It detects metal objects up to 40 mm away through the M30 threaded face. IP67 and IP69K rated, so it handles high-pressure washdown without sealing issues. That's the no-fluff take: a rugged, current-production sensor you can spec into wet or sanitary lines.
Sensing distance 15–40 mm; M12 4-pin with 3 wires (brown: 12-24V DC, blue: GND, black: NPN), max load 200 mA, indicator. Body 70 mm × 30 mm, temp –13°F to +185°F.
Compliance and packaging
Carries CE, CSA, RoHS, and UL Listing marks — one less headache for machine cert. NEMA 4X rated for corrosion resistance. Sold by the each, direct connector type. Body finish nickel-plated on top of the 316L.