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| PartNumber | E3F2-R4C4F | E3F2-R4C4F-M 2M | E3F2-R4C4F-E |
| Description | Photoelectric Sensors Axial Plas NPN Retro 2M | Photoelectric Sensors Metal NPN Retro 2mCbl FixSen | Optical Sensors Photoelectric Sensors NPN Retro 2M Axial Plas |
| Manufacturer | Omron | Omron | Omron Automation and Safety |
| Product Category | Photoelectric Sensors | Photoelectric Sensors | Optical Sensors - Photoelectric, Industrial |
| RoHS | N | N | - |
| Series | E3F2 | E3F2 | E3F2 |
| Brand | Omron Automation and Safety | Omron Automation and Safety | - |
| Product Type | Photoelectric Sensors | Photoelectric Sensors | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Sensors | Sensors | - |
| Part # Aliases | E3F2R4C4F | E3F2R4C4FM2M | - |
| Unit Weight | 3.527396 oz | 3.527396 oz | - |
| Operating Temperature | - | - | -25°C ~ 55°C |
| Ingress Protection | - | - | IP66 NEMA |
| Voltage Supply | - | - | 10 V ~ 30 V |
| Sensing Method | - | - | Retroreflective, Polarized |
| Output Configuration | - | - | NPN - Open Collector |
| Adjustment Type | - | - | Fixed |
| Response Time | - | - | 1ms |
| Sensing Distance | - | - | 3.937" ~ 157.480" (100mm ~ 4m) ADJ |
| Connection Method | - | - | Connector |
| Cable Length | - | - | * |
| Light Source | - | - | Red LED |