# Photoelectric Sensor, 2m, NPN/PNP/Push Pull, Proximity, 7 Pin Q7 Connector Cable, W26 Series

![Product image](https://novapart.co/image/farnell:4391253/)

**URL**: https://novapart.co/products/WTB26I-3B111120ZZZ/photoelectric-sensor-2m-npn-pnp-push-pull
**SKU**: WTB26I-3B111120ZZZ
**Manufacturer**: SICK
**Price**: €218.5100
**Stock**: 10+
**Lead Time**: 71 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | W26 Series |
| Sensing Method | Background Suppression, Proximity |
| Connection Method | Cable with 7 Pin Q7 Connector |
| Sensing Range Max | 2m |
| Sensor Output Type | NPN / PNP, Push Pull |
| Supply Voltage Dc Max | 30V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4391253/)

WTB26I-3B111120ZZZ W26 

**COMPACT PHOTOELECTRIC SENSORS** 

**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**|**Part no.**|
|---|---|
|WTB26I-3B111120ZZZ|1222817|
|Other models and accessories<br> www.sick.com/W26||



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

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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**<br>Sensing range min.<br>Sensing range max.<br>Adjustable switching threshold for background<br>suppression<br>Reference object<br>Minimum distance between set sensing range<br>and background (black 6% / white 90%)<br>Recommended sensing range for the best per-<br>formance|30 mm<br>2,000 mm<br>180 mm ... 2,000 mm<br>Object with 90% remission factor (complies with standard white according to DIN 5033)<br>85 mm, at a distance of 800 mm<br>200 mm ... 800 mm|
|**Emitted beam**<br>Light source<br>Type of light<br>Shape of light spot<br>Light spot size (distance)<br>Maximum dispersion of the emitted beam<br>around the standardized transmission axis<br>(squint angle)|LED<br>Infrared light<br>Point-shaped<br>Ø 14 mm (1,000 mm)<br>< +/- 1.0° (at Ta = +23 °C)|
|**Key LED figures**<br>Normative reference<br>LED risk group marking<br>Wave length|EN 62471:2008-09 | IEC 62471:2006, modified<br>Free group<br>850 nm|



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**PHOTOELECTRIC SENSORS | SICK** 

**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

|Average service life|100,000 h at Ta= +25 °C|
|---|---|
|**Adjustment**||
|Teach-Turn adjustment|BluePilot: For setting the sensing range|
|**Indication**||
|LED blue|BluePilot: sensing range indicator|
|LED green|Operating indicator<br>Static on: power on|
|LED yellow|Status of received light beam<br>Static on: object present<br>Static off: object not present|
|Safety-related parameters||
|**MTTFD**|626 years|
|**DCavg**|0 %|
|**TM (mission time)**|EN ISO 13849, rate of use: 60 %|
|Electrical data||
|**Supply voltage UB**|10 V DC ... 30 V DC1)|
|**Ripple**|≤ 5 Vpp|
|**Usage category**|DC-12 (According to EN 60947-5-2)<br>DC-13 (According to EN 60947-5-2)|
|**Current consumption**|≤ 30 mA, without load. At UB= 24 V2)|
|**Protection class**|III|
|**Digital output**||
|Number|2 (Complementary)|
|Type|Push-pull: PNP/NPN|
|Signal voltage PNP HIGH/LOW|Approx. UB-2.5 V / 0 V|
|Signal voltage NPN HIGH/LOW|Approx. UB/ < 2.5 V|
|Output current Imax.|≤ 100 mA|
|Circuit protection outputs|Reverse polarity protected<br>Overcurrent and short-circuit protected|
|Response time|≤ 500 µs3)|
|Repeatability (response time)|150 µs|
|Switching frequency|1,000 Hz4)|
|**Pin/Wire assignment**||
|Function of pin 4/black (BK)|Digital output, light switching, object present → output Q HIGH5)|
|Pin 5 function/white (WH)|Digital output, dark switching, object present → outputǬLOW|



- 1) Limit values. 

- 2) 10 V DC ... 16 V DC, without load. 

- 3) Signal transit time with resistive load in switching mode. 

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

- 5) This switching output must not be connected to another output. 

