What it is and what it does
Omron E2B-S08KN04-MC-B2 is a cylindrical inductive proximity sensor in the E2B series, sized for 8 mm diameter threaded mounting. Sensing distance is 4 mm, unshielded, meaning it requires a non-flush installation to stay within rated range. Output is PNP normally closed, terminated via an M8 connector.
Mounting and wiring
8 mm diameter stainless steel body, short barrel, unshielded. M8 connector, PNP normally closed output.
