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| PartNumber | E3RA-RN21 | E3RA-RN11 2M | E3RA-RN112M |
| Description | Photoelectric Sensors ThruBeam M12 Conn NPN Radial 15m | Optical Sensors Photoelectric Sensors RetroR 2M Cable NPN Radial .1-3m | PLSTCM18,RETRO3M,RAD,NPN,PW |
| Manufacturer | Omron | Omron Automation and Safety | - |
| Product Category | Photoelectric Sensors | Optical Sensors - Photoelectric, Industrial | - |
| RoHS | N | - | - |
| Series | E3RA | E3RA | - |
| Brand | Omron Automation and Safety | - | - |
| Product Type | Photoelectric Sensors | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Sensors | - | - |
| Part # Aliases | E3RARN21 | - | - |
| Unit Weight | 0.705479 oz | - | - |
| Operating Temperature | - | -25°C ~ 55°C | - |
| Ingress Protection | - | IEC IP67, IP69K | - |
| Voltage Supply | - | 10 V ~ 30 V | - |
| Sensing Method | - | Retroreflective | - |
| Output Configuration | - | NPN - Dark-ON/Light-ON - Selectable | - |
| Adjustment Type | - | Single-Turn | - |
| Response Time | - | 0.5ms | - |
| Sensing Distance | - | 3.937" ~ 118.11" (100mm ~ 3m) | - |
| Connection Method | - | Cable | - |
| Cable Length | - | * | - |
| Light Source | - | Red LED | - |