What it is and what the ratings mean for fit
The Omron E3ZG62M3JOMS is a through-beam photoelectric sensor with a 25 mm sensing distance, rated for 12–24 VDC supply and a load current of 100 mA. The NPN output (dark-on/light-on selectable) sinks current to the common, so it mates with sinking PLC inputs or relay coils; if your control system expects a sourcing (PNP) signal, the E3ZG81M3JOMS or E3ZG82M3JOMS serve the same role with PNP output. Response time sits at 1 ms, which covers most moderate-speed part-present detection. The housing footprint is compact: 11 mm wide, 40 mm high, 50 mm deep — a standard E3Z-series profile that fits into tight panel gaps or alongside existing brackets. The M8 4-pin connector simplifies wiring; no need to open the housing, just plug and tighten. IP64 rating means the sensor is protected against dust ingress and splashing water from any direction. It is not rated for submersion or high-pressure washdown, so keep that in mind for the mounting location.