# Photoelectric Sensor, 20m, NPN, Through Beam, 10 to 30VDC, 4 Pin M12 Connector, W12-3 Series

![Product image](https://novapart.co/image/farnell:4391471/)

**URL**: https://novapart.co/products/WSE12-3N2431/photoelectric-sensor-20m-npn-through-beam-10-to
**SKU**: WSE12-3N2431
**Manufacturer**: SICK
**Price**: €221.8100
**Stock**: 10+
**Lead Time**: 43 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W12-3 Series |
| Sensing Method | Through Beam |
| Connection Method | 4 Pin M12 Connector |
| Sensing Range Max | 20m |
| Sensor Output Type | NPN |
| Supply Voltage Dc Max | 30V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4391471/)

WSE12-3N2431 W12-3 

**SMALL PHOTOELECTRIC SENSORS** 

**WSE12-3N2431 | W12-3** SMALL PHOTOELECTRIC SENSORS 

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Type Part no.<br>k |<br>WSE12-3N2431 1041462<br>P<br>AS, x Other models and accessories  www.sick.com/W12-3<br>y<br>Illustration may differ<br>**----- End of picture text -----**<br>


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## Detailed technical data 

## Features 

|**Functional principle**|Through-beam photoelectric sensor|
|---|---|
|**Sensing range max.**|0 m ... 20 m|
|**Sensing range**|0 m ... 15 m|
|**Emitted beam**<br>Light source<br>Type of light<br>Light spot size (distance)|LED1)<br>Visible red light<br>Ø 220 mm (15 m)|
|**Key LED figures**<br>Wave length|640 nm|
|**Adjustment**|Potentiometer, 5 turns|
|**Angle of dispersion**|Approx. 1.5°|
|**Items supplied**|2 x clamps BEF-KH-W12, incl. screws|
|**Part number of individual components**|2041879 WS12-3D2430 2043598 WSE12-3|



1) Average service life: 100,000 h at TU = +25 °C. 

## Safety-related parameters 

|**MTTFD**|826 years|
|---|---|
|**DCavg**|0 %|



**Product data sheet | 2024-04-12 18:08:36 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

**WSE12-3N2431 | W12-3** SMALL PHOTOELECTRIC SENSORS 

## Electrical data 

|**Supply voltage UB**|10 V DC ... 30 V DC1)|
|---|---|
|**Ripple**|< 5 Vpp 2)|
|**Current consumption, sender**|≤ 30 mA3)|
|**Current consumption, receiver**|≤ 25 mA3)|
|**Protection class**|III|
|**Digital output**||
|Type|NPN|
|Switching mode|Light/dark switching|
|Signal voltage NPN HIGH/LOW|Approx. VS / < 2.5 V|
|Output current Imax.|≤ 100 mA|
|Response time|≤ 330 µs4)|
|Switching frequency|1,500 Hz5)|
|**Output function**|Complementary|
|**Circuit protection**|A6)<br>C7)<br>D8)|
|**Test input sender off**|TE to 0 V|



1) Limit values when operated in short-circuit protected network: max. 8 A. 

- 2) May not exceed or fall below Uv tolerances. 

- 3) Without load. 

4) Signal transit time with resistive load. 

5) With light/dark ratio 1:1. 

- 6) A = VS connections reverse-polarity protected. 

- 7) C = interference suppression. 

8) D = outputs overcurrent and short-circuit protected. 

## Mechanical data 

|**Housing**|Rectangular|
|---|---|
|**Dimensions (W x H x D)**|15.6 mm x 48.5 mm x 42 mm|
|**Connection**|Male connector M12, 4-pin|
|**Material**||
|Housing|Metal|
|Front screen|Plastic, PMMA|
|**Weight**|120 g|



## Ambient data 

|**Enclosure rating**|IP66<br>IP67<br>IP69K|
|---|---|
|**Ambient operating temperature**|–40 °C ... +60 °C|
|**Ambient temperature, storage**|–40 °C ... +75 °C|
|**UL File No.**|NRKH.E181493 & NRKH7.E181493|
|Classifications||
|**ECLASS 5.0**|27270901|



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**PHOTOELECTRIC SENSORS | SICK** 

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**WSE12-3N2431 | W12-3** SMALL PHOTOELECTRIC SENSORS 

|**ECLASS 5.1.4**|27270901|
|---|---|
|**ECLASS 6.0**|27270901|
|**ECLASS 6.2**|27270901|
|**ECLASS 7.0**|27270901|
|**ECLASS 8.0**|27270901|
|**ECLASS 8.1**|27270901|
|**ECLASS 9.0**|27270901|
|**ECLASS 10.0**|27270901|
|**ECLASS 11.0**|27270901|
|**ECLASS 12.0**|27270901|
|**ETIM 5.0**|EC002716|
|**ETIM 6.0**|EC002716|
|**ETIM 7.0**|EC002716|
|**ETIM 8.0**|EC002716|
|**UNSPSC 16.0901**|39121528|



