Product Model
WTB9L-3P2491

Selling Points
- 1High Accuracy Detection: Detects objects with 90% remission factor on standard white surfaces.
- 2Long Service Life: Average service life of 50,000 hours at +25°C ambient temperature.
- 3Background Suppression: Enhances detection by suppressing background reflections.
- 4Compact Design: Dimensions are 12.2 mm x 52.2 mm x 23.6 mm, making it ideal for space-constrained applications.
- 5Robust Connectivity: Features a male M12, 4-pin connector with PNP output for reliable connections.
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 52.2 mm x 23.6 mm | Housing design (light emission) | Rectangular |
Mounting hole | M3 | Sensing range max. | 25 mm ... 400 mm |
Sensing range | 25 mm ... 400 mm | Type of light | Visible red light |
Light source | Laser | Light spot size (distance) | Ø 0.9 mm (230 mm) |
Wave length | 650 nm | Laser class | 2 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11) |
Adjustment | Potentiometer, 5 turns | Special applications | Detecting small objects |
Supply voltage UB | 10 V DC ... 30 V DC | Ripple | < 5 V |
Current consumption | 30 mA | Switching output | PNP |
Output function | Complementary | Switching mode | Light/dark switching |
Output current Imax. | ≤ 100 mA | Response time | ≤ 1 ms |
Switching frequency | 500 Hz | Connection type | Male connector M12, 4-pin |
Circuit protection | A7)#!#B8)#!#C9) | Protection class | III |
Weight | 13 g | Housing material | Plastic, VISTAL® |
Optics material | Plastic, PMMA | Enclosure rating | IP66#!#IP67#!#IP69K |
Ambient operating temperature | –10 °C ... +50 °C | Ambient operating temperature extended | –30 °C ... +55 °C |
Ambient temperature, storage | –30 °C ... +70 °C | UL File No. | NRKH.E181493 |
Specifications may be subject to change without notice