Sick WTF12-3N2431 Photoelectric Sensor
The Sick WTF12-3N2431 photoelectric sensor features 175 mm sensing range, foreground suppression, NPN output, and IP69K protection for industrial detection applications. This WTF12-3N2431 Sick Foreground Suppression Sensor operates with visible red LED light, 640 nm wavelength, 1,500 Hz switching frequency, ≤ 330 µs response time, 10–30 V DC supply, metal housing, and M12 4-pin connector, available under Sick, categorized within Sick Photoelectric Sensors, and part of the W12 series for detecting flat objects.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WTF12-3N2431 |
Sick WTF12-3N2431 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Foreground suppression |
| Sensing range max. | 30 mm ... 175 mm |
| Sensing range | 30 mm ... 175 mm |
| Polarisation filters | - |
| Light source | LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 2 mm (60 mm) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns |
| Angle of dispersion | - |
| Special applications | Detecting flat objects |
| Items supplied | 2 x clamps BEF-KH-W12, incl. screws |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 45 mA |
| Protection class | III |
| Digital Output type | NPN |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | Approx. VS / < 2.5 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 |
WTF12-3N2431 Sick Foreground Suppression Sensor refers to the Sick WTF12-3N2431 photoelectric sensor used in industrial automation environments. It provides 175 mm sensing range, foreground suppression, NPN digital output, and IP69K enclosure rating. This model belongs to the W12 series and operates using visible red LED light for consistent object detection. Sick WTF12-3N2431 ensures stable sensing performance in short-range industrial applications.
In industrial setups, the Sick WTF12-3N2431 photoelectric sensor is used in conveyor systems, packaging lines, assembly stations, and inspection processes. Foreground suppression allows accurate detection of flat objects without interference from background surfaces. The stable output signal ensures consistent performance in control systems, while the fast response time supports high-speed operations. Its rugged housing and high protection rating enable reliable operation in dust, moisture, and washdown environments.
The WTF12-3N2431 Sick Foreground Suppression Sensor, identified as Sick WTF12-3N2431, provides dependable sensing performance for industrial automation. With compact rectangular housing, metal construction, and wide operating temperature range, it suits multiple industrial conditions. As part of the W12 series, it aligns with similar models for compatibility and integration. Sick WTF12-3N2431 ensures stable detection performance for applications requiring accurate and repeatable sensing.
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