GTB6-P4212

Photo Sensor, 250 mm, PNP, Proximity Diffuse, 10 to 30 VDC, M8 Connector, G6 Series

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: SICK
Product type:
SVHC: No SVHC (21-Jan-2025)
Product Range: G6 Series
Sensing Method: Proximity Diffuse
Connection Method: M8 Connector
Sensing Range Max: 250mm
Sensor Output Type: PNP
Supply Voltage Max: 30V
Supply Voltage Min: 10V
Sensing Distance Max: 250mm
Supply Voltage DC Max: 30V
Supply Voltage DC Min: 10V

Delivery and price
Units per pack	50
Price	113.8 €
Current stock	10+
Lead time	30 days

Datasheet

GTB6-P4212 G6 **MINIATURE PHOTOELECTRIC SENSORS** 

**GTB6-P4212 | G6** MINIATURE PHOTOELECTRIC SENSORS 

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**----- Start of picture text -----**<br>
Ordering information<br>Type Part no.<br>GTB6-P4212 1052442<br>Included in delivery:   BEF-W100-A (1)<br>Other models and accessories  . www.sick.com/G6<br>[ ee<br>Illustration may differ<br>CE Ws<br>**----- End of picture text -----**<br>


## Detailed technical data 

## Features 

|**Device type**|Photoelectric sensors|
|---|---|
|**Functional principle**|Photoelectric proximity sensor|
|**Functional principle detail**|Background suppression|
|**Sensing range max.**|5 mm ... 250 mm1)|
|**Sensing range**|35 mm ... 140 mm|
|**Polarisation filters**|No|
|**Emitted beam**||
|Light source|PinPoint LED2)|
|Type of light|Visible red light|
|**Light spot size (distance)**|Ø 6 mm (100 mm)|
|**Key LED figures**||
|Wave length|650 nm|
|**Adjustment**|Mechanical spindle, 5 turns|



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

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

## Safety-related parameters 

|**MTTFD**|1,886 years|
|---|---|
|**DCavg**|0 %|



**Product data sheet | 2021-12-07 22:21:40 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

**GTB6-P4212 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Electrical data 

|**Supply voltage UB**|10 V DC ... 30 V DC1)|
|---|---|
|**Ripple**|± 10 %2)|
|**Power consumption**|30 mA3)|
|**Protection class**|III|
|**Digital output**||
|Type|PNP|
|Signal voltage PNP HIGH/LOW|VS- (≤ 3 V) / approx. 0 V|
|Output current Imax.|≤ 100 mA4)|
|Response time|< 625 µs5)|
|Switching frequency|1,000 Hz6)|
|**Switching mode**|Light/dark switching|
|**Switching mode selector**|Selectable via light/dark selector|
|**Circuit protection**|A7)<br>B8)<br>D9)|



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) At Uv > 24 V, IA max. = 50 mA. 5) Signal transit time with resistive load. 6) With light/dark ratio 1:1. 7) A = VS connections reverse-polarity protected. 8) B = inputs and output reverse-polarity protected. 

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

## 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**||
|Housing|Plastic, ABS/PC|
|Front screen|Plastic, PMMA|
|**Weight**|20 g|
|**Items supplied**|Stainless steel mounting bracket (1.4301/304) BEF-W100-A|
|Ambient data||
|**Enclosure rating**|IP67|
|**Ambient operating temperature**|–25 °C ... +55 °C1)|
|**Ambient temperature, storage**|–40 °C ... +70 °C|
|**UL File No.**|NRKH.E348498 & NRKH7.E348498|



1) Temperature stability following adjustment +/-10 °C. 

## Classifications 

**ECl@ss 5.0** 27270904 

**2021-12-07 22:21:40 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**GTB6-P4212 | G6** MINIATURE PHOTOELECTRIC SENSORS 

|**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|
|**ECl@ss 10.0**|27270904|
|**ECl@ss 11.0**|27270904|
|**ETIM 5.0**|EC002719|
|**ETIM 6.0**|EC002719|
|**ETIM 7.0**|EC002719|
|**ETIM 8.0**|EC002719|
|**UNSPSC 16.0901**|39121528|



## Connection type 

## Connection diagram 

Cd-066 

BN 1 ~~<—~~ + (L+) ~~ee~~ WH 2 not connected BU I 3 **-** (M) BK 4 ~~>—_1-=~~ Q 

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**Product data sheet | 2021-12-07 22:21:40 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**GTB6-P4212 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Characteristic curve 

## GTB6 

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% of sensing distance<br>25<br>20<br>6%/90%<br>15<br>18%/90%<br>10<br>3<br>5 2<br>1 90%/90%<br>0<br>0 50 100 150 200 250 300<br>(1.97) (3.94) (5.91) (7.87) (9.84) (11.81)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


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

- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on black, 6% remission 

## Light spot size 

## GTB6 

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Ø 6.6 Ø 5.6 Ø 5.3<br>(0.26) (0.22) (0.21)<br>50 150 250<br>(1.97) (5.91) (9.84)<br>Distance<br>All dimensions in mm (inch)<br>ro<br>s<br>n<br>e<br>S<br>**----- End of picture text -----**<br>


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**PHOTOELECTRIC SENSORS | SICK** 

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**GTB6-P4212 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Sensing range diagram 

GTB6 

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5 35 140 250<br>Oi Zs |<br>7 35 140 200<br>(Z|<br>10 35 140<br>OL [(iii] |<br>0 100 200 300<br>(3.94) (7.87) (11.81)<br>Distance in mm (inch)<br>Sensing range max. | Sensing range<br>**----- End of picture text -----**<br>


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

- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on black, 6% remission 

## Adjustments 

Adjustment possibility 

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


- ④ LED indicator green: Supply voltage active 

- ⑤ LED indicator yellow: Status of received light beam 

- ⑦ Sensitivity control: potentiometer 

Dimensional drawing (Dimensions in mm (inch)) 

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21 (0.83)<br>0.5 (0.02)<br>a tls 4<br>L D<br>H e a Ue e 1 6 a<br>9.7 i 3 (0.12) 18.3 12<br>(0.38) (0.72) (0.47)<br>①   Optical axis, receiver<br> (0.02)<br>0.5<br>7.6 (0.30)<br> (1.00)  (1.12)  (1.24)<br>25.4 28.5 31.5<br>9.7 (0.38) 11.4 0.45)(<br>**----- End of picture text -----**<br>


- ② Optical axis, sender 

- ③ Mounting holes M3 

- ④ LED indicator green: Supply voltage active 

- ⑤ LED indicator yellow: Status of received light beam 

- ⑥ Light/ dark rotary switch: L = light switching, D = dark switching 

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**Product data sheet | 2021-12-07 22:21:40 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**GTB6-P4212 | G6** MINIATURE PHOTOELECTRIC SENSORS 

## Recommended accessories 

> Other models and accessories > www.sick.com/G6 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Mounting brackets and plates||||
||Stainless steel (1.4301)|BEF-WN-G6|2062909|
|Plug connectors and cables||||
||Head A: female connector, M8, 4-pin, straight, A-coded|YF8U14-|2095889|
||Head B: Flying leads|050VA3XLEAX||
||Cable: Sensor/actuator cable, PVC, unshielded, 5 m|||
||Head A: male connector, M8, 4-pin, straight|STE-0804-G|6037323|
|Tes|Head B: -|||
||Cable: unshielded|||



**2021-12-07 22:21:40 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

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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 16, 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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