# Photo Sensor, 1.2 m, SPDT Relay, Background Suppression, Proximity, 24 to 240 VDC, Cable, G10 Series

![Product image](https://novapart.co/image/farnell:4390582/)

**URL**: https://novapart.co/products/GTB10-R3821/photo-sensor-12-m-spdt-relay-background
**SKU**: GTB10-R3821
**Manufacturer**: SICK
**Price**: €161.6200
**Stock**: 10+
**Lead Time**: 43 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | G10 Series |
| Sensing Method | Background Suppression, Proximity |
| Connection Method | Cable |
| Sensing Range Max | 1.2m |
| Sensor Output Type | SPDT Relay |
| Supply Voltage Dc Max | 240V |
| Supply Voltage Dc Min | 24V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4390582/)

GTB10-R3821 G10 **SMALL PHOTOELECTRIC SENSORS** 

**GTB10-R3821 | G10** SMALL PHOTOELECTRIC SENSORS 

Ordering information **Type** GTB10-R3821 Other models and accessories 7 lili... Illustration may differ CE Ws &s @ ti ~~l~~ 

**Type Part no.** GTB10-R3821 1065863 Other models and accessories www.sick.com/G10 

## Detailed technical data 

## Features 

|**Functional principle**|Photoelectric proximity sensor|
|---|---|
|**Functional principle detail**|Background suppression|
|**Dimensions (W x H x D)**|20 mm x 50 mm x 51.5 mm|
|**Housing design (light emission)**|Rectangular|
|**Sensing range max.**|20 mm ... 1,200 mm1)|
|**Type of light**|Infrared light|
|**Light source**|LED2)|
|**Light spot size (distance)**|Ø 22 mm (700 mm)|
|**Wave length**|850 nm|
|**Adjustment**|Potentiometer, 5 turns|



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

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

## Mechanics/electronics 

|**Supply voltage**|24 V AC/DC ... 240 V AC/DC1)|
|---|---|
|**Ripple**|< 5 Vpp 2)|



- 1) +- 10 %. 

- 2) May not exceed or fall below Uv tolerances. 

- 3) Provide suitable spark suppression for inductive or capacitive loads. 

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

- 5) Do not bend below 0 °C. 

- 6) C = interference suppression. 

- 7) Reference voltage: 250 V AC. 

- 8) In the case of a DC supply (ref. to EN 61000-6-3) the length of cable between the supply source and the sensor must be < 30 m. 

- 9) UL: 0 °C ... +50 °C. 

- 10) Complies with the UL325 standard when used with sturdy protection hood (e.g. BEF-G10WSG, 2071960). 

**Product data sheet | 2023-07-11 13:54:49 Subject to change without notice** 

**2** 

**PHOTOELECTRIC SENSORS | SICK** 

**GTB10-R3821 | G10** SMALL PHOTOELECTRIC SENSORS 

|**Power consumption**|≤ 2.5 VA|
|---|---|
|**Switching output**|Relay, SPDT, electrically isolated3)|
|**Switching load max. (current/voltage)**|0.11 A (250 V DC)<br>3 A (30 V DC)<br>3 A (250 V AC)|
|**Response time**|≤ 10 ms|
|**Switching frequency**|20 Hz4)|
|**Connection type**|Cable, 5-wire, 2 m5)|
|**Cable material**|PVC|
|**Conductor cross section**|0.25 mm²|
|**Circuit protection**|C6)|
|**Protection class**|II7)|
|**Weight**|115 g|
|**Interference emission**|EN 61000-6-3 (2011-09)8)|
|**Housing material**|Plastic, ABS/PMMA|
|**Enclosure rating**|IP67|
|**Relay switching cycles min.**|100.000 cycles (3 A)|
|**Electromagnetic compatibility (EMC)**|EN 60947-5-2<br>EN 61000-6-3 (2011-09)|
|**Ambient operating temperature**|–30 °C ... +60 °C9)|
|**Ambient temperature, storage**|–40 °C ... +70 °C|
|**UL File No.**|NRKH.E348498 & NRKH7.E348498|
|**More standards**|UL32510)|



1) +- 10 %. 

2) May not exceed or fall below Uv tolerances. 

3) Provide suitable spark suppression for inductive or capacitive loads. 

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

- 5) Do not bend below 0 °C. 

6) C = interference suppression. 

7) Reference voltage: 250 V AC. 

8) In the case of a DC supply (ref. to EN 61000-6-3) the length of cable between the supply source and the sensor must be < 30 m. 

9) UL: 0 °C ... +50 °C. 

10) Complies with the UL325 standard when used with sturdy protection hood (e.g. BEF-G10WSG, 2071960). 

## Safety-related parameters 

|**MTTFD**|1,279 years|
|---|---|
|**DCavg**|0 %|
|**B10d**|59,123 Switching cycles1)|



1) Only for devices containing electro-mechanical components. In this case, the MTTFD value of the entire device must be calculated from the given B10D value, the number of switching cycles and the given MTTFD value. 

