# Photoelectric Sensor, W9-3 Series, Background Suppression, 350 mm, PNP, 10 to 30 Vdc

![Product image](https://novapart.co/image/farnell:2776944/)

**URL**: https://novapart.co/products/WTB9-3P2261/photoelectric-sensor-w9-3-series-background
**SKU**: WTB9-3P2261
**Manufacturer**: SICK
**Price**: €163.2300
**Stock**: 10+
**Lead Time**: 36 days (indicative)

## Description

Sensing Range Max:350mm; Sensing Method:Background Suppression; Sensor Output:PNP; Product Range:W9-3 Series; Connection Method:M8 Connector; Supply Voltage DC Min:10VDC; Supply Voltage

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W9 Series |
| Sensing Method | Background Suppression |
| Connection Method | M8 Connector |
| Sensing Range Max | 350mm |
| Sensor Output Type | PNP |
| Supply Voltage Max | 30VDC |
| Supply Voltage Min | 10VDC |
| Sensing Distance Max | 350mm |
| Supply Voltage Dc Max | 30VDC |
| Supply Voltage Dc Min | 10VDC |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2776944/)

WTB9-3P2261 W9-3 **PHOTOELECTRIC SENSORS** 

**WTB9-3P2261 | W9-3** PHOTOELECTRIC SENSORS 

## Ordering information 

**Type Part no.** \ ~~|~~ WTB9-3P2261 1049047 Other models and accessories www.sick.com/W9-3 

Illustration may differ 

## Detailed technical data 

## Features 

|**Sensor/detection principle**|Photoelectric proximity sensor, Background suppression|
|---|---|
|**Dimensions (W x H x D)**|12.2 mm x 49.8 mm x 23.6 mm|
|**Housing design (light emission)**|Rectangular|
|**Mounting hole**|M3|
|**Sensing range max.**|20 mm ... 350 mm1)|
|**Sensing range**|20 mm ... 200 mm2)|
|**Type of light**|Visible red light|
|**Light source**|PinPoint LED3)|
|**Light spot size (distance)**|Ø 4.5 mm (75 mm)|
|**Wave length**|650 nm|
|**Adjustment**|Potentiometer, 5 turns|



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

- 2) Object with 6 % reflectance (referred to standard white, DIN 5033). 

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

**Online data sheet | 2017-07-11 19:36:27 Subject to change without notice** 

**2** 

**PHOTOELECTRIC SENSORS | SICK** 

**WTB9-3P2261 | W9-3** PHOTOELECTRIC SENSORS 

## Mechanics/electronics 

|**Supply voltage**|10 V DC ... 30 V DC1)|
|---|---|
|**Ripple**|< 5 Vpp 2)|
|**Power consumption**|≤ 30 mA3)|
|**Output type**|PNP4)|
|**Output function**|Complementary|
|**Switching mode**|Light/dark switching4)|
|**Output current Imax.**|≤ 100 mA5)|
|**Response time**|< 0.333 ms6)|
|**Switching frequency**|1,500 Hz7)|
|**Connection type**|Connector M8, 4-pin|
|**Circuit protection**|A8)<br>B9)<br>C10)|
|**Protection class**|III|
|**Weight**|13 g|
|**Housing material**|Plastic, VISTAL®, Plastic, PMMA|
|**Optics material**|Plastic, PMMA|
|**Enclosure rating**|IP66<br>IP67<br>IP69K|
|**Ambient operating temperature**|–40 °C ... +60 °C|
|**Ambient storage temperature**|–40 °C ... +75 °C|
|**UL File No.**|NRKH.E181493|



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) Q = light switching. 5) At and above Tu 50 °C, a max. load current of Imax. = 50 mA is permitted. 6) Signal transit time with resistive load. 7) With light/dark ratio 1:1. 8) A = VS connections reverse-polarity protected. 9) B = inputs and output reverse-polarity protected. 10) C = interference suppression. 

