Best Inductive Proximity Sensors of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Inductive proximity sensors are electronic devices that detect the presence of metallic objects without physical contact. They work by generating a magnetic field that induces eddy currents in nearby metallic objects, which in turn generates a signal that is detected by the sensor. These sensors are widely used in industrial automation, robotics, and automotive applications to detect the presence or absence of metallic components, measure distances, and stabilise machinery. They are highly reliable, durable, and can operate in harsh environments, making them an essential component in many industrial processes.
At a Glance: Our Top Picks
Top 10 Inductive Proximity Sensors
AZDelivery LJ12A3-4-Z Inductive Proximity Sensor Pack
The AZDelivery Proximity Sensor is a versatile component ideal for detecting and controlling non-contact switching. When the sensor nears a target, it sends out a control signal, making it useful for various applications. The red LED provides a clear indication of the sensor's operating status, ensuring you are always informed. It can detect not only conductive materials but also liquids and powders, offering great flexibility for your projects. Additionally, it features polarity reversal and short circuit protection, enhancing safety and reliability during use.
Gebildet 2pcs Metal Inductive Proximity Sensor Switch
The Gebildet Inductive Proximity Sensor is designed for ease of use with its pre-soldered connector, allowing you to plug and play without hassle. It features power supply reversal protection and short-circuit protection, ensuring a reliable connection with your PLC. With a detection distance of 4mm and a supply voltage of 6-36V, this sensor is perfect for detecting metal objects. The operating red LED provides visual feedback on the sensor's operation state, making it simple to monitor its functionality.
Heschen M12 Inductive Proximity Sensor Switch
The Heschen M12 Sensor is a versatile inductive proximity switch ideal for detecting magnetic metals. With a mounting hole diameter of 12mm and a generous cable length of 120cm, installation is both simple and flexible. Its detecting distance of 4mm ensures precise detection, which is essential for efficient automation processes. Operating within a voltage range of 10-30 VDC, this sensor offers reliable performance, allowing you to use it in various applications without concern for power compatibility.
sourcing map SN04-N 4mm Inductive Proximity Sensor
The SN04-N Proximity Sensor is a versatile device designed to detect objects made of iron within a 4mm range. Operating on a DC voltage of 10-30V, this inductive proximity switch ensures reliable performance in various applications. With its 3-wire configuration, you can easily integrate it into your existing systems. The compact size of 3.6 x 1.8 x 1.8cm makes it convenient to install in tight spaces, while the durable ABS plastic construction enhances its longevity.
Heschen M12 Inductive Proximity Sensor Switch
The Heschen M12 Sensor is designed for convenience and precision. With a mounting hole diameter of 12mm and a cable length of 120cm, it fits easily into various setups. The detecting distance is impressive, allowing you to sense objects at 2mm with a slight tolerance. Operating within a voltage range of 10-30 VDC, it ensures versatility in different environments. This sensor's PNP Normally Open output type enables seamless integration into your systems, providing reliable performance for detecting magnetic metals.
Heschen M12 Inductive Proximity Sensor Switch
The Heschen M12 Sensor is designed for precision detection with a mounting hole diameter of 12mm and a generous cable length of 120cm. With a detecting distance of 2mm, you can rely on this sensor to accurately identify objects, ensuring efficient operation in various applications. The output type includes both PNP Normally Open and Normally Closed configurations, giving you flexibility in how you integrate it into your systems. Operating on a current output of 200mA and a voltage range of 10-30 VDC, it provides robust performance tailored to your needs.
Heschen M8 Inductive Proximity Sensor Switch
The Heschen M8 Sensor is designed for efficient object detection, particularly for magnetic metals. With a mounting hole diameter of 8mm and a cable length of 120cm, it offers easy installation and flexibility in various setups. The detecting distance of 2mm±10% ensures precise detection, providing you with reliable performance. Operating within a voltage range of 10-30 VDC and with a current output of 200mA, this sensor is ideal for a range of applications, ensuring convenience and ease of use.
LJ12A3-4-Z/AY Inductive Proximity Sensor Switch
The DORHEA Proximity Sensor is an inductive switch designed to detect iron objects sensitively. It operates with a supply voltage of DC 6-36V and features a three-wire system for easy integration. With a detecting distance of 4mm, it is ideal for applications that require precise control and switching. The robust ABS material detection surface enhances durability, ensuring reliable performance in various environments. This sensor is particularly useful in mechanical automation and 3D printer bed leveling, providing users with efficient and contactless operation.
Youmile SN04-N Inductive Proximity Sensor Switch
The Youmile SN04-N Sensor is a versatile inductive proximity switch designed for efficiency. Operating on a DC voltage range of 6-36V, this sensor provides a current output of 300mA, ensuring reliable performance in various applications. The ABS plastic shell guarantees durability, making it suitable for long-term use. With a detection distance of 4mm, it effectively identifies metal or iron objects, allowing you to automate tasks with ease, such as in DIY 3D printing projects.
Heschen M6 Inductive Proximity Sensor Switch
The Heschen M6 Sensor is designed for efficient detection of magnetic metals. With a mounting hole diameter of 6mm and a cable length of 200cm, it offers flexibility in installation. The detecting distance of 1.5mm ensures precise object detection, making it useful in various applications. Operating between 10-30 VDC, it provides a reliable power range, allowing you to integrate it easily into your systems. Its NPN Normally Open output type ensures that it only activates when a metal object is detected, enhancing safety and efficiency in your projects.
Frequently Asked Questions (FAQs)
1. How do Inductive proximity sensors work?
Inductive Proximity Sensor Working Principle Inductive sensors work by detecting eddy currents causing magnetic loss, generated by external magnetic fields on a conductive surface. The detection coil generates an AC magnetic field, and impedance changes are detected as a result of generated eddy currents.
2. What are the two types of inductive sensor?
Inductive Proximity Sensors are roughly classified into the following three types according to the operating principle: the high-frequency oscillation type using electromagnetic induction, the magnetic type using a magnet, and the capacitance type using the change in capacitance.
3. What can a proximity sensor detect?
Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound. There are many types, each suited to specific applications and environments. Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound.
4. What can inductive sensor sense?
Inductive proximity sensors can only detect metal targets. They do not detect non-metal targets such as plastic, wood, paper, and ceramic. Unlike photoelectric sensors, this allows a inductive proximity sensors to detect a metal object through opaque plastic.
During our inductive proximity sensor research, we found 257 inductive proximity sensor products and shortlisted 10 quality products. We collected and analyzed 6,149 customer reviews through our big data system to write the inductive proximity sensors list. We found that most customers choose inductive proximity sensors with an average price of £6.86.
The inductive proximity sensors are available for purchase. We have researched hundreds of brands and picked the top brands of inductive proximity sensors, including AZDelivery, Gebildet, Heschen, Uxcell, DORHEA. The seller of top 1 product has received honest feedback from 291 consumers with an average rating of 4.8.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.