GTB6L-P4211

Laser Sensor, PNP, 400mm, 10 to 30VDC, 100mA, GTB6L-P4211, G6 Series

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Manufacturer: SICK
Product type:
SVHC: No SVHC (21-Jan-2025)
IP Rating: IP67
Output Type: Digital - PNP
Sensor Type: Photoelectric Sensor
Light Source: 680nm Red Laser
Product Range: G6 Series
Qualification: -
Sensing Method: Background Suppression, Proximity
Connection Method: 4 Pin M8 Connector
Sensing Range Max: 400mm
Sensor Output Type: PNP
Supply Voltage Max: 30VDC
Supply Voltage Min: 10VDC
Sensing Distance Max: 400mm
Supply Voltage DC Max: 30V
Supply Voltage DC Min: 10V
Operating Temperature Max: 50°C
Operating Temperature Min: -20°C

Delivery and price
Units per pack	50
Price	191.3 €
Current stock	10+
Lead time	30 days

Datasheet

GTB6L-P4211 G6 **MINIATURE PHOTOELECTRIC SENSORS** 

**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

Ordering information **Type Part no.** GTB6L-P4211 1105810 Other models and accessories www.sick.com/G6 rT lili... Illustration may differ 

## CE Ws 

## 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|10 mm<br>400 mm<br>30 mm ... 400 mm<br>Object with 90% remission factor (complies with standard white according to DIN 5033)<br>3 mm, at a distance of 75 mm<br>30 mm ... 180 mm|
|**Polarisation filters**|No|
|**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)|Laser<br>Visible red light<br>Point-shaped<br>Ø 0.4 mm (150 mm)<br>< +/- 1.5° (at Ta = +23 °C)|
|**Key laser figures**<br>Normative reference<br>Laser class<br>Wave length<br>Pulse duration<br>Maximum pulse power<br>Average service life|IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11<br>1<br>680 nm<br>2 µs<br>≤ 11.9 mW<br>100,000 h at Ta= +25 °C|



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**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## **Smallest detectable object (MDO) typ.** 

|**Smallest detectable object (MDO) typ.**||
|---|---|
||0.4 mm (at 150 mm distance (object with 90% remission (corresponds to standard white<br>DIN 5033)))|
|**Adjustment**||
|Potentiometer|For setting the sensing range, 5 rotations|
|Operating mode switch|For inverting the switching function (light/dark switching)|
|**Indication**||
|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**|662 years|
|**DCavg**|0 %|
|**TM (mission time)**|10 years (EN 60825-1)|
|Electrical data||
|**Supply voltage UB**|10 V DC ... 30 V DC1)|
|**Ripple**|< 5 Vpp|
|**Usage category**|DC-13 (According to EN 60947-5-2)|
|**Current consumption**|≤ 20 mA, without load. At UB= 24 V|
|**Protection class**|III|
|**Digital output**||
|Number|1|
|Type|PNP|
|Signal voltage PNP HIGH/LOW|Approx. UB-3 V / 0 V|
|Output current Imax.|≤ 100 mA2)|
|Circuit protection outputs|Reverse polarity protected<br>Overcurrent protected<br>Short-circuit protected|
|Response time|≤ 625 µs|
|Switching frequency|1,000 Hz3)|
|**Pin/Wire assignment**||
|Function of pin 4/black (BK)|Digital output, light switching, object present → output Q HIGH|
|Function of pin 4/black (BK) – detail|The pin 4 function of the sensor can be switched, Additional possible settings via operating<br>mode switch|



- 1) Limit values UB connections, reverse polarity protected. 

2) At UB > 24 V, I max. = 50 mA. 

3) With light/dark ratio 1:1. 

## Mechanical data 

|**Housing**|Rectangular|
|---|---|
|**Dimensions (W x H x D)**|12 mm x 31.5 mm x 21 mm|
|**Connection**|Male connector M8, 4-pin|
|**Material**||



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**PHOTOELECTRIC SENSORS | SICK** 

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**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

||Housing|Plastic, ABS|
|---|---|---|
||Front screen|Plastic, PMMA|
||Cable|PVC|
||Male connector|Copper alloy (C3604 CUZN39PB3)|
|**Weight**||Approx. 60 g|



## Ambient data 

|**Enclosure rating**|IP67 (EN 60529)|
|---|---|
|**Ambient operating temperature**|–20 °C ... +50 °C1) 2)|
|**Ambient temperature, storage**|–40 °C ... +70 °C|
|**Typ. Ambient light immunity**|Sunlight: ≤ 13,000 lx|
|**Shock resistance**|30 g, 11 ms (3 positive and 3 negative shocks along X, Y, Z axes, 18 total shocks<br>(EN60068-2-27))|
|**Vibration resistance**|10 Hz ... 55 Hz (Amplitude 0.5 mm, 3x30 min (EN60068-2-6))|
|**Air humidity**|35 % ... 95 %, Relative humidity (no condensation)|
|**Electromagnetic compatibility (EMC)**|EN 60947-5-2|
|**UL File No.**|NRKH.E348498 & NRKH7.E348498|



1) As of Ta => 45 °C, a max. supply voltage UB = 24 V and a max. load current Imax. = 50 mA is permitted. 

2) Below Ta = –20 °C a warm-up time of 3 seconds is required. 

