Procurement managers rarely finalize WTT280L-2P2531 without reviewing Sick Laser Sensor, Sick Gtb6 P4211 and P&F Photoelectric Sensor, ensuring that the chosen component meets budget, compliance, and delivery conditions.
Sick WTT280L-2P2531 Photoelectric Sensor
The Sick WTT280L-2P2531 Photoelectric Sensor delivers a sensing range of two hundred to four thousand millimeters using visible red laser light. This model operates on 10β30 V DC with a PNP switching output, includes background suppression, and offers a β€ 0.5 ms response time. It features IP67 protection, a 12 mm light spot at 3 m, and a rectangular housing measuring 23.5 mm Γ 76 mm Γ 55.8 mm with an M12 connector. Explore Sick Sensors, view Sick Photoelectric Sensors, and refer to the Sick WTT Series for more information.
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Model Number | WTT280L-2P2531 |
Sick WTT280L-2P2531 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression, Optical time-of-flight |
| Dimensions (W x H x D) | 23.5 mm x 76 mm x 55.8 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 200 mm ... 4,000 mm , 200 mm ... 3,000 mm |
| Sensing range | 200 mm ... 4,000 mm 3), 200 mm ... 3,000 mm 3) |
| Type of Light | Visible red light |
| Light source | Laser |
| Light spot size (distance) | Γ 12 mm (3 m) |
| Wave length | - |
| Laser class | 1 (EN 60825-1:2014, IEC 60825-1:2014) |
| Adjustment | Potentiometer (1 x) |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 3 Vpp |
| Current consumption | 70 mA |
| Switching output | PNP |
| Switching mode | Light/dark switching |
| Output current Imax. | β€ 100 mA |
| Response time | β€ 0.5 ms |
| Switching frequency | 1,000 Hz |
| Connection type | Male connector M12, 5-pin |
| Protection class | III |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | β10 Β°C ... +50 Β°C |
| Ambient temperature, storage | β40 Β°C ... +70 Β°C |
| Weight | 120 g |
The Sick WTT280L-2P2531 Photoelectric Sensor is a long-range red-light detection unit designed for industrial automation tasks requiring precise optical measurement. The Sick WTT280L-2P2531 supports a sensing range of 200β4,000 mm, operates on 10β30 V DC, and provides a PNP output with light/dark switching. As part of the Sick WTT series, it uses an optical time-of-flight principle with background suppression and is enclosed in an IP67-rated ABS housing suitable for harsh factory conditions.
This sensor is widely applied in conveyor movement monitoring, pallet positioning, automated logistics, packaging operations, and assembly workflows. Its visible red laser supports accurate target detection over long distances, while its fast response time allows use in medium- to high-speed processes. The compact rectangular housing and M12 connector enable straightforward integration across different industrial machine layouts.
The Sick WTT280L-2P2531 Photoelectric Sensor provides consistent distance measurement, stable output, and industrial-grade durability suitable for demanding automation requirements. With a defined sensing range, IP67 enclosure, background suppression, and a 0.5 ms response time, it offers engineers dependable performance across varied environmental conditions. Sickβs trusted engineering quality ensures this model meets long-term detection needs in modern industrial systems.

