# Proximity Sensor, 1.5 mm, 8 x 8 x 40 mm, NPN, 10 VDC to 30 VDC, SIES Series

![Product image](https://novapart.co/image/farnell:3902588/)

**URL**: https://novapart.co/products/174550/proximity-sensor-15-mm-8-x-40-npn-10-vdc-to-30
**SKU**: 174550
**Manufacturer**: FESTO
**Category**: Sensors & Transducers || Sensors || Proximity Sensors / Proximity Switches || Inductive Proximity Sensors
**Price**: €72.2700
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3902588/)

## **Proximity sensor SIES-Q8B-NO-K-L** 

Part number: 174550 

## General operating condition ~~a~~ 

## **Data sheet** 

|**Feature**|**Value**|
|---|---|
|Conforms to standard|EN 60947-5-2|
|Symbol|00991643|
|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 RoHS directive|
|UKCA marking (see declaration of conformity)|according to UK RoHS regulations (UK-R)|
|Note on materials|RoHS compliant|
|Rated operating distance|1.5 mm|
|Assured operating distance|1.2 mm|
|Reduction factors|Aluminum = 0.45<br>Stainless steel St 18/8 = 0.8<br>Copper = 0.4<br>Brass = 0.55<br>Steel St 37 = 1.0|
|Ambient temperature|-25 °C ... 70 °C|
|Repetition accuracy|0.07 mm|
|Switching output|NPN|
|Switching element function|NC contact|
|Max. switching frequency|3500 Hz|
|Max. switching frequency DC|1500 Hz|
|Max. output current|200 mA|
|Voltage drop|2 V|
|Short-circuit protection|Pulsed|
|DC operating voltage range|10 V ... 30 V|
|Residual ripple|10%|
|Idle current|≤10 mA|
|Reverse polarity protection|for all electrical connections|
|Electrical connection 1, connection type|Cable|
|Electrical connection 1, connection technology|Open end|
|Electrical connection 1, number of pins/wires|3|
|Cable length|2.5 m|
|Material of cable sheath|TPE-U(PUR)|
|Size|8x8x40 mm|
|Type of mounting|With internal thread|
|Mounting type|Flush|
|Product weight|39 g|



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

1/2 

|**Feature**|**Value**|
|---|---|
|Housing material|Die-cast zinc<br>Chrome-plated<br>Nickel-plated|
|Switching status indication|Yellow LED|
|Degree of protection|IP67|
|LABS (PWIS) conformity|VDMA24364-B2-L|
|Selection of additional sensor information|Special design|
|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/174550/proximity-sensor-15-mm-8-x-40-npn-10-vdc-to-30)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/festo/174550/sies-q8b-no-k-l-proximity-sensor/dp/3902588)
---

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