Sick WTB16P-24861120A00 Photoelectric Sensor
The Sick WTB16P-24861120A00 photoelectric sensor provides background suppression detection with 10–1000 mm sensing range and PNP output stable operation. This Sick Photoelectric Sensor from the W26, W16 series uses visible red PinPoint LED light, supports Teach-Turn and IO-Link adjustment, operates on 10–30 V DC, and delivers 1,000 Hz switching frequency in a rectangular housing.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WTB16P-24861120A00 |
Sick WTB16P-24861120A00 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range min. | 10 mm |
| Sensing range max. | 1,000 mm |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 6 mm (500 mm) |
| Wave length | 635 nm |
| Adjustment | Teach-Turn adjustment, IO-Link |
| Indication | LED blue, LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC 1) |
| Ripple | ≤ 5 Vpp |
| Usage category | DC-12 (According to EN 60947-5-2), DC-13 (According to EN 60947-5-2) |
| Current consumption, sender & Receiver | ≤ 30 mA, without load. At UB = 24 V |
| Protection class | III |
| Digital output Number | 2 (Complementary) |
| Output type | PNP |
| Signal voltage PNP HIGH/LOW | Approx. UB-2.5 V / 0 V |
| Signal voltage NPN HIGH/LOW | - |
| Output current Imax. | ≤ 100 mA |
| Circuit protection outputs | Reverse polarity protected, Overcurrent and short-circuit protected |
| Response time | ≤ 500 µs 2) |
| Repeatability (response time) | 150 µs |
| Switching frequency | 1,000 Hz 3) |
| Housing | Rectangular |
| Dimensions (W x H x D) | 20 mm x 55.7 mm x 42 mm |
| Connection | Male connector M12, 4-pin |
| Housing material | Plastic, VISTAL® |
| Front screen material | Plastic, PMMA |
| Male connector material | Plastic, VISTAL® |
| Maximum tightening torque of the fixing screws | 1.3 Nm |
| Enclosure rating | IP66 (EN 60529), IP67 (EN 60529), IP69 (EN 60529) 1) |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | Approx. 50 g |
The WTB16P-24861120A00 Sick 10 mm Background Suppression Sensor is a Sick photoelectric sensor designed for precise proximity detection in industrial automation systems. The WTB16P-24861120A00 operates with background suppression using a 10–1000 mm sensing range, PNP digital output, and IO-Link adjustment. It is part of the W26 and W16 series and is widely applied where controlled detection distances are required.
In industrial automation, the WTB16P-24861120A00 is used on conveyors, packaging machines, assembly lines, and material handling equipment. Background suppression helps reduce false detections from reflective surfaces, while the 1,000 Hz switching frequency supports reliable sensing of moving objects. The rectangular housing and M12 connector allow consistent mounting across compact automation layouts.
The Sick WTB16P-24861120A00 photoelectric sensor combines defined sensing accuracy with electrical protection and environmental resistance. With IP66/IP67/IP69 enclosure ratings, stable DC operation, and protected outputs, this Sick sensor is suited for continuous industrial use. The WTB16P-24861120A00 model aligns with Sick’s photoelectric sensor range, supporting dependable performance in automation environments.