Adjustments 

WL12-3, WSE12-3 

② LED indicator yellow: Status of received light beam 

③ LED indicator green: Supply voltage active 

⑥ Sensitivity control: potentiometer 

Connection type 

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**PHOTOELECTRIC SENSORS | SICK** 

**WSE12-3N2431 | W12-3** SMALL PHOTOELECTRIC SENSORS 

## Connection diagram 

## Cd-072 

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� �<br>BN 1 + (L+) BN 1 + (L+)<br>WH 2 WH 2<br>not connected Q<br>BU 3 BU 3<br>-  (M) -  (M)<br>BK 4 BK 4<br>Test Q<br>①   Sender<br>②   Receiver<br>**----- End of picture text -----**<br>


## Characteristic curve 

WSE12-3 

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1000<br>100<br>10<br>Sensing range<br>Sensing range, typ. max.<br>1<br>m 4 8 12 16 20<br>(feet) (13.12) (26.25) (39.37) (52.49) (65.62)<br>Distance in m (feet)<br>**----- End of picture text -----**<br>


## Sensing range diagram 

WSE12-3 

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0 15 20<br>0 4 8 12 16 20<br>(13.12) (26.25) (39.37) (52.49) (65.62)<br>Distance in m (feet)<br>Sensing range Sensing range typ. max.<br>**----- End of picture text -----**<br>


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**PHOTOELECTRIC SENSORS | SICK** 

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**WSE12-3N2431 | W12-3** SMALL PHOTOELECTRIC SENSORS 

## Dimensional drawing (Dimensions in mm (inch)) 

WL12-3, WSE12-3 

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24 (0.94) 10 (0.39)<br>4<br>42 (1.65)<br>15.6 (0.61) 29.9 (1.18)<br>5<br>12.9<br>1 (0.51)<br>7.3 (0.29) 6.1<br>(0.24)<br>ian<br>7 5<br>23.1<br>(0.91)<br>6<br>3<br>2<br>19.4<br>(0.76)<br>a<br>3.5<br>(0.14)<br>ø 4.2 (0.91)<br> (1.57)  (1.91)<br> (1.26) 39.9 48.5<br>32<br>5.1 0.2)(<br>**----- End of picture text -----**<br>


- ① Optical axis 

- ② LED indicator yellow: Status of received light beam 

- ③ LED indicator green: Supply voltage active 

- ④ M4 threaded mounting hole, 4 mm deep 

- ⑤ Mounting hole, Ø 4.2 mm 

- ⑥ Sensitivity control: potentiometer 

- ⑦ Connection 

## Recommended accessories 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Plug connectors and cables||||
|%e|• **Connection type head A:**Female connector, M12, 4-pin, straight, A-coded<br>• **Connection type head B:**Flying leads<br>• **Signal type:**Sensor/actuator cable<br>• **Cable:**5 m, 4-wire, PVC<br>• **Description:**Sensor/actuator cable, unshielded<br>• **Application:**Zones with chemicals|YF2A14-<br>050VB3XLEAX|2096235|
|wy,|• **Connection type head A:**Male connector, M12, 4-pin, straight<br>• **Description:**Unshielded<br>• **Connection systems:**Screw-type terminals<br>• **Permitted cross-section:**≤ 0.75 mm²|STE-1204-G|6009932|



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**Product data sheet | 2024-04-12 18:08:36 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

## SICK At A GlAnCe 

SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely and efficiently, protecting individuals from accidents and preventing damage to the environment. 

We have extensive experience in a wide range of industries and understand their processes and requirements. With intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia and North America, system solutions are tested and optimized in accordance with customer specifications. All this makes us a reliable supplier and development partner. 

Comprehensive services complete our offering: SICK lifetime Services provide support throughout the machine life cycle and ensure safety and productivity. 

For us, that is “Sensor Intelligence.” 

## WOrldWIde preSenCe: 

Contacts and other locations www.sick.com 

SICK AG | Waldkirch | Germany | www.sick.com 



## Links

- [View this product on Novapart](https://novapart.co/products/WSE12-3N2431/photoelectric-sensor-20m-npn-through-beam-10-to)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/wse12-3n2431/photoelectric-sensor-20m-npn-10/dp/4391471)
---

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