## Mechanical data 

|**Housing**|Rectangular|
|---|---|
|**Dimensions (W x H x D)**|24.6 mm x 82.5 mm x 53.3 mm|



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**PHOTOELECTRIC SENSORS | SICK** 

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**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

|**Connection**|Cable with Q7 male connector, 7-pin, DC-coded, 298 mm|
|---|---|
|**Connection detail**<br>Deep-freeze property<br>Conductor size<br>Cable diameter<br>Length of cable (L)<br>Bending radius<br>Bending cycles|Do not bend below 0 °C<br>0.14 mm²<br>Ø 4.8 mm<br>270 mm<br>For flexible use > 12 x cable diameter<br>1,000,000|
|**Material**<br>Housing<br>Front screen<br>Cable<br>Male connector|Plastic, VISTAL®<br>Plastic, PMMA<br>PVC<br>Plastic, VISTAL®|
|**Weight**|Approx. 100 g|
|**Maximum tightening torque of the fixing**<br>**screws**|1.3 Nm|



## Ambient data 

|**Enclosure rating**|IP65 (EN 60529)|
|---|---|
|**Ambient operating temperature**|–40 °C ... +60 °C|
|**Ambient temperature, storage**|–40 °C ... +75 °C|
|**Shock resistance**|50 g, 11 ms (25 positive and 25 negative shocks per axis, for X, Y, Z axes, 150 shocks in total<br>(EN60068-2-27))<br>50 g, 6 ms (5,000 positive and 5,000 negative shocks per axis, for X, Y, Z axes, 30,000 shocks<br>in total (EN60068-2-27))|
|**Vibration resistance**|10 Hz ... 2,000 Hz (Amplitude 0.5 mm / 10 g, 20 sweeps per axis, for X, Y, Z axes, 1 oc-<br>tave/min, (EN60068-2-6))|
|**Air humidity**|35 % ... 95 %, Relative humidity (no condensation)|
|**Electromagnetic compatibility (EMC)**|EN 60947-5-2|
|**UL File No.**|NRKH.E181493 & NRKH7.E181493|



## Classifications 

|**ECLASS 5.0**|27270904|
|---|---|
|**ECLASS 5.1.4**|27270904|
|**ECLASS 6.0**|27270904|
|**ECLASS 6.2**|27270904|
|**ECLASS 7.0**|27270904|
|**ECLASS 8.0**|27270904|
|**ECLASS 8.1**|27270904|
|**ECLASS 9.0**|27270904|
|**ECLASS 10.0**|27270904|
|**ECLASS 11.0**|27270904|
|**ECLASS 12.0**|27270903|
|**ETIM 5.0**|EC002719|
|**ETIM 6.0**|EC002719|



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**PHOTOELECTRIC SENSORS | SICK** 

**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

|**ETIM 7.0**|EC002719|
|---|---|
|**ETIM 8.0**|EC002719|
|**UNSPSC 16.0901**|39121528|



Dimensional drawing (Dimensions in mm (inch)) 

Dimensional drawing, sensor 

**==> picture [238 x 185] intentionally omitted <==**

**----- Start of picture text -----**<br>
48.1 (1.89)<br>24.6 (0.97) Ø 5.2 (0.2) 6<br>4<br>2<br>1<br>3 10 40 (1.57)<br>(0.39) 44.2 (1.74)<br>4<br>7.1 (0.28)<br>12.9 5 10.8 (0.43)<br>(0.51) 6.4 25 (0.98) 8.1 (0.32)<br>(0.25) 38.8 (1.53)<br>53.3 (2.1)<br>)<br>0.98)( )<br>25  3.25( 3.01( (2.76) (3.24)<br>) 82.5 65. (0.2) 70  82.2<br>1.28( 7  (0.32)<br>32.4 8.1 Ø 5.2<br>)<br>7.3 0.29(<br>**----- End of picture text -----**<br>


- ① Standard direction of the material being detected 

- ② Center of optical axis, sender 

- ③ Center of optical axis, receiver 

- ④ Mounting hole, Ø 5.2 mm 

- ⑤ Connection 

- ⑥ Display and adjustment elements 

## Adjustments 

Display and adjustment elements 

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4<br>3<br>1 2<br>①   LED indicator green<br>②   LED indicator yellow<br>**----- End of picture text -----**<br>


③ Teach-Turn adjustment 

④ LED blue 

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**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

