The FESTO SIEN-6,5B-NO-K-L is an inductive proximity sensor designed for precise object detection in industrial environments. Part of the SIEN series, this sensor features a compact, round shape with a 6.5 mm sensing range, making it suitable for flush mounting in tight spaces. It operates with an NPN normally closed (N/C) contact configuration and includes an open end connection for easy integration. Additionally, the sensor provides a clear switching status display, helping users quickly verify its operation. This reliable component is available through BSP Automation, offering a solid solution for automation tasks requiring accurate proximity sensing.