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Brand: SICK
SICK GTE6-P4231 G6 Background Suppression Sensor
Description
GTE6-P4231, part no. 1065730, is a SICK G6 background suppression sensor that switches on objects inside its sensing range regardless of the colour of the surface behind them. The catalogue summary lists: sensing range max.: 30 mm … 900 mm; functional principle: Photoelectric proximity sensor; functional principle detail: Energetic; switching output: PNP; switching mode: Light/dark switching.
Understanding the GTE6-P4231 before you specify it
A background suppression sensor works by triangulation: the light spot is received by two receiver elements, and the ratio of their signals tells the sensor how far away the object is. Everything beyond the set switching distance is treated as background, so a dark object in front of a bright wall is still detected reliably.
The sensing range in the table is stated for a reference object with 90 percent remission, standard white to DIN 5033. Many versions in the family provide both on separate pins or by a selector, and the table shows what this exact type does.
Technical specifications
| Parameter | Specification |
|---|---|
| Type code | GTE6-P4231 |
| Part number | 1065730 |
| Product family | G6 |
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Energetic |
| Sensing range max. | 30 mm … 900 mm |
| Sensing range | 40 mm … 760 mm |
| Emitted beam: Light source | PinPoint LED |
| Emitted beam: Type of light | Visible red light |
| Emitted beam: Light spot size (distance) | Ø 5 mm (150 mm) |
| Key LED figures: Wave length | 650 nm |
| Adjustment | Mechanical spindle, 5 turns |
| MTTFD | 1,749 years |
| DCavg | 0% |
| Supply voltage UB | 10 V DC … 30 V DC |
| Current consumption | 30 mA |
| Digital output: Type | PNP |
| Digital output: Switching mode | Light/dark switching |
| Digital output: Switching mode selector | Selectable via light/dark selector |
| Digital output: Signal voltage PNP HIGH/LOW | VS – (≤ 3 V) / approx. 0 V |
| Digital output: Output current Imax. | ≤ 100 mA |
| Digital output: Response time | < 1.25 ms |
| Digital output: Switching frequency | 500 Hz |
| Circuit protection | A; B; D |
| 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 |
| Material: Front screen | Plastic, PMMA |
| Weight | 20 g |
| Declarations and certificates in the data sheet | EU declaration of conformity; UK declaration of conformity; ACMA declaration of conformity; Moroccan declaration of conformity; China RoHS; China Compulsory Product Certification (CCC) exempt; cULus certificate; Photobiological safety (DIN EN 62471) certificate |
Ordering GTE6-P4231: type code, part number and fit
Electrically and for the interface, the listed values are range of 30 mm … 900 mm; response time of < 1.25 ms; supply of 10 V DC … 30 V DC; current of 30 mA; frequency of 500 Hz.
Mechanical and environmental data for this type: enclosure rating is IP67; light source is pinPoint LED; dimensions is 12 mm x 31.5 mm x 21 mm; wavelength is 650 nm; weight is 20 g; operating temperature is –25 °C … +55 °C.
Before ordering, confirm the sensing range and the adjustable switching distance, the light type (visible red LED or laser), the output type (PNP or NPN or push-pull), the connection (cable or connector and its pin count) and the housing size.
For installation, align the sensor so the object passes through the middle of the sensing range, keep the front screen clean and fix the bracket firmly; vibration of the mount moves the spot as much as it moves the object.
Documents and quotation
You can download the SICK data sheet for GTE6-P4231 (part no. 1065730) from this page. To request a quotation, submit the part number with quantity and destination in the RFQ form; Seven Star LLC is an independent supplier based in Muscat. Related SICK items are listed under Sensors & Transmitters. Check wiring, mounting and approvals against the data sheet before you order, since the data sheet is the governing document.
Datasheets & Documents
- Datasheet SICK GTE6-P4231 official data sheet (part no. 1065730) Download
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About brand
SICK is the German maker of industrial sensors: photoelectric and proximity sensors, safety laser scanners and light curtains, encoders, distance sensors, code readers and gas analysers. Erwin Sick, an optics engineer, founded it in Munich in 1946, and in 1952 it introduced its first marketable accident-prevention light curtain, which protected press operators by stopping the machine when a hand broke the light beam. The company moved to Waldkirch in the Black Forest in 1956 and is still headquartered there. It is a privately held company, and has been an Aktiengesellschaft (AG) since 1996.
