# Photo Sensor, 18 mm, NPN, Energetic, Proximity, 12 to 24 VDC, Cable, W2 Series

![Product image](https://novapart.co/image/farnell:4390032/)

**URL**: https://novapart.co/products/WT2F-N140/photo-sensor-18-mm-npn-energetic-proximity-12-to
**SKU**: WT2F-N140
**Manufacturer**: SICK
**Price**: €114.6100
**Stock**: 10+
**Lead Time**: 50 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W2 Series |
| Sensing Method | Energetic, Proximity |
| Connection Method | Cable |
| Sensing Range Max | 18mm |
| Sensor Output Type | NPN |
| Supply Voltage Dc Max | 24V |
| Supply Voltage Dc Min | 12V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4390032/)

## WT2F-N140 

W2 

**MINIATURE PHOTOELECTRIC SENSORS** 

**WT2F-N140 | W2** MINIATURE PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**|**Part no.**|
|---|---|
|WT2F-N140|6030583|
|Other models and accessories<br> www.sick.com/W2||



**==> 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**|Energetic|
|**Dimensions (W x H x D)**|14 mm x 19.5 mm x 3.5 mm|
|**Housing design (light emission)**|Rectangular|
|**Sensing range max.**|2 mm ... 18 mm1)|
|**Sensing range**|2 mm ... 18 mm1)|
|**Type of light**|Visible red light|
|**Light source**|LED2)|
|**Wave length**|660 nm|
|**Adjustment**|None|



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

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

## Mechanics/electronics 

|**Supply voltage UB**|12 V DC ... 24 V DC1)|
|---|---|
|**Ripple**|< 5 Vpp 2)|
|**Switching output**|NPN|
|**Switching mode**|Light switching|
|**Signal voltage PNP HIGH/LOW**|Approx. VS– 1.8 V / 0 V|



1) +- 10 %. 

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

- 3) Signal transit time with resistive load. 

- 4) With light/dark ratio 1:1. 

- 5) Do not bend below 0 °C. 

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

- 7) C = interference suppression. 

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

**Product data sheet | 2024-03-28 14:31:19 Subject to change without notice** 

**2 PHOTOELECTRIC SENSORS | SICK** 

**WT2F-N140 | W2** MINIATURE PHOTOELECTRIC SENSORS 

|**Signal voltage NPN HIGH/LOW**|Approx. VS/ < 1.8 V|
|---|---|
|**Output current Imax.**|≤ 50 mA|
|**Response time**|≤ 0.5 ms3)|
|**Switching frequency**|1,000 Hz4)|
|**Connection type**|Cable, 3-wire, 2 m5)|
|**Cable material**|PVC|
|**Cable diameter**|Ø 2.4 mm|
|**Circuit protection**|A6)<br>C7)<br>D8)|
|**Weight**|20 g|
|**Reverse polarity protection**|✔|
|**Short-circuit protection**|✔|
|**Housing material**|Plastic, PC|
|**Optics material**|Plastic, PC|
|**Enclosure rating**|IP67|
|**Ambient operating temperature**|–20 °C ... +55 °C|
|**Ambient temperature, storage**|–40 °C ... +75 °C|



1) +- 10 %. 

2) May not exceed or fall below Uv tolerances. 

- 3) Signal transit time with resistive load. 

- 4) With light/dark ratio 1:1. 

- 5) Do not bend below 0 °C. 

6) A = VS connections reverse-polarity protected. 

7) C = interference suppression. 

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

## Safety-related parameters 

|**MTTFD**|1,526 years|
|---|---|
|**DCavg**|0 %|



## Classifications 

|**ECLASS 5.0**|27270903|
|---|---|
|**ECLASS 5.1.4**|27270903|
|**ECLASS 6.0**|27270903|
|**ECLASS 6.2**|27270903|
|**ECLASS 7.0**|27270903|
|**ECLASS 8.0**|27270903|
|**ECLASS 8.1**|27270903|
|**ECLASS 9.0**|27270903|
|**ECLASS 10.0**|27270904|
|**ECLASS 11.0**|27270904|
|**ECLASS 12.0**|27270903|
|**ETIM 5.0**|EC001821|



**2024-03-28 14:31:19 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**WT2F-N140 | W2** MINIATURE PHOTOELECTRIC SENSORS 

|**ETIM 6.0**|EC001821|
|---|---|
|**ETIM 7.0**|EC002719|
|**ETIM 8.0**<br>**UNSPSC 16.0901**|EC002719<br>39121528|



Connection type 

Wx2F-x1xx 

## Connection diagram 

Cd-043 

BN + (L+) BU **-** (M) BK Q 

**4** 

**Product data sheet | 2024-03-28 14:31:19 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**WT2F-N140 | W2** MINIATURE PHOTOELECTRIC SENSORS 

## Characteristic curve 

WT2F, 18 mm 

**==> picture [200 x 216] intentionally omitted <==**

**----- Start of picture text -----**<br>
10<br>3<br>2<br>1<br>1<br>Sensing range typ. max.<br>mm 5 10 15 20<br>(inch) (0.20) (0.39) (0.59) (0.79)<br>Distance in mm (inch)<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 

## Sensing range diagram 

WT2F, 18 mm 

**==> picture [200 x 91] intentionally omitted <==**

**----- Start of picture text -----**<br>
� 2 6<br>� 2 10<br>� 2 18<br>0 5 10 15 20<br>(0.20) (0.39) (0.59) (0.79)<br>Distance in mm (inch)<br>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 

**2024-03-28 14:31:19 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**5** 

**WT2F-N140 | W2** MINIATURE PHOTOELECTRIC SENSORS 

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

## WT2F 

14 (0.55) 3.7 (0.15) 1.9 (0.07) 3.5 (0.14) 4 5 1 3 2 1 ~~a a~~ 6 ~~|~~ ① Mounting holes, Ø 2.1 mm 

- ② Optical axis, sender 

- ③ Optical axis, receiver 

- ④ LED indicator orange: switching output active 

- ⑤ LED indicator green: strength indicator 

- ⑥ Connection 

## Recommended accessories 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Plug connectors and cables||||
||• **Connection type head A:**Male connector, M8, 3-pin, straight<br>• **Description:**Unshielded<br>• **Connection systems:**Screw-type terminals<br>• **Permitted cross-section:**0.14 mm² ... 0.5 mm²|STE-0803-G|6037322|



**6** 

**Product data sheet | 2024-03-28 14:31:19 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/WT2F-N140/photo-sensor-18-mm-npn-energetic-proximity-12-to)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/wt2f-n140/photoelectric-sensor-18mm-npn/dp/4390032)
---

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