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Sick WTB26P-24861120A00 Photoelectric Sensor
The Sick WTB26P-24861120A00 Photoelectric Sensor provides a 30 to 1,600 mm sensing range with background suppression using a PinPoint LED. It includes visible red light, 1,000 Hz switching frequency, IO-Link, Teach-Turn adjustment, LED indication, PNP output, and IP66, IP67, and IP69 enclosure ratings for industrial environments. Explore more from Sick Sensors, additional Sick Photoelectric Sensors at Sick Photoelectric Sensors, and the W26/W16 series at Sick W26/W16 Series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WTB26P-24861120A00 |
Sick WTB26P-24861120A00 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Sensing range min. | 30 mm |
| Sensing range max. | 1,600 mm |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 7 mm (700 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 V2) |
| 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) | 24.6 mm x 82.5 mm x 53.3 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. 80 g |
The Sick WTB26P-24861120A00 Photoelectric Sensor is designed for reliable object detection with 30 to 1,600 mm sensing capability, a PinPoint LED, and background suppression. It delivers stable switching through its PNP output, 1,000 Hz frequency, and IO-Link support. As part of the Sick W26 and W16 Series, this model integrates well into automation systems requiring consistent detection performance and robust environmental protection including IP66, IP67, and IP69 ratings.
This sensor is suited for conveyors, packaging machines, automated handling lines, and assembly stations where precise detection is required. The PinPoint LED provides a sharp, point-shaped spot for accurate sensing even on irregular surfaces. Fast response time and repeatability support high-speed industrial processes, while the VISTAL housing and M12 connector enable long-term durability and easy installation across various automation layouts.
The Sick WTB26P-24861120A00 Photoelectric Sensor combines a 1,600 mm sensing range, strong protection ratings, and dependable red-light detection for stable operation in industrial environments. With PNP output, IO-Link functionality, and reliable optical performance, it ensures consistent results in demanding applications. As a trusted Sick model, it supports efficient machine operation and dependable detection accuracy for long-term automation needs.

