The Omron E2B-M30LN20-WZ-C1 2M is an inductive proximity sensor from the E2B series. It features a long-body M30 nickel-plated brass housing with a non-shielded (unshielded) mounting design. The sensor operates on DC 3-wire, with an NPN output configured as Normally Open (NO). It has a sensing distance of 20 mm and comes with a 2-meter PVC pre-wired cable .