Sick WL27-F430 Light Barrier

The light barrier, also known as photoelectric sensor, optical sensor, or photosensor, with the type number WL27-F430 from Sick is an electrical sensor for non-contact object detection and position sensing. The device has dimensions of 10 x 2 x 6 cm and weighs 0.075 kg. Light barriers serve for reliable detection of objects or persons by emitting a light beam and detecting its interruption or reflection to trigger a switching signal. They are used to check positions, determine presence, or monitor access. Typical applications include industrial automation for material flow detection on conveyor belts, fill level control in packaging machines, or safeguarding hazardous areas.