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Pepperl Fuchs NCN3-F31K-N4 Proximity Sensor
The Pepperl Fuchs NCN3-F31K-N4 Proximity Sensor offers a 3 mm operating distance, 2-wire, 2 x normally closed (NC), output, and flush mountable installation. Manufactured by Pepperl Fuchs under the P&F Proximity Sensor category.

| Brand | Pepperl Fuchs |
| Product Type | Proximity Sensor |
| Model Number | NCN3-F31K-N4 |
Pepperl Fuchs NCN3-F31K-N4 Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Switching function | 2 x normally closed (NC) |
| Output type | 2-wire |
| Rated operating distance | 3 mm |
| Installation | flush mountable |
| Assured operating distance | 0 ... 2.4 mm |
| Switching frequency | 0 ... 3 kHz |
| Hysteresis | typ. 5 % |
| Reverse polarity protection | reverse polarity protected |
| Short-circuit protection | yes |
| Switching state indicator | LED, yellow |
| Ambient temperature | -25 ... 100 Β°C (-13 ... 212 Β°F) |
| Storage temperature | -40 ... 100 Β°C (-40 ... 212 Β°F) |
| Housing material | PBT |
| Sensing face | PBT |
| Degree of protection | IP67 |




