Why SICK WTB9M4-3P1111?
The SICK WTB9M4-3P1111 is chosen when precision matters more than raw distance. Its background suppression technology allows machines to focus only on the intended target, even in visually noisy environments. The compact housing fits easily into space-limited designs, while fast response and stable infrared sensing ensure consistent results. This sensor delivers confidence in automation by combining accuracy, durability, and easy adjustment in one dependable device.
What Problem Does It Solve?
The SICK WTB9M4-3P1111 solves unreliable object detection caused by reflective surfaces, color variation, or changing background distances. In many production lines, standard sensors trigger falsely when backgrounds move or shine. This model filters out those distractions, detecting only objects within a defined range. The result is fewer false signals, smoother machine operation, and improved productivity across demanding industrial processes.
Key Features & Specifications – SICK WTB9M4-3P1111: Part Number 1051886
| Feature | Details | Benefit |
|---|---|---|
| Sensor Type | Photoelectric proximity sensor | Reliable non-contact object detection for automated systems |
| Detection Principle | Background suppression | Prevents false detection caused by reflective or moving backgrounds |
| Sensing Range | 20 mm to 250 mm (typical), up to 500 mm (max.) | Precise detection within a controlled distance window |
| Light Source | Infrared LED, 850 nm | Stable performance regardless of object color or ambient light |
| Light Spot Size | Approx. Ø 20 mm at 250 mm | Accurate target detection on small or irregular objects |
| Adjustment Method | 5-turn potentiometer | Fine, repeatable tuning for exact application requirements |
| Response Time | < 0.5 ms | Supports fast-moving production and high-speed machinery |
| Switching Frequency | Up to 1,000 Hz | Reliable detection in rapid cycle applications |
| Output Type | PNP, complementary, light/dark switching | Flexible integration with PLCs and control systems |
| Supply Voltage | 10 V DC to 30 V DC | Compatible with standard industrial power supplies |
| Output Current | Up to 100 mA | Direct connection to control inputs without additional relays |
| Housing Design | Compact rectangular body | Easy installation in space-constrained machines |
| Housing Material | Plastic, VISTAL® | Durable construction for long-term industrial use |
| Optics Material | Plastic, PMMA | High optical clarity with good impact resistance |
| Enclosure Rating | IP66, IP67, IP69K | Reliable operation in dusty, wet, and washdown environments |
| Operating Temperature | –40 °C to +60 °C | Stable performance in harsh industrial climates |
| Connection Type | 4-wire cable, 2 m length | Simple wiring and secure electrical connection |
| Weight | Approx. 80 g | Lightweight design reduces mechanical load on mounts |
| Certifications | CE, UKCA, cULus, ECOLAB, RoHS | Approved for global industrial and hygienic applications |
| Functional Safety | High MTTFd, long mission time | Supports reliable operation over extended service life |
Commercial Information – SICK WTB9M4-3P1111 (Part No. 1051886)
| Commercial Data | Details |
|---|---|
| EAN Number | 4047084254215 |
| Weight | 84.76 g |
| Country of Origin | Germany |