## Connection type 

Cubic connector, 7-pin 

> 7 ~~Fg~~ 1 6 5 2 

> 4 D-+}|e—< 3 

## Connection diagram 

Cd-191 

1 + (L+) ~~<—-~~ 2 ~~——_1~~ **-** (M) I 3 not connected 4 ~~aa~~ Q 5 Q I 6 ~~—-~~ not connected 7 ~~—_1=~~ not connected 

## Truth table 

Push-pull: PNP/NPN – dark switching Ǭ 

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**----- Start of picture text -----**<br>
Pe Dark switching Q (normally closed (upper switch), normally open (lower switch))<br>Object not present - Output HIGH Object present - Output LOW<br>ee ee<br>Light receive )<br>Light receive indicator<br>Load resistance to L+ A<br>Load resistance to M A<br>J<br>+ (L+) + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>**----- End of picture text -----**<br>


Push-pull: PNP/NPN - light switching Q 

**==> picture [239 x 115] intentionally omitted <==**

**----- Start of picture text -----**<br>
ee Light switching Q (normally open (upper switch), normally closed (lower switch))<br>Object not present - Output LOW Object present - Output HIGH<br>ee ee<br>Light receive g<br>Light receive indicator 1@:<br>Load resistance to L+ A<br>Load resistance to M A<br>=<br>U J<br>+ (L+) + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>**----- End of picture text -----**<br>


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**PHOTOELECTRIC SENSORS | SICK** 

**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

## Characteristic curve 

## WTB26I-xxxxx1xx 

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Minimum distance in mm (y) between the set sensing<br>range and white background (90 % remission)<br>y<br>250 Example:<br>Safe suppression of the background<br>2<br>200 1 18%/90% White background (90 %)<br>6%/90%<br>150<br>100 3 x y<br>90%/90%<br>50 Black object (6 % remission)<br>Set sensing range x = 800 mm<br>Needed minimum distance to white<br>0 x background y = 85 mm<br>0 400 800 1,200 1,600 2,000<br>(15.75) (31.5) (47.24) (62.99) (78.74)<br>Distance in mm (inch)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


- ① Black object, 6% remission factor 

- ② Gray object, 18% remission factor 

- ③ White object, 90% remission factor 

## Light spot size 

## WTB26I-xxxxx1xx 

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**----- Start of picture text -----**<br>
Dimensions in mm (inch)<br>12<br>(0.47)<br>8<br>(0.31)<br>4<br>(0.16)<br>0<br>–4<br>(–0.16)<br>–8<br>(–0.31)<br>–12<br>(–0.47) 0 500 1.000 1.500 2.000 2.500<br>(19.69) (39.37) (59.06) (78.74) (98.43) 30 1.000 2.000<br>Distance in mm (inch) (1.18) (39.37) (78.74)<br>Recommended sensing range for<br>the best performance<br>**----- End of picture text -----**<br>


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**WTB26I-3B111120ZZZ | W26** COMPACT PHOTOELECTRIC SENSORS 

## Sensing range diagram 

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**----- Start of picture text -----**<br>
et 1 100      /       180 1,000 TC O<br>| 2 |S 75    /     180 ______ 1,400  Sa<br>—o 3 30 180 2,000<br>0 180 500 1,000 1,500 2,000<br>(7.09) (19.69) (39.37) (59.06) (78.74)<br>Distance in mm (inch)<br>D<br>BluePilot<br>E<br>| Vip c 1 F<br>C<br>A B<br>**----- End of picture text -----**<br>


~~_~~ Recommended sensing range for the best performance 

- 1 Black object, 6% remission factor 2 Gray object, 18% remission factor 3 White object, 90% remission factor A Sensing range min. in mm B Sensing range max. in mm C Field of view D Adjustable switching threshold for background suppression E Sensing range indicator F Teach-Turn adjustment 

## Recommended accessories 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Universal bar clamp systems||||
||Plate N12 for universal clamp. For mounting PL30A, P250 reflectors, W27 and WTR2<br>sensors., Zinc plated steel (sheet), Zinc die cast (clamping bracket), Universal clamp<br>(2022726), mounting hardware|BEF-KHS-N12|2071950|
|Plug connectors and cables||||
||Head A: female connector, Q7, 7-pin, angled, DC-coded<br>Cable: unshielded|DOS-2107-W|6006823|



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**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 



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- [Supplier page](https://es.farnell.com/sick/wtb26i-3b111120zzz/photoelectric-sensor-2m-npn-pnp/dp/4391253)
---

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