Product Model
WTB9-3N1161

Key Features
- 1High Accuracy & Reliability: The SICK WTB9-3N1161 offers precise detection with a sensing range of 20-350 mm.
- 2Background Suppression: Enhances performance by suppressing background reflections for clear object detection.
- 3Visible Red Light: Utilizes a PinPoint LED with visible red light for easy setup and alignment.
- 4Adjustable Potentiometer: Allows for easy adjustment of the sensor's sensitivity with a 5-turn potentiometer.
- 5Durable Design: Constructed with a rectangular housing made of plastic, ensuring robust performance in harsh environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 12.2 mm x 50 mm x 23.6 mm | Housing design (light emission) | Rectangular |
| Mounting hole | M3 | Sensing range max. | 20 mm ... 350 mm |
| Sensing range | 20 mm ... 200 mm | Type of light | Visible red light |
| Light source | PinPoint LED | Light spot size (distance) | Ø 4.5 mm (75 mm) |
| Wave length | 650 nm | Adjustment | Potentiometer, 5 turns |
| Supply voltage UB | 10 V DC ... 30 V DC | Ripple | < 5 V |
| Current consumption | 30 mA | Switching output | NPN |
| Output function | Complementary | Switching mode | Light/dark switching |
| Output current Imax. | ≤ 100 mA | Response time | < 0.333 ms |
| Switching frequency | 1,500 Hz | Connection type | Cable, 4-wire, 2 m |
| Cable material | Plastic, PVC | Conductor cross section | 0.14 mm² |
| Circuit protection | A9)#!#B10)#!#C11) | Protection class | III |
| Weight | 80 g | Housing material | Plastic, VISTAL® |
| Optics material | Plastic, PMMA | Enclosure rating | IP66#!#IP67#!#IP69K |
| Ambient operating temperature | –40 °C ... +60 °C | Ambient temperature, storage | –40 °C ... +75 °C |
| UL File No. | NRKH.E181493 |
Specifications may be subject to change without notice
