# Proximity Sensor, 12 mm, M18, NPN, 10 VDC to 30 VDC, SIEF Series

![Product image](https://novapart.co/image/farnell:3906418/)

**URL**: https://novapart.co/products/538318/proximity-sensor-12-mm-m18-npn-10-vdc-to-30-sief
**SKU**: 538318
**Manufacturer**: FESTO
**Category**: Sensors & Transducers || Sensors || Proximity Sensors / Proximity Switches || Inductive Proximity Sensors
**Price**: €76.6200
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2020) |
| Product Range | SIEF Series |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3906418/)

## **Proximity sensor SIEF-M18NB-NS-K-L** 

|**Feature**<br>~~vi~~|**Value**<br>~~vi~~|
|---|---|
|Design<br>~~Pees~~<br>~~PC~~<br>~~vi~~|Round<br>~~Pees~~<br><br>~~vi~~|
|Conforms to standard<br>~~PCeeeeeseaesesaeseses~~<br>~~PC~~<br>~~vi~~|EN 60947-5-2<br>~~eeeeeseaesesaeseses~~<br><br>~~vi~~|
|Symbol<br>~~PC~~<br>~~PCeeeeeeseseaesesae~~<br>~~ee~~<br>~~vi~~|00991704<br><br>~~eeeeeeseseaesesae~~<br>~~ee~~<br>~~vi~~|
|Certification<br>~~PC~~<br>~~ee~~<br>~~vi~~|RCM compliance mark<br>c UL us - Listed (OL)<br><br>~~ee~~<br>~~vi~~|
|CE marking (see declaration of conformity)<br>~~ee~~<br>~~vi~~<br>~~ee~~|As per EU EMC directive<br>As per EU low voltage directive<br>As per EU RoHS directive<br>~~ee~~<br>~~vi~~<br>~~ee~~|
|UKCA marking (see declaration of conformity)<br>~~vi~~<br>~~ee~~<br>~~PC~~|To UK RoHS instructions<br>To UK instructions for electrical equipment<br>~~vi~~<br>~~ee~~<br>|
|Measuring principle<br>~~vi~~<br>~~ee~~<br>~~PCeee~~|Inductive<br>~~vi~~<br>~~ee~~<br>~~eee~~|
|Rated operating distance<br>~~vi~~<br>~~PC~~<br>~~Pee~~|12 mm<br>~~vi~~<br><br>~~Pee~~|
|Assured operating distance<br>~~vi~~<br>~~Pee~~|9.72 mm<br>~~vi~~<br>~~Pee~~|
|Reduction factors<br>~~vi~~|Aluminum = 1.0<br>Stainless steel St 18/8 = 1.0<br>Copper = 1.0<br>Brass = 1.0<br>Steel St 37 = 1.0<br>~~vi~~|
|Ambient temperature<br>~~vi~~<br>~~nD~~|-30 °C ... 85 °C<br>~~vi~~<br>~~nD~~|
|Repetition accuracy<br>~~vi~~<br>~~nD~~|0.24 mm<br>~~vi~~<br>~~nD~~|
|Switching output<br>~~vi~~<br>~~Pee~~|NPN<br>~~vi~~<br>~~Pee~~|
|Switching element function<br>~~vi~~<br>~~nD~~|N.O. contact<br>~~vi~~<br>~~nD~~|
|Hysteresis<br>~~vi~~<br>~~Pee~~|0.36 mm ... 1.8 mm<br>~~vi~~<br>~~Pee~~|
|Max. switching frequency DC<br>~~vi~~<br>~~Pee~~|2000 Hz<br>~~vi~~<br>~~Pee~~|
|Max. output current<br>~~vi~~<br>~~Pease~~|200 mA<br>~~vi~~<br>~~Pease~~|
|Voltage drop<br>~~vi~~<br>~~nS~~|≤1.8 V<br>~~vi~~<br>~~nS~~|
|Short-circuit protection<br>~~vi~~<br>~~nD~~|Pulsed<br>~~vi~~<br>~~nD~~|
|DC operating voltage range<br>~~vi~~<br>~~nD~~<br>~~a~~|10 V ... 30 V<br>~~vi~~<br>~~nD~~|
|Residual ripple<br>~~vi~~<br>~~a~~|10%<br>~~vi~~|
|Idle current<br>~~vi~~<br>~~a~~<br>~~ns~~|≤15 mA<br>~~vi~~<br>~~ns~~|
|Reverse polarity protection<br>~~vi~~<br>~~Pease~~|for all electrical connections<br>~~vi~~<br>~~Pease~~|
|Electrical connection<br>~~vi~~<br>~~ny~~|Cable<br>~~vi~~<br>~~ny~~|
|Electrical connection 1, connection type<br>~~vi~~<br>~~Pee~~|Cable<br>~~vi~~<br>~~Pee~~|
|Electrical connection 1, connection technology<br>~~vi~~<br>~~nD~~|Open end<br>~~vi~~<br>~~nD~~|
|Electrical connection 1, number of pins/wires<br>~~vi~~<br>~~nD~~|3<br>~~vi~~<br>~~nD~~|
|Cable length<br>~~vi~~<br>~~nD~~|2.5 m<br>~~vi~~<br>~~nD~~|
|Material of cable sheath<br>~~vi~~<br>~~nD~~|TPE-U(PUR)<br>~~vi~~<br>~~nD~~|
|Insulating sheath material<br>~~vi~~<br>~~nD~~|PVC<br>~~vi~~<br>~~D~~|



|**Feature**|**Value**|
|---|---|
|Size|M18|
|Type of mounting|With locknut|
|Tightening torque|25 Nm|
|Mounting type|Not flush|
|Product weight|141 g|
|Housing material|PBT<br>Chrome-plated|
|Switching status indication|Yellow LED|
|Ambient temperature with flexible cable installation|0 °C ... 80 °C|
|Degree of protection|IP67|
|Resistance to interference from magnetic fields|Magnetic direct and alternating fields|
|Corrosion resistance class (CRC)|2 - Moderate corrosion stress|
|LABS (PWIS) conformity|VDMA24364 Zone III|
|Selection of additional sensor information|with reduction factor 1 – resistance to magnetic fields|
|Electrical output|NPN|
|Selection of sensor version|Standard|



6/3/26 - Subject to change - Festo SE & Co. KG 

2/2 



## Links

- [View this product on Novapart](https://novapart.co/products/538318/proximity-sensor-12-mm-m18-npn-10-vdc-to-30-sief)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/festo/538318/sief-m18nb-ns-k-l-proximity-sensor/dp/3906418)
---

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