## Classifications 

|**eCl@ss 5.0**|27270904|
|---|---|
|**eCl@ss 5.1.4**|27270904|
|**eCl@ss 6.0**|27270904|



**2023-07-11 13:54:49 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**GTB10-R3821 | G10** SMALL PHOTOELECTRIC SENSORS 

|**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|
|**eCl@ss 12.0**|27270903|
|**ETIM 5.0**|EC002719|
|**ETIM 6.0**|EC002719|
|**ETIM 7.0**|EC002719|
|**ETIM 8.0**|EC002719|
|**UNSPSC 16.0901**|39121528|



## Connection diagram 

Cd-163 

**==> picture [37 x 66] intentionally omitted <==**

**----- Start of picture text -----**<br>
BN<br>L1<br>BU<br>N<br>WH<br>BK<br>GY<br>**----- End of picture text -----**<br>


**4** 

**Product data sheet | 2023-07-11 13:54:49 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**GTB10-R3821 | G10** SMALL PHOTOELECTRIC SENSORS 

## Characteristic curve 

## Scanning range 

**==> picture [196 x 208] intentionally omitted <==**

**----- Start of picture text -----**<br>
% of sensing range<br>25<br>GTB10-Xnn2n<br>6%/90%<br>20<br>3<br>15<br>18%/90%<br>10<br>2<br>90%/90%<br>5<br>1<br>0<br>0 200 400 600 800 1,000 1,200 1,400<br>(7.87) (15.75) (23.62) (31.5) (39.37) (47.24) (55.12)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


- ① Sensing range on white, 90% remission 

- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on black, 6% remission 

## Light spot size 

## Light spot size 

**==> picture [112 x 119] intentionally omitted <==**

**----- Start of picture text -----**<br>
Diameter in mm (inch)<br>Ø 16 Ø 22 Ø 25<br>(0.6) (0.9) (1.0)<br>100 700 1,000<br>(3.9) (27.6) (39.4)<br>Distance in mm (inch)<br>Sensor<br>**----- End of picture text -----**<br>


**2023-07-11 13:54:49 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**5** 

**GTB10-R3821 | G10** SMALL PHOTOELECTRIC SENSORS 

## Sensing range diagram 

Scanning range 

**==> picture [201 x 77] intentionally omitted <==**

**----- Start of picture text -----**<br>
20 100 1,200<br>_———a<br>40 100 725<br>_— ~ — =§ | |<br>60 100 550<br>Oo § |,| | |<br>0 200 400 600 800 1,000 1,200 1,400<br>(7.87) (15.75) (23.62) (31.5) (39.37) (47.24) (55.12)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


**==> picture [168 x 8] intentionally omitted <==**

**----- Start of picture text -----**<br>
Sensing range Sensing range max.<br>**----- End of picture text -----**<br>


- ① Sensing range on white, 90% remission 

- ② Sensing range on gray, 18 % remission 

- ③ Sensing range on black, 6% remission 

## Adjustments 

⑥ Adjustment of sensing range 

Dimensional drawing (Dimensions in mm (inch)) GTB10, AC/DC, cable 

**==> picture [181 x 130] intentionally omitted <==**

**----- Start of picture text -----**<br>
0.5 (.02) 51.5 (2.03)<br>ro 20 (.79) 47.4 (1.87)<br>i f4 |) siek<br>ll Ly)<br>42.9 (1.69)<br>105°<br>3.5 (.14)<br> (1.42)  (1.97)<br>14.5 (.57) 36 50<br>11.6 (.46) 9.4 (.37) 6.4 (.25)<br>**----- End of picture text -----**<br>


- ① Center of optical axis, sender 

- ② Center of optical axis, receiver 

- ③ Mounting hole, Ø 4.2 mm 

- ④ LED indicator yellow: Status of received light beam 

- ⑤ LED indicator green: power on 

**6** 

**Product data sheet | 2023-07-11 13:54:49 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**GTB10-R3821 | G10** SMALL PHOTOELECTRIC SENSORS 

## Recommended accessories 

|Recommended accessories|Recommended accessories|||
|---|---|---|---|
|Other models and accessories<br> www.sick.com/G10||||
|a|**Brief description**|**Type**|**Part no.**|
|Universal bar clamp systems<br>Q-Lock, bar clamp system for G10 and reflector P250, Die-cast zinc, steel, zinc coated<br>~~cap~~||BEF-KHSQ12R01|2071260<br>~~=~~|
|Plug connectors and cables<br>Head A: male connector, M12, 5-pin, straight<br>Cable: unshielded<br>For field bus technology<br>Ce||STE-1205-G|6022083<br>~~z=~~|



**2023-07-11 13:54:49 | Product 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/GTB10-R3821/photo-sensor-12-m-spdt-relay-background)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/gtb10-r3821/photoelectric-sensor-1-2m-spdt/dp/4390582)
---

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