Festo SIEN-4B-NS-K-L is an inductive proximity sensor designed for non-contact detection of metallic targets in industrial automation. The SIEN-4B-NS-K-L designation identifies this sensor within FESTO's SIEN family, providing a compact solution for sensing metal parts in control circuits and automation equipment. By detecting metal objects without physical contact, it enables reliable position and presence verification in machine and panel installations where metal targets are involved.