SICK company profile
| Founded | 1946, Munich, Germany, by Erwin Sick (1909–1988) |
|---|---|
| Headquarters | Waldkirch, Baden-Württemberg, Germany (since 1956) |
| Ownership | Privately held; after the founder's death in 1988 his widow Gisela Sick became the main shareholder. Legal form SICK AG since 1996 |
| Size | More than 12,000 employees and group revenue of about EUR 2.3 billion (company figures for 2023) |
| First breakthrough | Accident-prevention light curtain for presses, shown in Hanover in 1952 |
| International growth | First foreign subsidiary in France in 1972, United States in 1976; today sales and service companies worldwide |
| Product families | Photoelectric, inductive, capacitive, magnetic and ultrasonic sensors; safety laser scanners, light curtains, safety controllers and relays; encoders and motor feedback systems; distance sensors and LiDAR; barcode and 2D code readers and machine vision; gas analysers, dust and flow measurement for process and emissions monitoring |
Milestones
- 1946: Erwin Sick receives a licence to run his engineering firm in Munich.
- 1952: The first marketable accident-prevention light curtain is presented in Hanover and goes into series production.
- 1956: The company moves to Waldkirch with 25 employees.
- 1972 and 1976: Subsidiaries are founded in France and the United States.
- 1996: SICK becomes an Aktiengesellschaft.
- Today: Sensors for factory and logistics automation, machine safety and process analysis, with a large share of revenue outside Germany.
Choosing a SICK sensor
For object detection, the sensing principle comes first. A retro-reflective sensor (WL series) sends light to a reflector and switches when an object breaks the beam; it is reliable over long distances and easy to align. A sensor with background suppression (WTB series) detects an object at a set distance and ignores what is behind it, which suits conveyors with shiny or dark backgrounds. A through-beam pair (WS/WE) gives the longest range and the highest reliability in dust. For transparent bottles and film, use a model built for transparent objects (for example WL12G-3B or WL150-P420). The digits in the code also matter: "P" usually means a PNP output and "N" NPN, and the last digits set the connector or cable. For machine guarding, a safety laser scanner such as nanoScan3 or microScan3 protects an area, while a safety controller such as Flexi Soft combines several safety devices.
Where SICK products are used
In Oman and the GCC, SICK sensors are used in packaging and bottling lines, food and beverage plants, logistics and airport baggage handling, cement and steel plants, ports and cranes, automated warehouses, and on machines built by European OEMs. SICK safety scanners guard robots and automated guided vehicles, and its encoders give position feedback on motors, hoists and conveyors.
SICK products we list
| Family | Examples |
|---|---|
| Photoelectric sensors | WL12-3P2431, WTB12-3P2431, GTB6-P4211, VL18-4P3240, WL12G-3B2531, WS/WE100, KT5W contrast, W26 IO-Link |
| Proximity, cylinder and ultrasonic sensors | IME12-08NPSZC0S, IME18-05BPSZC0S, MZT8, UM18 4-20 mA, UM30, UFN3 fork |
| Machine safety | nanoScan3, microScan3, S300 Professional, Flexi Soft FX3-CPU1, FX3-XTIO, ReLy OSSD |
| Encoders and motor feedback | DFS60B, AFM60 PROFINET, AFS60 SSI, ATM60 PROFIBUS, SRS50, EFS50 |
| Distance sensors and code readers | DT50, DL50, DT35, Lector632 |
Ordering SICK products: what we need
Send the type code and the 7-digit SICK part number from the label (for example WTB12-3P2431 together with its part number). For a replacement sensor, add the output (PNP or NPN), connection (M8, M12 or cable) and sensing distance. For encoders, add the interface (incremental, SSI, PROFIBUS, PROFINET), resolution and shaft type. For safety scanners, tell us the model and whether the existing configuration needs to be kept.
Facts checked against SICK's published company history and annual figures, October 2026.
Browse SICK products by category: Sensors & Transmitters.
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Frequently Asked Questions
What is the SICK GTE6-P4231?
It is a SICK background suppression sensor (G6), part no. 1065730. The catalogue summary reads: Sensing range max.: 30 mm ... 900 mm; Functional principle: Photoelectric proximity sensor; Functional principle detail: Energetic; Switching output: PNP.
Which supply voltage applies to the GTE6-P4231?
Supply voltage is 10 V DC ... 30 V DC. Check the output and interface rows in the table for the signal levels.
What protection rating and temperature range are given?
Enclosure rating: IP67. Ambient operating temperature: –25 °C ... +55 °C. Confirm both against the site before ordering.
Does the page include the data sheet?
Yes. The official SICK data sheet for part no. 1065730 is attached as a PDF and linked on this page; where it differs from the page text, the data sheet applies.
What should be confirmed before ordering the GTE6-P4231?
Compare the full type code and part number 1065730 with the device being replaced, check supply, output or interface and mounting, and send the details through the RFQ form. Seven Star LLC is an independent supplier, not a SICK partner.
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