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



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**PHOTOELECTRIC SENSORS | SICK** 

**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Adjustments 

Display and adjustment elements 

**==> picture [150 x 61] intentionally omitted <==**

**----- Start of picture text -----**<br>
2 3 3 2<br>4<br>©)<br>1<br>**----- End of picture text -----**<br>


- ① Potentiometer 

- ② LED yellow 

- ③ LED green 

- ④ Operating mode switch 

## Connection type 

Male connector M8, 4-pin 

3 1 4 2 

## Connection diagram 

## Cd-066 

BN 1 + (L+) ~~an~~ WH 2 not connected BU | ~~a~~ 3 ~~—-~~ **-** (M) BK 4 ~~rs~~ Q 

## Truth table 

PNP - light switching 

**==> picture [241 x 110] intentionally omitted <==**

**----- Start of picture text -----**<br>
ee Light switching Q (normally open)<br>Object not present  Output LOW Object present  Output HIGH<br>ee ee<br>Light receive )<br>Light receive indicator<br>Load resistance A<br>V/ cf a<br>+ (L+) + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>Load Load<br>**----- End of picture text -----**<br>


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**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## PNP - dark switching 

**==> picture [240 x 110] intentionally omitted <==**

**----- Start of picture text -----**<br>
PO Dark switching Q (normally closed)<br>a Object not present  Output HIGH Object present  Output LOW<br>Light receive<br>Light receive indicator<br>Load resistance<br>(on |<br>+ (L+) + (L+)<br>Q Q<br>‒ (M) ‒ (M)<br>Load Load<br>**----- End of picture text -----**<br>


## Characteristic curve 

**==> picture [242 x 159] intentionally omitted <==**

**----- Start of picture text -----**<br>
Minimum distance in mm (y) between the set sensing<br>range (x) and white background (90% remission)<br>y<br>40 Example:<br>35 ee 1 Safe suppression of the background<br>6%/90% white<br>3025 Ee ao 2 e background (90%)<br>20 18%/90%<br>15 PeeFW paOL x y<br>10 eyA 3 Black object (6% remission) Oe<br>5 fi.s aaa 90%/90% minimum distance to white background y = 20 mm.Set sensing range x = 150 mm. Needed<br>0 x<br>0 50 100 150 200 250 300 350 400<br>(1.97) (3.94) (5.91) (7.87) (9.84) (11.81)(13.78)(15.75)<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 

**==> picture [120 x 118] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diameter in mm (inch)<br>Ø 2.2 Ø 0.4 Ø 1.8 Ø 4.6<br>(0.09) (0.02) (0.07) (0.18)<br>| | J<br>25 150 250 400<br>(0.98) (5.91) (9.84) (15.75)<br>Distance in mm (inch)<br>Sensor<br>**----- End of picture text -----**<br>


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**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Sensing range diagram 

**==> picture [184 x 122] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 15/30 180<br>2 10/30 250<br>3 10/30 400<br>0 100 200 300 400<br>(3.94) (7.87) (11.81) (15.75)<br>Distance in mm (inch)<br>D<br>C<br>A B<br>**----- End of picture text -----**<br>


A = Sensing range min. in mm 

B = Sensing range max. in mm 

C = Viewing range 

D = Adjustable switching threshold for background suppression 

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 

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

**==> picture [241 x 180] intentionally omitted <==**

**----- Start of picture text -----**<br>
12 0.5 21<br>(0.47) (0.02) (0.83) 4<br>3<br>3<br>2<br>1<br>4<br>3<br>(0.12)<br>9.7<br>(0.38)<br>(0.4) 0.5 (0.02)<br> (0.27) ) )<br>10.2  6.9 25.4 (1.00) 28.5 1.12( 31.5 1.24(<br>9.7<br>(0.38)<br>11.5 (0.45)<br>**----- End of picture text -----**<br>


- ① Center of optical axis, sender 

- ② Center of optical axis, receiver 

- ③ Display and adjustment elements 

- ④ Mounting holes M3 

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**GTB6L-P4211 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Recommended accessories 

Other models and accessories www.sick.com/G6 **Brief description Type Part no.** a Universal bar clamp systems Clamp bar to fix G6 sensors on rods of 12 mm, clamp-on design up to 4 mm wall thickBEF-KHS-IS12G6 2086865 ness, aluminum (clamp bar), stainless steel (bracket), clamp bar mounting and clamp ~~Z~~ function, mounting bracket, mounting hardware Mounting brackets and plates Stainless steel (1.4301) BEF-WN-G6 2062909 ~~h-~~ é. ~~» mz~~ 

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## 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

Updated at April 23, 2026

SICK is a globally recognized leader in factory and logistics automation technology, renowned for engineering advanced sensors and developing innovative digital services. Driven by a commitment to high precision, reliability, and versatility, the company provides the foundational components required to transform traditional manufacturing processes into intelligent, self-optimizing systems that adapt autonomously using real-time data. Our comprehensive selection of SICK products is heavily focused on their industry-leading sensing technologies. We offer a robust portfolio of light sensors designed to deliver exceptional accuracy and performance in demanding industrial environments. Furthermore, our extensive range features high-quality proximity sensors and switches, providing the dependable object detection essential for automated production, packaging, and material handling applications. To ensure seamless integration of these advanced sensor networks, our offering is complemented by specialized connectivity solutions such as SICK fiber optic lead assemblies. From consumer goods and electronics to logistics and automotive manufacturing, SICK delivers the cutting-edge automation technology necessary to maximize operational efficiency and maintain continuous, reliable performance across diverse industrial sectors.

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