# Photo Sensor, 180 mm, PNP, Proximity Diffuse, 10 to 30 VDC, M8 Connector, W4S-3 Series

![Product image](https://novapart.co/image/farnell:4058893/)

**URL**: https://novapart.co/products/WTB4S-3P2261/photo-sensor-180-mm-pnp-proximity-diffuse-10-to-30
**SKU**: WTB4S-3P2261
**Manufacturer**: SICK
**Price**: €156.6700
**Stock**: 10+
**Lead Time**: 43 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W4 Series |
| Sensing Method | Proximity Diffuse |
| Connection Method | M8 Connector |
| Sensing Range Max | 180mm |
| Sensor Output Type | PNP |
| Supply Voltage Max | 30V |
| Supply Voltage Min | 10V |
| Sensing Distance Max | 180mm |
| Supply Voltage Dc Max | 30V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4058893/)

WTB4S-3P2261 W4 **MINIATURE PHOTOELECTRIC SENSORS** 

**WTB4S-3P2261 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**|**Part no.**|
|---|---|
|WTB4S-3P2261|1042041|
|Other models and accessories<br> www.sick.com/W4<br>|||



**==> picture [63 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
Illustration may differ<br>**----- End of picture text -----**<br>


## Detailed technical data 

## Features 

|**Functional principle**|Photoelectric proximity sensor|
|---|---|
|**Functional principle detail**|Background suppression|
|**Sensing range max.**|4 mm ... 180 mm1)|
|**Sensing range**|10 mm ... 180 mm1)|
|**Emitted beam**||
|Light source|PinPoint LED2)|
|Type of light|Visible red light|
|Light spot size (distance)|Ø 6.5 mm (150 mm)|
|**Key LED figures**||
|Wave length|650 nm|
|**Adjustment**|Potentiometer, 5 turns|



1) Object with 90% remission (based on standard white, DIN 5033). 

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

## Safety-related parameters 

|**MTTFD**|1,221 years|
|---|---|
|**DCavg**|0 %|



**Product data sheet | 2023-10-07 01:14:58 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

**WTB4S-3P2261 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Electrical data 

|**Supply voltage UB**|10 V DC ... 30 V DC1)|
|---|---|
|**Ripple**|< 5 Vpp 2)|
|**Current consumption**|20 mA3)|
|**Protection class**|III|
|**Digital output**||
|Type|PNP|
|Output current Imax.|≤ 100 mA|
|Response time|< 0.5 ms4)|
|Switching frequency|1,000 Hz5)|
|**Switching mode**|Light/dark switching|
|**Output function**|Complementary|
|**Circuit protection**|A6)<br>C7)<br>D8)|



1) Limit values. 

- 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|
|---|---|
|**Design detail**|Slim|
|**Dimensions (W x H x D)**|12.2 mm x 41.8 mm x 17.3 mm|
|**Connection**|Male connector M8, 4-pin|
|**Material**||
|Housing|Plastic, ABS|
|Front screen|Plastic, PMMA|
|**Weight**|30 g|
|Ambient data||
|**Enclosure rating**|IP67<br>IP66|
|**Ambient operating temperature**|–40 °C ... +60 °C|
|**Ambient temperature, storage**|–40 °C ... +75 °C|
|**UL File No.**|NRKH.E181493 & NRKH7.E181493|



## Classifications 

|**eCl@ss 5.0**|27270904|
|---|---|
|**eCl@ss 5.1.4**|27270904|
|**eCl@ss 6.0**|27270904|
|**eCl@ss 6.2**|27270904|



**2023-10-07 01:14:58 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

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**WTB4S-3P2261 | W4** MINIATURE PHOTOELECTRIC SENSORS 

|**eCl@ss 7.0**|27270904|
|---|---|
|**eCl@ss 8.0**|27270904|
|**eCl@ss 8.1**|27270904|
|**eCl@ss 9.0**|27270904|
|**eCl@ss 10.0**|27270904|
|**eCl@ss 11.0**|27270904|
|**eCl@ss 12.0**|27270903|
|**ETIM 5.0**|EC002719|
|**ETIM 6.0**|EC002719|
|**ETIM 7.0**|EC002719|
|**ETIM 8.0**|EC002719|
|**UNSPSC 16.0901**|39121528|



