NAMCO ET320-22420 NO (DD2) proximity switch is a non-contact sensor with a normally open (NO) output, designed to detect nearby targets without physical contact.
The ET320-22420 part number identifies this unit within the NAMCO lineup, suitable for inclusion in automation and control circuits where fast, reliable sensing is required in a compact package.
Common applications include inline sensing and position detection in manufacturing and machine automation, where this NO proximity switch provides straightforward signaling to control logic.
