
Best selling Motion sensors from IFM
On this page you’ll find a ranking of the best Motion sensors from IFM. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
1. IFM O4S501
The IFM O4S501 is a highly advanced motion detector designed as a one-way light barrier. With a range of up to 80 meters, this device is ideal for various applications in automation and security technology. Its robust construction and IP67 protection rating ensure reliable functionality even under demanding conditions. The device comes with a 2-meter long PUR cable, allowing for flexible installation. The O4S501 is particularly useful in areas where precise motion detection is required, providing an effective solution for monitoring and controlling processes.
- High range of 80 meters for versatile applications
- Robust construction with IP67 protection rating for use in challenging environments
- Includes a 2-meter long PUR cable for flexible installation options.

2. IFM OPU701
The OPU701 from IFM is a highly advanced motion sensor designed as a fork light barrier. This device utilizes photoelectric technology to accurately detect and monitor movements. With a robust construction and a high protection rating of IP67, the sensor is ideal for use in demanding environments. The OPU701 offers reliable performance with an output voltage of up to 30 volts and is suitable for various industrial applications. Its easy installation and compact design make it a practical solution for automation technology. The sensor is manufactured in Germany, ensuring high quality standards.
- High protection rating IP67 for use in harsh environments
- Precise motion monitoring through photoelectric technology
- Easy installation thanks to compact design
- Reliable performance with an output voltage of up to 30 volts.

3. IFM OJ5027
The IFM OJ5027 is a reflex light barrier designed for a variety of applications in automation technology. With a nominal voltage of 30 volts and a nominal current of 22 milliamperes, this device offers reliable performance and precision. The IP67 protection rating ensures that the light barrier is dust-tight and protected against temporary immersion in water, making it ideal for use in demanding environments. Made from high-quality plastic, the OJ5027 is both robust and lightweight. Its compact design, with a width of 11 mm, a length of 24 mm, and a height of 45 mm, allows for easy integration into existing systems. This reflex light barrier is not suitable for smart home applications but provides an effective solution for industrial applications.
- IP67 protection rating for high resistance to environmental influences
- Compact design for easy integration into various systems
- Durable plastic material for longevity
- Dark programmable operating mode for flexible applications.

4. IFM O5S51A
The IFM O5S51A is a state-of-the-art photoelectric sensor designed for reliable motion detection. With a range of up to 25 meters, this optical sensor system is ideal for various applications in automation and security technology. The light barrier operates with red light and offers precise object detection, making it a valuable component in industrial environments. With an IP65 protection rating, the device is dust-tight and protected against water jets, ensuring high reliability and durability. Its compact design, measuring 105 mm in length, 30 mm in width, and 62 mm in height, allows for easy integration into existing systems. The M12 connector facilitates straightforward installation and connection. Made in Germany, the IFM O5S51A stands for quality and precision in sensing technology.

5. IFM OJ5031
The IFM OJ5031 is a one-way light barrier designed for various applications in automation technology. With a nominal voltage of 30 volts and a nominal current of 12 milliamperes, this device offers reliable performance in a compact design. The light barrier is made of high-quality plastic and features an IP67 protection rating, meaning it is dust-tight and protected against temporary immersion in water. These characteristics make the OJ5031 ideal for use in demanding environments. Operation is facilitated by a toggle switch, allowing for easy handling. The delivery includes the receiver, which is necessary for the device's full functionality.
- IP67 protection rating for high resistance to environmental influences
- Compact design with a width of 11 mm and a height of 45 mm
- Easy operation via toggle switch
- Made from durable plastic.

6. IFM OGE303
The IFM OGE303 is a highly advanced motion sensor designed as a one-way light barrier. With a range of up to 20 meters, this device provides reliable motion detection across various applications. The light barrier operates with red light and is suitable for a wide range of environments, thanks to its robust construction and high protection ratings. The OGE303 is equipped with a PNP output and supports an output voltage of 36 volts. The use of PVC cables with a length of 6 meters allows for flexible installation. This product is ideal for industrial applications where precision and reliability are required.
- High range of up to 20 meters
- Robust construction with protection ratings IP65, IP67, IP68, and IP69K
- PNP output for easy integration into existing systems
- Suitable for use in demanding environments.

7. IFM OJ5085
The IFM OJ5085 is a reflex light barrier designed for various applications in automation technology. With a nominal voltage of 30 volts and a nominal current of 22 milliamperes, this device offers reliable performance and precision. The IP67 protection rating ensures that the light barrier is dust-tight and protected against temporary immersion in water, making it ideal for use in demanding environments. Made from high-quality plastic, the OJ5085 is both robust and lightweight. Its compact design, with a width of 11 mm, a length of 24 mm, and a height of 45 mm, allows for easy integration into existing systems. This reflex light barrier is an excellent choice for applications that require precise detection and reliable functionality.
- IP67 protection rating for high resistance to environmental influences
- Compact design for easy integration into various systems
- Made from durable plastic
- Suitable for applications with a nominal voltage of 30 volts.

8. IFM OG5127
The IFM OG5127 is a one-way light barrier designed for various applications in automation technology. With a length of 70.1 millimeters and an IP68 protection rating, this product offers high resistance to dust and water, making it ideal for use in demanding environments. Made from PMMA, a robust plastic, the OG5127 ensures durability and reliability. The switch features three poles and is not compatible with smart home systems, making it a specialized solution for industrial applications. The package includes a receiver that allows for easy integration into existing systems. The use of V4A ABS provides additional stability and corrosion resistance. The OG5127 is a practical choice for anyone needing a reliable light barrier to ensure precise control and safety functions.

9. IFM OA0102
The IFM OA0102 photoelectric sensor is a versatile and reliable device that can be used in various applications. It offers precise photoelectric functionality and is ideal for use in industrial environments. With a robust plastic construction and an IP65 protection rating, it is protected against dust and water, enhancing its durability and reliability. The photoelectric sensor is equipped with multiple communication interfaces, including CANOpen, PROFIBUS, and Ethernet, allowing for easy integration into existing systems. The OA0102 is designed to operate with a nominal voltage of 250 volts and a nominal current of 3000 milliamperes, making it a powerful solution for various applications. Its compact design and the ability to provide early failure warnings make it a practical choice for many industrial applications.
- IP65 protection rating for high resistance to environmental influences
- Versatile communication interfaces such as CANOpen, PROFIBUS, and Ethernet
- Early failure warning for prompt detection of malfunctions
- Robust plastic construction for durability
- Built-in reflector for enhanced photoelectric functionality.

10. IFM OGE503
One-way light barrier
Red light
Light/dark switching
(programmable)
NPN
25 m
IP 67
M12 plug connection.
