# Fork Sensor, 30mm, Infrared LED, Optical, Digital-NPN/PNP LO/DO, 4 Pin M8 Connector, WF Series

![Product image](https://novapart.co/image/farnell:4723435/)

**URL**: https://novapart.co/products/WF30-40B410/fork-sensor-30mm-infrared-led-optical-digital-npn
**SKU**: WF30-40B410
**Manufacturer**: SICK
**Price**: €183.0700
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Ip Rating | IP65 |
| Output Type | Digital - NPN / PNP LO / DO |
| Sensor Type | Fork Sensor |
| Light Source | Infrared LED |
| Product Range | WF Series |
| Qualification | - |
| Sensing Method | Optical |
| Connection Method | 4 Pin M8 Connector |
| Supply Voltage Max | 30VDC |
| Supply Voltage Min | 10VDC |
| Sensing Distance Max | 30mm |
| Operating Temperature Max | 60°C |
| Operating Temperature Min | -20°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4723435/)

WF30-40B410 WF 

**FORK SENSORS** 

**WF30-40B410 | WF** FORK SENSORS 

## Ordering information 

**Type part no.** ~~ee~~ WF30-40B410 6028431 Other models and accessories , www.sick.com/WF 

Illustration may differ 

## Detailed technical data 

## Features 

|**Functional principle**|Optical detection principle|
|---|---|
|**Dimensions (W x H x D)**|10 mm x 60 mm x 57 mm|
|**Fork width**|30 mm|
|**Fork depth**|42 mm|
|**Light source**|LED, Infrared light|
|**Label detection**|✔|
|**Minimum detectable object (MDO)**|0.2 mm|
|**Adjustment**|Plus/minus button (Sensitivity, light/dark switching, key lock)|
|**Teach-in mode**|—|
|**Output function**|Light/darkswitching, selectable via button|
|**Safety-related parameters**<br>MTTFD<br>DCavg||
||97 years|
||0 %|



## Electronics 

|**Supply voltage**|10 V DC ... 30 V DC|
|---|---|
|**Ripple**|< 10 %|
|**Current consumption**|40 mA|
|**Initialization time**|100 ms|
|**Switching frequency**|10 kHz|
|**Response time**||
||≤ 100 µs|
|**Stability of response time**|± 20 µs|



1) Reference voltage DC 50 V. 

**Data sheet | 2026-03-29 22:49:57 Subject to change without notice** 

**2 FORK SENSORS | SICK** 

**WF30-40B410 | WF** FORK SENSORS 

|**Jitter**|40 µs|
|---|---|
|**Switching output**|PNP/NPN|
|**Switching output (voltage)**|PNP: HIGH = UV≤ 2 V / LOW approx. 0 V<br>NPN: HIGH = approx. UV/ LOW ≤ 2 V|
|**Switching mode**|Light/dark switching|
|**Output current Imax.**|100 mA|
|**Protection class**|III1)|
|**Circuit protection**|UVconnections, reverse polarity protected<br>Output Q short-circuit protected<br>Interference pulse suppression|
|**Connection type**||
||Male connector M8, 4-pin|



1) Reference voltage DC 50 V. 

## Mechanics 

|**Housing material**|Aluminum|
|---|---|
|**Weight**|Approx. 36 g ... 160 g1)|



1) Depending on fork width. 

## Ambient data 

|**Ambient operating temperature**|–20 °C ... +60 °C1)|
|---|---|
|**Ambient temperature, storage**|–30 °C ... +80 °C|
|**Ambient light immunity**|≤ 10,000 lx|
|**Shock load**|According to EN 60068-2-27|
|**Enclosure rating**|IP65|
|**UL File No.**|NRKH.E191603|



1) Do not bend below 0 °C. Certificates 

|**EU declaration of conformity**|✔|
|---|---|
|**UK declaration of conformity**|✔|
|**ACMA declaration of conformity**|✔|
|**Moroccan declaration of conformity**|✔|
|**China RoHS**|✔|
|**cULus certificate**|✔|
|**Photobiological safety (IEC EN 62471)**|✔|



## Classifications 

|**ECLASS 5.0**|27270909|
|---|---|
|**ECLASS 5.1.4**|27270909|
|**ECLASS 6.0**|27270909|
|**ECLASS 6.2**|27270909|
|**ECLASS 7.0**|27270909|
|**ECLASS 8.0**|27270909|



