Siemens 3RG7240-3CH00 is an Opto-BERO C40 S diffuse photoelectric proximity sensor with background suppression, designed for non-contact object detection in industrial automation. It operates on 10–30 V DC and provides a PNP switching output with selectable light-on or dark-on behavior, enabling reliable interfacing with a wide range of controllers. With a 70 cm sensing range, this Siemens sensor supports compact automation tasks where background suppression improves detection reliability on conveyors or packaging lines.
