Functional principle
Inductive sensors detect metal objects contactless and wear-free. For this, they use a high-frequency electromagnetic AC field that interacts with the target. Inductive sensors generate this field via an RLC circuit with a ferrite coil.

■ Smooth barrel, Ø 4 mm
■ Stainless steel, 1.4427 SO
■ DC 3-wire, 10…30 VDC
■ NO contact, NPN output
■ Cable connection