## Connection type 

## Connection diagram 

Cd-083 

BN 1 + (L+) WH 2 Q ~~~—-~~ BU 3 ~~I~~ **-** (M) BK 4 ~~>—_1=~~ Q 

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**Product data sheet | 2023-10-07 01:14:58 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**WTB4S-3P2261 | W4** MINIATURE PHOTOELECTRIC SENSORS 

## Characteristic curve 

## WTB4S-3, 180 mm 

% of sensing distance 

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**----- Start of picture text -----**<br>
30<br>25<br>20<br>15<br>10<br>5<br>0<br>mm 20 60 100 140 180<br>(inch) (0.79) (2.36) (3.94) (5.51) (7.09)<br>Distance in mm (inch)<br>①   Sensing range on black, 6% remission factor<br>②   Sensing range on gray, 18% remission factor<br>③   Sensing range on white, 90% remission factor<br>**----- End of picture text -----**<br>


Sensing range diagram WTB4S-3, 180 mm 

**==> picture [200 x 92] intentionally omitted <==**

**----- Start of picture text -----**<br>
� 4 10 180<br>� 4 10 180<br>� 4 10 180<br>0 45 90 135 180<br>(1.77) (3.54) (5.31) (7.09)<br>Distance in mm (inch)<br>Sensing range max. Sensing range<br>**----- End of picture text -----**<br>


- ① Sensing range on black, 6% remission factor 

- ② Sensing range on gray, 18% remission factor 

- ③ Sensing range on white, 90% remission factor 

**2023-10-07 01:14:58 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**5** 

**WTB4S-3P2261 | W4** MINIATURE PHOTOELECTRIC SENSORS 

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

WTB4S-3, potentiometer 

**==> picture [206 x 240] intentionally omitted <==**

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12.2<br>(0.48) 17.3 (0.68)<br>_: -_:<br>3 a_i<br>1<br>2<br>|<br>7<br>8<br>=<br>M8 2.7<br>(0.11) 12 (0.47)<br>5 4<br>a<br>6<br>10.97.7 0.430.30)()( 291.14)(<br>12.8 0.50)(<br>**----- End of picture text -----**<br>


① Standard direction of the material being detected 

- ② Optical axis, receiver 

- ③ Optical axis, sender 

- ④ LED indicator green: Supply voltage active 

|①Standard direction of the material being detected<br>②Optical axis, receiver<br>③Optical axis, sender<br>④LED indicator green: Supply voltage active|Standard direction of the material being detected<br>Optical axis, receiver<br>Optical axis, sender<br>LED indicator green: Supply voltage active|
|---|---|
|⑤LED indicator yellow: Status of received light beam|LED indicator yellow: Status of received light beam|
|⑥Potentiometer|Potentiometer|
|⑦Threaded mounting hole M3|Threaded mounting hole M3|



⑧ Connection 

## Recommended accessories 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Mounting brackets and plates||||
||Mounting bracket for wall mounting, Stainless steel 1.4571, mounting hardware includ-<br>ed|BEF-W4-A|2051628|
|Plug connectors and cables||||
|&,|Head A: female connector, M8, 4-pin, straight, A-coded<br>Head B: Flying leads<br>Cable: Sensor/actuator cable, PVC, unshielded, 5 m|YF8U14-<br>050VA3XLEAX|2095889|
||Head A: male connector, M8, 4-pin, straight<br>Cable: unshielded|STE-0804-G|6037323|



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**Product data sheet | 2023-10-07 01:14:58 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/WTB4S-3P2261/photo-sensor-180-mm-pnp-proximity-diffuse-10-to-30)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/wtb4s-3p2261/sensor-proximity-diffuse-m8-180mm/dp/4058893)
---

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