Sick WTB12-3P2461S02 Photoelectric Sensor
Sick WTB12-3P2461S02 is a photoelectric proximity sensor with 50–700 mm sensing range and PNP output for industrial automation use. This Sick photoelectric sensor from the W12 series uses background suppression, PinPoint LED visible red light, operates on 10–30 V DC, provides ≤700 µs response time at 750 Hz, and features IP66/IP67/IP69K protection with an M12 4-pin metal housing.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Model Number | WTB12-3P2461S02 |
Sick WTB12-3P2461S02 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range max. | 30 mm ... 700 mm |
| Sensing range | 50 mm ... 700 mm |
| Polarisation filters | - |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 9 mm (400 mm) |
| Wave length | - |
| Adjustment | Potentiometer, 5 turns |
| Angle of dispersion | - |
| Special applications | Sensing range limited at 700 mm +/- 100 mm, Sensing range pre adjusted at 200 mm |
| Items supplied | - |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 40 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 | ≤ 700 µs 4) |
| Switching frequency | 750 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 WTB12-3P2461S02 Sick 700mm Photoelectric Sensor is a photoelectric proximity sensor designed for controlled detection tasks in industrial automation. It operates using background suppression with a 50–700 mm sensing range, a PNP digital output, and a PinPoint LED light source. The sensor runs on 10–30 V DC and belongs to the Sick W12 series, supporting stable object detection across automated systems.
In industrial applications, the WTB12-3P2461S02 Sick 700mm Photoelectric Sensor is used on conveyors, packaging machines, automated assembly lines, and material handling equipment. Background suppression enables accurate object detection while reducing interference from reflective backgrounds. The defined switching frequency and response time support consistent performance in medium-speed processes, while the compact rectangular housing allows straightforward installation in limited mounting spaces.
The WTB12-3P2461S02 from Sick combines defined optical control, electrical stability, and mechanical protection for dependable industrial operation. With PNP output compatibility, wide operating temperature tolerance, and high enclosure ratings, it integrates reliably into standard control panels. As part of the W12 series, this Sick photoelectric sensor meets established industrial automation requirements where consistent proximity sensing and long-term durability are required.
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