**2026-03-29 22:49:57 | Data sheet Subject to change without notice** 

**FORK SENSORS | SICK** 

**3** 

**WF30-40B410 | WF** FORK SENSORS 

**==> picture [209 x 152] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|ECLASS 8.1|27270909|
|ECLASS 9.0|27270909|
|ECLASS 10.0|27270909|
|ECLASS 11.0|27270909|
|ECLASS 12.0|27270909|
|ETIM 5.0|EC002720|
|ETIM 6.0|EC002720|
|ETIM 7.0|EC002720|
|ETIM 8.0|EC002720|
|UNSPSC 16.0901|39121528|

**----- End of picture text -----**<br>


## Dimensional drawing 

**==> picture [484 x 291] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||||||
|---|---|---|---|---|---|---|---|---|
|Dimensions in mm (inch)|
|M|=|o|s|}|A|B|C|C1|
|Fork width|Fork depth|
|WF2|2|42/59/95|14|5|
|7|(0.08)|(1.65/2.32/3.74)|(0.55)|(0.20)|
|(0.28)|9 (0.35)|WF5|5|42/59/95|14|6.5|
|3 (0.12)|(0.20)|(1.65/2.32/3.74)|(0.55)|(0.20)|
|WF15|15|42/59/95|27|5|
|(0.59)|(1.65/2.32/3.74)|(1.06)|(0.20)|
|WF30|30|42/59/95|42|5|
|(1.18)|(1.65/2.32/3.74)|(1.65)|(0.20)|
|WF50|50|42/59/95|51|16|
|(1.97)|(1.65/2.32/3.74)|(2.01)|(0.63)|
|ere|oO|WF80|80|42/59/95|81|16|
|(3.15)|(1.65/2.32/3.74)|(3.19)|(0.63)|
|WF120|120|42/59/95|121|16|
|(4.72)|(1.65/2.32/3.74)|(4.76)|(0.63)|
|10|
|5 (0.20)|(0.39)|B|
|=|OO|
|4.2 (0.17)|
|| |.|
|Dimensions in mm (inch)|
|①|Optical axis|
|②|Mounting hole, Ø 4.2 mm|

**----- End of picture text -----**<br>


③ WF50/80/120 only 

**4 FORK SENSORS | SICK** 

**Data sheet | 2026-03-29 22:49:57 Subject to change without notice** 

**WF30-40B410 | WF** FORK SENSORS 

## Adjustments Adjustment: plus/minus buttons (WFxx-B410) 

**==> picture [90 x 123] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 no 2<br>3<br>(<)<br>7 )<br>3s<br>+ 4<br>6s<br>**----- End of picture text -----**<br>


① Function signal indicator (yellow), switching output ② Function indicator (red) 

③ “+”/“–” buttons and function button 

## Connection diagram Cd-086 

BN 1 + (L+) WH 2 QNPN ~~i~~ BU 3 ~~r~~ **-** (M) BK 4 ~~>~~ QPNP 

Concept of operation Setting the switching threshold via plus/minus buttons (WFxx-B410) 

## **1. No object in the beam path** 

## **2. Object in the beam path** 

The yellow function indicator illuminates when the light received is at its optimum level. If necessary, increase sensitivity using the “+” button. 

Yellow function indicator goes out. If necessary, reduce sensitivity using the “–” button. 

**2026-03-29 22:49:57 | Data sheet Subject to change without notice** 

**FORK SENSORS | SICK** 

**5** 

**WF30-40B410 | WF** FORK SENSORS 

## Recommended accessories 

Other models and accessories www.sick.com/WF 

- **Brief description Type part no.** 

- connectors and cables • **Description:** Unshielded STE-0804-G 6037323 • **Connection type head A:** Male connector, M8, 4-pin, straight, A-coded • **Connection systems:** Screw-type terminals • **Permitted cross-section:** 0.14 mm² ... 0.5 mm² • **Description:** Sensor/actuator cable, unshielded YF8U14-050VA3XLEAX 2095889 • **Connection type head A:** Female connector, M8, 4-pin, straight, A-coded 

- ~~..~~ • **Connection type head B:** Flying leads ~~=a~~ • **Signal type:** Sensor/actuator cable • **Cable:** 5 m, 4-wire, PVC • **Application:** Uncontaminated zones, Zones with chemicals 

- * ~~i~~ 

**6** 

**Data sheet | 2026-03-29 22:49:57 Subject to change without notice** 

**FORK 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/WF30-40B410/fork-sensor-30mm-infrared-led-optical-digital-npn)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/wf30-40b410/fork-sensor-30mm-npn-pnp/dp/4723435)
---

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