The Sick WL4S-3E2130 photoelectric sensor (part number 1042071) is a compact, high-performance sensing solution engineered to meet the demanding needs of modern industrial automation. As part of the WL4S family, this model combines advanced optical technology with a durable, space-saving design, making it a preferred choice for applications where accuracy, reliability, and ease of installation are essential.

At the core of the WL4S-3E2130 is its foreground and background suppression capability, which allows the sensor to detect objects within a defined sensing range while ignoring potential disturbances from reflective or distant surfaces. This ensures that only the target object is reliably detected, significantly reducing the chances of false switching. Such precision makes it ideal for environments like packaging, assembly, and logistics, where surfaces and materials can vary widely.

The sensor is also equipped with a bright visible red LED emitter, which simplifies the alignment process. This feature provides operators with instant visual feedback during installation, reducing setup time and helping ensure accurate placement. In ongoing operations, the visible light also makes it easy to confirm correct functioning, minimizing downtime and troubleshooting efforts.

Thanks to its compact housing and robust optical design, the WL4S-3E2130 is suitable for integration into space-restricted machinery and conveyor systems. Despite its small form factor, it offers durable performance and long service life, even in tough industrial environments. Its rugged construction ensures resistance against vibration and environmental challenges, making it a reliable choice for continuous operation.

A further advantage is the sensor’s high switching reliability in dynamic conditions. Whether dealing with changes in ambient light, variations in object color, or reflective backgrounds, the WL4S-3E2130 maintains consistent detection accuracy. This reduces the need for manual adjustments and increases efficiency across automated processes.

The WL4S-3E2130 finds broad use in industries such as consumer goods, electronics manufacturing, packaging, and material handling. On production lines, it can be relied upon for presence detection, positioning verification, and quality assurance tasks. Its ability to handle diverse targets—from glossy packages to dark, irregularly shaped objects—ensures smooth operations and minimizes errors.

In summary, the Sick WL4S-3E2130 photoelectric sensor delivers a powerful combination of compact size, precision sensing, and durable reliability. With its background suppression technology, visible LED for easy alignment, and stable performance under challenging conditions, it represents an excellent choice for companies seeking dependable, high-accuracy object detection in modern automation environments.