# Photo Sensor, 150 mm, PNP, Proximity Diffuse, 10 to 30 VDC, Cable, W4-3 Series

![Product image](https://novapart.co/image/farnell:4058179/)

**URL**: https://novapart.co/products/WTB4-3P3161/photo-sensor-150-mm-pnp-proximity-diffuse-10-to-30
**SKU**: WTB4-3P3161
**Manufacturer**: SICK
**Category**: Sensors & Transducers || Sensors || Light Sensors || Distance Photoelectric Sensors
**Price**: €140.8700
**Stock**: 10+
**Lead Time**: 2 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Product Range | W4-3 Series |
| Sensor Output | PNP |
| Sensing Method | Proximity Diffuse |
| Connection Method | Cable |
| Sensing Range Max | 150mm |
| Supply Voltage Dc Max | 30V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4058179/)

WTB4-3P3161 W4-3 **MINIATURE PHOTOELECTRIC SENSORS** 

**WTB4-3P3161 | W4-3** MINIATURE PHOTOELECTRIC SENSORS 

## Ordering information 

**Type Part no.** ~~nn~~ WTB4-3P3161 1028097 Other models and accessories www.sick.com/W4-3 

Illustration may differ 

Detailed technical data Features 

|**Device type**|Photoelectric sensors|
|---|---|
|**Sensor/ detection principle**|Photoelectric proximity sensor, Background suppression|
|**Dimensions (W x H x D)**|16 mm x 39.5 mm x 12 mm|
|**Housing design (light emission)**|Rectangular|
|**Sensing range max.**|4 mm ... 150 mm1)|
|**Sensing range**|15 mm ... 150 mm1)|
|**Type of light**|Visible red light|
|**Light source**|PinPoint LED2)|
|**Light spot size (distance)**|Ø 7 mm (50 mm)|
|**Wave length**|650 nm|
|**Adjustment**|Potentiometer, 5 turns|
|**Special applications**|Detecting small objects|



1) Object with 90 % reflectance (referred to standard white, DIN 5033). 

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

**Product data sheet | 2022-02-22 15:32:39 Subject to change without notice** 

**2** 

**PHOTOELECTRIC SENSORS | SICK** 

**WTB4-3P3161 | W4-3** MINIATURE PHOTOELECTRIC SENSORS 

## Mechanics/electronics 

|**Supply voltage**|10 V DC ... 30 V DC1)|
|---|---|
|**Ripple**|< 5 Vpp 2)|
|**Current consumption**|20 mA3)|
|**Switching output**|PNP|
|**Switching mode**|Light switching|
|**Output current Imax.**|≤ 100 mA|
|**Response time**|< 0.5 ms4)|
|**Switching frequency**|1,000 Hz5)|
|**Connection type**|Cable with connector M8, 3-pin, 100 mm6)|
|**Cable material**|PVC|
|**Conductor cross-section**|0.14 mm²|
|**Cable diameter**|Ø 3.4 mm|
|**Circuit protection**|A7)<br>C8)<br>D9)|
|**Protection class**|III|
|**Weight**|30 g|
|**Housing material**|Plastic, ABS|
|**Optics material**|Plastic, PMMA|
|**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|



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) Do not bend below 0 °C. 

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

8) C = interference suppression. 

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

## Safety-related parameters 

|**MTTFD**|1,166 years|
|---|---|
|**DCavg**|0 %|



## Classifications 

|**ECl@ss 5.0**|27270904|
|---|---|
|**ECl@ss 5.1.4**|27270904|
|**ECl@ss 6.0**|27270904|
|**ECl@ss 6.2**|27270904|
|**ECl@ss 7.0**|27270904|



**2022-02-22 15:32:39 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**WTB4-3P3161 | W4-3** MINIATURE PHOTOELECTRIC SENSORS 

|**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|
|**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-045 

BN 1 + (L+) BU 3 **-** (M) BK 4 Q 

**4 PHOTOELECTRIC SENSORS | SICK** 

**Product data sheet | 2022-02-22 15:32:39 Subject to change without notice** 

**WTB4-3P3161 | W4-3** MINIATURE PHOTOELECTRIC SENSORS 

## Characteristic curve 

## WTB4-3 

**==> picture [199 x 230] intentionally omitted <==**

**----- Start of picture text -----**<br>
% of sensing distance<br>25<br>6 %/90 %<br>20<br>15<br>10<br>18 %/90 %<br>5<br>90 %/90 %<br>0<br>mm 25 50 75 100 125 150<br>(inch) (0.98) (1.97) (2.95) (3.94) (4.92) (5.91)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


- ① Sensing range on black, 6% remission 

- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on white, 90% remission 

## Sensing range diagram 

WTB4-3 

**==> picture [200 x 90] intentionally omitted <==**

**----- Start of picture text -----**<br>
� 4 15 150<br>� 4 15 150<br>� 4 15 150<br>25 50 75 100 125 150<br>(0.98) (1.97) (2.95) (3.94) (4.92) (5.91)<br>Distance in mm (inch)<br>Sensing range max. Sensing range<br>**----- End of picture text -----**<br>


- ① Sensing range on black, 6% remission 

- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on white, 90% remission 

**2022-02-22 15:32:39 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**5** 

**WTB4-3P3161 | W4-3** MINIATURE PHOTOELECTRIC SENSORS 

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

WTx4-3, potentiometer 

**==> picture [216 x 248] intentionally omitted <==**

**----- Start of picture text -----**<br>
12 (0.47) 16 (0.63)<br>3 1<br>2<br>| La[=| p e<br>7<br>= 8<br>9 (0.35)<br>4.5<br>4 5 | (0.18)<br>6<br>-<br>4 (0.16)<br>6<br>(0.24)<br>) 1.12)(<br>7.5 0.28)(<br>1.56( 28.5 )<br>0.43(<br>39.5<br>11<br>0.43)(<br>11<br>5<br>(0.2)<br>**----- End of picture text -----**<br>


- ① Standard direction of the material being detected 

- ② Optical axis, sender 

- ③ Optical axis, receiver 

- ④ LED indicator yellow: Status of received light beam 

- ⑤ LED indicator green: Supply voltage active 

- ⑥ Potentiometer 

- ⑦ Threaded mounting hole M3 

- ⑧ Connection 

## Recommended accessories 

Other models and accessories www.sick.com/W4-3 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Plug connectors and cables||||
|&,|Head A: female connector, M8, 3-pin, straight, A-coded<br>Head B: Flying leads<br>Cable: Sensor/actuator cable, PVC, unshielded, 5 m|YF8U13-<br>050VA1XLEAX|2095884|
||Head A: male connector, M8, 3-pin, straight<br>Head B: -<br>Cable: unshielded|STE-0803-G|6037322|



**6** 

**Product data sheet | 2022-02-22 15:32:39 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/WTB4-3P3161/photo-sensor-150-mm-pnp-proximity-diffuse-10-to-30)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/sick/wtb4-3p3161/sensor-proximity-diffuse-cable/dp/4058179)
---

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