Sick WTB12-3P2431 Photoelectric Sensor
The WTB12-3P2431 Sick Photoelectric Proximity Sensor provides 20 mm ... 350 mm sensing with PNP output reliability performance. The WTB12-3P2431 belongs to Sick sensing technologies and the Sick Photoelectric Sensor category for industrial automation object detection applications. This model is part of the W12 series featuring background suppression, 1,500 Hz switching frequency, LED light source, and IP69K enclosure protection.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WTB12-3P2431 |
Sick WTB12-3P2431 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 20 mm ... 350 mm |
| Sensing range | 20 mm ... 350 mm |
| Polarisation filters | - |
| Light source | LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 6 mm (200 mm) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns |
| Angle of dispersion | 2 x clamps BEF-KH-W12, incl. screws |
| Special applications | - |
| Items supplied | - |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 45 mA |
| Protection class | III |
| Digital Output type | PNP |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | > Uv - 2,5 V / ca. 0 V |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 330 µs 4) |
| Switching frequency | 1,500 Hz 5) |
| Output function | Complementary |
| Special feature | - |
| Housing | Rectangular |
| Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Connection | Male connector M12, 4-pin |
| Housing material | Metal |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66, IP67, IP69K |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 120 g |
The WTB12-3P2431 Sick Photoelectric Proximity Sensor is designed for industrial automation systems requiring stable object detection and fast switching performance. The WTB12-3P2431 uses 20 mm ... 350 mm sensing range, PNP complementary output, visible red LED light, and background suppression technology for controlled sensing operation. This photoelectric sensor belongs to the Sick W12 series and is widely integrated into industrial automation applications requiring dependable detection performance and stable signal output.
The sick detec4 core sensor technology supports conveyors, packaging systems, assembly lines, and automated material handling equipment requiring reliable detection accuracy. Its 1,500 Hz switching frequency and response time below 330 µs help maintain stable sensing during continuous production movement. The metal housing with IP66, IP67, and IP69K enclosure protection supports dependable operation in industrial environments exposed to dust, moisture, vibration, and washdown conditions. The M12 4-pin connector also supports practical installation in automation machinery.
The WTB12-3P2431 Sick Photoelectric Proximity Sensor combines fast switching performance, stable sensing capability, and durable enclosure protection for industrial automation applications. With background suppression functionality, PNP output operation, LED light source, and IP69K-rated housing, the sensor supports accurate industrial object detection tasks. Sick manufactures the WTB12-3P2431 within the W12 series for industrial automation systems requiring reliable sensing stability and consistent operational performance.
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