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| Part Number | E3F2-R4B4-E |
| Description | SENSOR RETRO POL 4M NPN DO/LO |
| Manufacturer | Omron Automation and Safety |
| Series | E3F2 |
| Part Status | Active |
| Sensing Method | Retroreflective, Polarized |
| Sensing Distance | 3.937" ~ 157.480" (100mm ~ 4m) ADJ |
| Voltage - Supply | 10V ~ 30V |
| Response Time | 1ms |
| Output Configuration | NPN - Dark-ON/Light-ON - Selectable |
| Connection Method | Connector |
| Ingress Protection | IEC IP67, IP69K |
| Cable Length | - |
| Light Source | Red LED |
| Adjustment Type | Adjustable |
| Operating Temperature | -25°C ~ 55°C |