The Sick 1058146 (Model WTB9L-3N2291) is a reliable and precise through-beam photoelectric sensor designed for a wide range of industrial automation applications. Part of the WTB series, this sensor offers high-accuracy detection, robust construction, and versatile installation options, making it ideal for conveyor monitoring, packaging lines, material handling, and automated production environments.

A key advantage of the WTB9L-3N2291 is its detection range of up to 9‚ÄØm, which allows it to detect objects effectively over medium to long distances. Utilizing a through-beam configuration with separate emitter and receiver units, the sensor provides stable and consistent performance even in challenging industrial environments with dust, vibration, or high ambient light. Its long-range capability makes it particularly suitable for applications requiring dependable object detection across extended conveyor or production line setups.

The sensor incorporates PinPoint visible red LED technology, producing a concentrated and bright light spot. This feature allows precise alignment during installation, reducing setup time and ensuring accurate detection performance. The focused LED beam enhances reliability when detecting small, reflective, or irregularly shaped objects, which is essential for high-speed and high-precision industrial applications.

Durability is a standout feature of the WTB9L-3N2291. Its IP67-rated housing ensures protection against dust, water, and other environmental hazards, enabling reliable operation in harsh industrial conditions. The M12 connector provides a secure and standardized electrical connection, simplifying system integration and ensuring long-term operational stability. The combination of rugged housing and dependable connectivity minimizes maintenance requirements and ensures consistent performance over time.

Electrically, the sensor features a PNP output and supports both Light On and Dark On switching modes, offering flexibility for integration into various automation control systems. Its fast response time enables accurate detection of high-speed moving objects, making it ideal for conveyor monitoring, sorting, and packaging applications. Operating within a 10 V to 30 V DC supply range, the WTB9L-3N2291 is compatible with standard industrial power systems and delivers reliable performance across a temperature range of –25 °C to +55 °C.

Compact yet powerful, the WTB9L-3N2291 can be installed in space-constrained areas without compromising performance. Its combination of long-range through-beam detection, precise PinPoint LED alignment, rugged IP67 housing, and versatile PNP output makes it a dependable solution for engineers and automation professionals seeking reliable, high-precision object detection.