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OMRON E3RA-RN21 | Retroreflective Photoelectric Sensor | 100 mm to 3 m, NPN, M12 4-Pin Connector
Part Number : E3RA-RN21
The OMRON E3RA-RN21 is a barrel-style retroreflective photoelectric sensor with a detection range of 100 mm to 3 m and NPN output. Wiring is through an M12 4-pin connector and the housing is ABS. The E3RA-RN21 belongs to OMRON's E3RA series.
- Light source: red LED
- Maximum voltage: 30 V DC
- Current rating up to 25 mA
- Response time: 500 μs
- Protection rating: IP67 and IP69K
- Operating temperature: -25°C to +55°C
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