monitoring in modern production systems.
The SICK WTB250-2P2431 helps reduce false detections caused by reflective or complex backgrounds, improving overall process reliability. Its fast response enables accurate detection on moving conveyors and high-speed machinery, supporting increased productivity. The compact rectangular design simplifies installation in tight mechanical layouts, while flexible switching options allow easy adaptation to different control logic. With a wide operating voltage range and durable construction, the sensor minimizes maintenance requirements and supports long-term, stable operation in packaging, material handling, and automated assembly applications.
Why SICK WTB250-2P2431?
The SICK WTB250-2P2431 is chosen when precision, reliability, and installation flexibility matter most. Its background suppression technology delivers confident detection even in visually complex environments, while the compact housing fits seamlessly into tight machine designs. Fast response, stable optics, and industrial-grade protection make it a dependable sensing solution for engineers who value long-term performance, minimal adjustment effort, and consistent results across changing production conditions.
What problem does it solve?
The SICK WTB250-2P2431 solves the challenge of unreliable object detection caused by reflective surfaces, mixed materials, or cluttered backgrounds. By focusing only on objects within a defined sensing distance, it prevents false signals that can interrupt automation processes. This improves process stability, reduces downtime, and ensures accurate detection on conveyors, assembly stations, and packaging lines where precision directly impacts productivity and product quality.
| Feature | Details | Benefit |
|---|---|---|
| Detection Principle | Background suppression | Prevents false switching caused by reflective or distant backgrounds |
| Sensing Range | 100 mm to 300 mm | Ideal for short- to mid-range detection with high accuracy |
| Light Source | Visible red LED | Easy alignment and stable detection across various object colors |
| Light Spot Size | Ø 30 mm at 300 mm | Ensures reliable detection of small to medium-sized objects |
| Angle of Dispersion | Approx. 3° | Focused sensing zone improves precision |
| Switching Output | PNP | Direct compatibility with standard industrial PLC inputs |
| Switching Mode | Light/Dark switching (selectable) | Flexible integration for different control logics |
| Response Time | ≤ 3 ms | Supports fast-moving conveyors and high-speed automation |
| Switching Frequency | 160 Hz | Reliable detection in dynamic production environments |
| Supply Voltage | 10 V DC to 30 V DC | Broad voltage tolerance simplifies system design |
| Output Current | ≤ 100 mA | Stable signal output for control systems |
| Adjustment Method | 2-turn potentiometer with position indicator | Fine-tuned sensitivity adjustment for optimal setup |
| Connection Type | M12 male connector, 4-pin | Secure, industry-standard electrical connection |
| Housing Material | ABS plastic | Lightweight yet robust for industrial use |
| Optical Material | PMMA | Durable optics with consistent light transmission |
| Enclosure Rating | IP67 | Resistant to dust, moisture, and washdown conditions |
| Operating Temperature | –25 °C to +55 °C | Reliable operation in demanding environments |
| Mounting | Mounting bracket included | Faster installation and reduced setup time |
| Service Life (LED) | Approx. 100,000 hours | Long-term reliability with minimal maintenance |
| Certifications | CE, UKCA, cRUus, RoHS | Suitable for global industrial applications |
Download SICK WTB250-2P2431 (6044675) Datasheet
| Commercial Data | Details |
|---|---|
| Weight | 141 g |
| Country of Origin | China |
In compact conveyor systems used for electronics or precision mechanical components, limited installation space and reflective machine parts can cause unstable sensing. The SICK WTB250-2P2431 addresses this by using background suppression to focus only on objects within its defined detection zone. Conveyor frames, belts, and metal guides outside this range are ignored, reducing false signals. Its narrow optical beam helps maintain consistent detection of small parts, even when spacing between items varies. This improves part counting accuracy, stabilizes downstream automation steps, and reduces unplanned stops caused by detection errors.
Automated assembly stations often process components with different colors, finishes, or materials, which can challenge standard sensors. The SICK WTB250-2P2431 delivers reliable presence verification by maintaining detection stability despite contrast variations. Fine sensitivity adjustment allows precise tuning to match specific components, while the fast response time supports rapid assembly cycles. Its compact housing fits easily into dense mechanical layouts where mounting options are limited. As a result, manufacturers achieve more consistent assembly quality, fewer missed detections, and improved production efficiency.
Packaging environments demand sensors that can operate reliably with fast-moving products and reflective surfaces. The SICK WTB250-2P2431 provides stable detection of cartons, trays, or packages while ignoring machine backgrounds and guide rails. This prevents unwanted triggering of sealing, labeling, or sorting mechanisms. Its robust enclosure supports continuous operation in dusty or humid conditions. By delivering consistent detection at higher line speeds, the sensor helps reduce product waste, minimize jams, and maintain smooth packaging workflows.
In material handling and intralogistics systems, sensors must clearly detect items while avoiding interference from surrounding structures. The SICK WTB250-2P2431 defines a precise sensing window that limits detection to the intended object range. This ensures reliable presence monitoring at transfer points, accumulation zones, or automated storage interfaces. Its stable electrical performance supports long duty cycles without signal drift. The result is smoother material flow, fewer system interruptions, and improved overall reliability in warehouse and distribution operations.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Mounting Bracket | BEF-W250 | 5305850 | Standard steel mounting bracket designed specifically for W250-2 sensors, enabling fast and secure installation |
| Universal Clamp Plate | BEF-KHS-N11N | 2071081 | Stainless-steel clamp solution for flexible mounting in confined or adjustable installations |
| Sensor Cable (PVC) | YF2A14-050VB3XLEAX | 2096235 | 5 m unshielded PVC cable for standard industrial environments and clean zones |
| Sensor Cable (PUR, Halogen-Free) | YF2A14-050UB3XLEAX | 2095608 | Durable PUR cable suitable for drag chains, oily environments, and continuous movement |
| Connector Adapter | STE-1204-G | 6009932 | Screw-type terminal adapter for quick wiring and panel integration |
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Warranty – 1-year warranty for your peace of mind.
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