SICK GL10-P7551 Photoelectric Sensor – Complete Product Overview

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Product Name: SICK GL10-P7551

Brand: SICK

Product Type: Photoelectric Retro-reflective Sensor

Part Number: 1069046

Product Series: G10

1. Product Overview

The SICK GL10-P7551 is a compact industrial photoelectric retro-reflective sensor designed for reliable and accurate object detection without physical contact.

It works by emitting visible red light towards a reflector and receiving the reflected light back. When an object interrupts the light beam, the sensor detects its presence and changes its output signal.

One of its important advantages is its ability to reliably detect objects wrapped in transparent or reflective film. This makes it particularly useful in packaging industries, conveyor systems and automated production lines.

The sensor uses SICK's PinPoint LED technology and a dual-lens optical system to provide dependable detection performance in industrial environments.

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2. Key Features

The main features of the SICK GL10-P7551 include:

  • Retro-reflective Technology: Detects objects using a reflector and reflected light.

  • Long Sensing Range: Maximum sensing distance of up to 12 metres with a PL80A reflector.

  • Transparent Film Detection: Specially designed for reliable detection of objects wrapped in film.

  • Dual-Lens Optical System: Provides reliable optical performance.

  • PinPoint LED Technology: Produces a bright and clearly visible red light spot.

  • PNP Switching Output: Provides a PNP output signal for industrial automation systems.

  • Fast Response Time: Response time of up to 1 millisecond.

  • High Switching Frequency: Supports switching frequencies up to 500 Hz.

  • IP67 Protection: Offers protection against dust and temporary water immersion.

  • Compact Housing: Small rectangular design for convenient industrial installation.

  • Maintenance-Friendly Design: No sensitivity adjustment is required.

3. Applications

The SICK GL10-P7551 is suitable for a wide range of industrial automation applications.

  • Packaging Machines: Detecting film-wrapped products and packages.

  • Conveyor Systems: Monitoring the movement of products on conveyor belts.

  • Food and Beverage Industries: Detecting packaged food products.

  • Bottling Plants: Monitoring containers and packaged materials.

  • Manufacturing Industries: Detecting components on automated production lines.

  • Logistics Automation: Identifying packages during sorting and transportation.

  • Warehouse Automation: Supporting automatic product detection.

  • Material Handling: Detecting objects in automated handling systems.

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4. Why Choose SICK GL10-P7551?

The SICK GL10-P7551 is an excellent option for industrial applications that require dependable object detection, particularly when products are covered with transparent or reflective film.

Reasons to choose this sensor include:

  • Reliable detection of film-wrapped objects.

  • Long sensing distance of up to 12 metres.

  • Fast response time for high-speed production lines.

  • High switching frequency of 500 Hz.

  • PNP output for industrial control applications.

  • Compact and durable construction.

  • IP67-rated protection.

  • No sensitivity adjustment required.

  • Reliable optical performance using PinPoint LED technology.

It helps improve production efficiency, minimise detection errors and support automated manufacturing processes.

5. Technical Specifications

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The following specifications are based on the SICK manufacturer's technical datasheet.

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Specification

Details

Manufacturer

SICK

Model Number

GL10-P7551

Part Number

1069046

Product Series

G10

Sensor Type

Photoelectric Sensor

Detection Principle

Retro-reflective

Optical System

Dual Lens

Maximum Sensing Range

12 m / 10 m

Operating Sensing Range

0.3–9.5 m / 0.3–8 m

Reflector

PL80A / P250

Light Source

PinPoint LED

Light Colour

Visible Red

Wavelength

625 nm

Supply Voltage

10–30 V DC

Output Type

PNP

Switching Mode

Light Switching

Output Current

Maximum 100 mA

Response Time

Maximum 1 ms

Switching Frequency

500 Hz

Connection Type

M12 male connector, 4-pin

Cable Length

300 mm

Dimensions

20 × 50 × 39 mm

Protection Rating

IP67

Protection Class

III

Housing Material

ABS/PMMA

Operating Temperature

-30°C to +60°C

Adjustment

None

Special Application

Detection of film-wrapped objects


7. Frequently Asked Questions – GL10-P7551

Q1. What is the SICK GL10-P7551?

The SICK GL10-P7551 is an industrial photoelectric retro-reflective sensor used for non-contact object detection.

Q2. What is the part number of the GL10-P7551?

The manufacturer part number is 1069046.

Q3. What is the maximum sensing distance?

It can detect objects up to 12 metres with a PL80A reflector and up to 10 metres with a P250 reflector.

Q4. Can the GL10-P7551 detect transparent film-wrapped objects?

Yes. It is specifically designed for reliable detection of objects wrapped in film.

Q5. What is the operating voltage?

The sensor operates with a 10–30 V DC power supply.

Q6. What type of output does this sensor provide?

It provides a PNP switching output with light-switching operation.

Q7. What is the response time?

Its maximum response time is 1 millisecond.

Q8. What is the switching frequency?

The maximum switching frequency is 500 Hz.

Q9. Does the sensor require a reflector?

Yes. It uses retro-reflective technology and requires a compatible reflector, such as PL80A or P250.

Q10. What is the protection rating?

It has an IP67 protection rating, making it suitable for industrial environments exposed to dust and water.

Q11. What type of connector does it use?

It uses a 4-pin M12 male connector with a 300 mm cable.

Q12. Where is the SICK GL10-P7551 used?

It is suitable for packaging machinery, conveyor systems, food packaging, manufacturing plants, logistics and automated material-handling systems.

Q13. Where can I buy the SICK GL10-P7551 in India?

You can contact SICK India, Element14 India, RS India and industrial automation suppliers for pricing and availability.



Nov 6th, 2026 4:30 PM