Photoswitch 42RLP-4000 is a through-beam photoelectric sensor, also known as the Photoswitch 42RLP-4000. It detects the presence of objects by the interruption of a projected light beam between an emitter and receiver. The 42RLP-4000 designation identifies this sensor within the Photoswitch photoswitch lineup, providing non-contact, beam-based object detection for automation systems.