## 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|
|**ECl@ss 8.0**|27270904|
|**ECl@ss 8.1**|27270904|
|**ECl@ss 9.0**|27270904|
|**ETIM 5.0**|EC002719|



**2017-07-11 19:36:27 | Online data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**WTB9-3P2261 | W9-3** PHOTOELECTRIC SENSORS 

**ETIM 6.0** EC002719 **UNSPSC 16.0901** 39121528 

## Adjustments possible 

Potentiometer 

- ④ LED indicator yellow: Status of received light beam 

- ⑤ LED indicator green: power on 

- ⑨ Adjustment of sensing range 

## Connection diagram 

Cd-084 

brn 1 ~~<—-~~ + (L+) ~~>.~~ wht 2 Q blu 3 **-** (M) ~~—-~~ blk 4 ~~>~~ Q 

**Online data sheet | 2017-07-11 19:36:27 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

**WTB9-3P2261 | W9-3** PHOTOELECTRIC SENSORS 

## Characteristic curve 

WTB9-3, red light, 350 mm 

## % of sensing range 

**==> picture [202 x 203] intentionally omitted <==**

**----- Start of picture text -----**<br>
25<br>WTB9-3 red light<br>6%/90%<br>20<br>�<br>18%/90%<br>15<br>�<br>90%/90%<br>10<br>�<br>5<br>0<br>mm 100 200 300 400<br>(inch) (3.94) (7.87) (11.81) (15.75)<br>**----- End of picture text -----**<br>


**==> picture [141 x 9] intentionally omitted <==**

**----- Start of picture text -----**<br>
①   Sensing range on black, 6% remission<br>**----- End of picture text -----**<br>


- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on white, 90% remission 

## Light spot size 

WTB9-3, red light, 350 mm 

**==> picture [201 x 84] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ø 6 mm Ø 6,5 mm Ø 18 mm<br>Ø 4,5 mm<br>0 75 200 400<br>Entfernung  [mm]<br>Sensor<br>**----- End of picture text -----**<br>


## Sensing range diagram 

WTB9-3, red light, 350 mm 

**==> picture [198 x 73] intentionally omitted <==**

**----- Start of picture text -----**<br>
� 20 200<br>� 20 225<br>� 20 350<br>0(mm) 100 200 300 400<br>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 

**2017-07-11 19:36:27 | Online data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**5** 

**WTB9-3P2261 | W9-3** PHOTOELECTRIC SENSORS 

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

WTB9-3 

12.2 (4.8) 23.6 (0.93) 3.7 (0.15) ~~Tag~~ ① Center of optical axis, receiver ② Center of optical axis, sender 

- ③ Mounting hole M3 (Ø 3.1 mm) 

- ④ LED indicator yellow: Status of received light beam 

- ⑤ LED indicator green: power on 

- ⑥ Connection cable 2 m ⑦ Connector M8, 4-pin 

- ⑧ Male connector M12, 4-pin 

## Recommended accessories 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Universal bar clamp systems||||
||Plate N08 for universal clamp bracket, Zinc plated steel (sheet), Zinc die cast (clamping<br>bracket), Universal clamp (5322626), mounting hardware|BEF-KHS-N08|2051607|
|Mounting brackets and plates||||
||Mounting bracket, steel, zinc coated, mounting hardware included|BEF-WN-W9-2|2022855|
||Adapter plate, Stainless steel|BEF-AP-W9|2022734|
||Fastening plate with threaded sleeve M3, PMMA, Brass (Br)|BEF-GPM3-W9|4066039|
|Plug connectors and cables||||
|~~~~~|Head A: female connector, M8, 4-pin, straight<br>Head B: cable<br>Cable: PVC, unshielded, 2 m|DOL-0804-G02M|6009870|
||Head A: female connector, M8, 4-pin, straight<br>Head B: cable<br>Cable: PVC, unshielded, 5 m|DOL-0804-G05M|6009872|



**Online data sheet | 2017-07-11 19:36:27 Subject to change without notice** 

**6 PHOTOELECTRIC SENSORS | SICK** 

**WTB9-3P2261 | W9-3** PHOTOELECTRIC SENSORS 

|||||||||||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||||Head A: female connector, M8, 4-pin, angled|DOL-0804-W02M|6009871|
|||||||||||Head B: cable|||
|||||||||||Cable: PVC, unshielded, 2 m|||
|||||||||||Head A: female connector, M8, 4-pin, angled|DOL-0804-W05M|6009873|
|||||||||||Head B: cable|||
|||||||||||Cable: PVC, unshielded, 5 m|||
|Masks|||||||||||||
||||||||||||||
|||||||||||Mask card, vertical/horizontal slots, slot width: 0.5 mm / 1.0 mm / 1.5 mm / 2.0 mm|BL-9-2|4033253|
||||||||||||||
||||||||||||||
|2,0||1,5||||1,0||0,5|||||



**2017-07-11 19:36:27 | Online data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**7** 

## 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/WTB9-3P2261/photoelectric-sensor-w9-3-series-background)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick-optic-electronic/wtb9-3p2261/photoelectric-sensor-350mm-pnp/dp/2776944)
---

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