The Omron E3FB-DN21 is a diffuse-reflective photoelectric sensor with a maximum sensing distance of 0.1 meters. It features a red LED light source and an NPN open collector output type. The sensor is designed to operate within a temperature range of -25 to 55°C and can withstand shock ratings of up to 50 units. It is powered by a maximum operating supply voltage of 30VDC and has a 4-pin configuration.
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| Type | Diffuse-Reflective |
| Light Source | Red LED |
| Maximum Sensing Distance | 0.1m |
| Output Type | NPN Open Collector |
| Shock Rating | 50G |
| Switching Mode | Light ON/Dark ON |
| Max Operating Supply Voltage | 30VDC |
| Min Operating Temperature | -25°C |
| Max Operating Temperature | 55°C |
| Pin Count | 4 |
| RoHS | Yes |
| RoHS Version | 2011/65/EU, 2015/863 |
