Many engineers reviewing Pepperl Fuchs NBN3-F31K2M-E8-B23-S also explore Omron Proximity Sensors, P&F Sensors and P&F Photoelectric Sensor, ensuring they donβt miss strong alternatives before finalizing procurement decisions.
Pepperl Fuchs NBN3-F31K2M-E8-B23-S Proximity Sensor
The Pepperl Fuchs NBN3-F31K2M-E8-B23-S Proximity Sensor offers a 2.5 mm operating distance, 4-wire, PNP, 2 x normally open (NO), output, and for non-flush mounting installation. Manufactured by Pepperl Fuchs under the P&F Proximity Sensor category.

| Brand | Pepperl Fuchs |
| Product Type | Proximity Sensor |
| Model Number | NBN3-F31K2M-E8-B23-S |
Pepperl Fuchs NBN3-F31K2M-E8-B23-S Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Switching function | 2 x normally open (NO) |
| Output type | 4-wire, PNP |
| Rated operating distance | 2.5 mm |
| Installation | for non-flush mounting |
| Output polarity | DC |
| Assured operating distance | 0 ... 2.05 mm |
| Operating voltage | 10 ... 30 V |
| Switching frequency | 0 ... 100 Hz |
| Hysteresis | typ. 5 % |
| Reverse polarity protection | yes, with reversed output LED is out of function, therfore more power for solenoid valve |
| Short-circuit protection | no |
| Switching state indicator | LED, yellow |
| Ambient temperature | -40 ... 75 Β°C (-40 ... 167 Β°F) |
| Storage temperature | -40 ... 85 Β°C (-40 ... 185 Β°F) |
| Housing material | rugged, translucent polycarbonate (PC) optimised for outdoor use |
| Sensing face | - |
| Degree of protection | IP66 / IP68 / IP69 |
| Connector | screw terminal , 1/2" NPT cable gland |




