# Proximity Sensor, 8 mm, M18, Non-Contacting 2-Wire, 20 VDC to 320 VDC, SIED Series

![Product image](https://novapart.co/image/farnell:3906375/)

**URL**: https://novapart.co/products/538275/proximity-sensor-8-mm-m18-non-contacting-2-wire-20
**SKU**: 538275
**Manufacturer**: FESTO
**Category**: Sensors & Transducers || Sensors || Proximity Sensors / Proximity Switches || Inductive Proximity Sensors
**Price**: €77.4200
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3906375/)

## **Proximity sensor SIED-M18NB-ZS-S-L** 

Part number: 538275 

## ~~Mi~~ General operating condition 

## **Data sheet** 

|**Feature**|**Value**|
|---|---|
|Design<br>~~a~~|Round<br>~~Qe~~|
|Conforms to standard<br>~~a~~<br>~~Ge~~|EN 60947-5-2<br>~~Qe~~<br>~~Ge~~|
|Symbol<br>~~eG~~|00991714<br>~~eG~~|
|Certification|RCM compliance mark<br>c UL us - Listed (OL)|
|CE marking (see declaration of conformity)|As per EU EMC directive<br>As per EU low voltage directive|
|UKCA marking (see declaration of conformity)<br>~~a~~|To UK instructions for electrical equipment<br>~~a~~|
|Measuring principle<br>~~a~~|Inductive<br>~~a~~<br>~~Q~~|
|Rated operating distance<br>~~Qe~~<br>~~ee~~|8 mm<br>~~Qe~~<br>~~Q~~|
|Assured operating distance<br>~~ee~~|6.5 mm<br>~~Q~~|
|Reduction factors<br>~~ee~~|Aluminum = 0.4<br>Stainless steel St 18/8 = 0.7<br>Copper = 0.3<br>Brass = 0.4<br>Steel St 37 = 1.0<br>~~Q~~|
|Ambient temperature<br>~~Qe~~|-25 °C ... 85 °C<br>~~Qe~~|
|Repetition accuracy<br>~~Qe~~<br>~~ee~~|0.2 mm<br>~~Qe~~<br>~~Q~~|
|Switching output<br>~~ee~~|Non-contacting, 2-wire<br>~~Q~~|
|Switching element function<br>~~ee ~~<br>~~Qe~~|N.O. contact<br> ~~Q~~<br>~~Qe~~|
|Hysteresis<br>~~a~~|0.03 mm ... 1.9 mm<br>~~a~~<br>~~Q~~|
|Max. switching frequency DC<br>~~a~~|340 Hz<br>~~a~~<br>~~Q~~|
|Max. switching frequency AC<br>~~Qe~~|25 Hz<br>~~Qe~~|
|Max. output current<br>~~Qe~~|300 mA<br>~~Qe~~|
|Voltage drop<br>~~Qe~~<br>~~ee~~|≤8 V<br>~~Qe~~<br>~~Q~~|
|Minimum load current<br>~~ee~~<br>~~ee~~|5 mA<br>~~Q~~<br>~~Q~~|
|Short-circuit protection<br>~~ee ~~<br>~~ee~~|No<br> ~~Q~~<br>~~Q~~|
|Operating voltage range AC<br>~~ee ~~<br>~~Qe~~|20 V ... 265 V<br> ~~Q~~<br>~~Qe~~|
|DC operating voltage range<br>~~a~~|20 V ... 320 V<br>~~a~~<br>~~Q~~|
|Mains frequency<br>~~a~~|50 Hz<br>~~a~~<br>~~Q~~|
|Idle current<br>~~Qe~~|≤1.5 mA<br>~~Qe~~|
|Reverse polarity protection<br>~~Qe~~|for all electrical connections<br>~~Qe~~|
|Electrical connection|M12x1<br>Plug|
|Size<br>~~Qe~~|M18<br>~~Qe~~|
|Type of mounting<br>~~Qe~~|With locknut<br>~~Qe~~|
|Tightening torque<br>~~a~~|30 Nm<br>~~Q~~|
|Mounting type<br>~~Qe~~|Not flush<br>~~e~~|



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

1/2 

|**Feature**|**Value**|
|---|---|
|Product weight|50 g|
|Housing material|Nickel-plated|
|Switching status indication|Yellow LED|
|Degree of protection|IP67|
|Corrosion resistance class (CRC)|1 - Low corrosion stress|
|LABS (PWIS) conformity|VDMA24364-B2-L|
|Selection of additional sensor information|For direct and alternating voltage|
|Electrical output|Non-contacting, 2-wire|
|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/538275/proximity-sensor-8-mm-m18-non-contacting-2-wire-20)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/festo/538275/sied-m18nb-zs-s-l-proximity-sensor/dp/3906375)
---

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