The FESTO SIEN-6,5B-PO-K-L is a compact inductive proximity sensor designed for reliable object detection in automation systems. Part of the SIEN series, this round sensor features a 6.5 mm sensing range and a flush mounting style, making it well-suited for tight spaces and precise installation. It operates with a PNP switching output and includes a normally closed contact configuration, along with a clear switching status indicator for easy monitoring. This sensor is supplied by BSP Automation and offers a durable, standard housing that fits a variety of industrial applications requiring dependable proximity sensing.