Leuze IS 208FM/2NO.5-2E0-S8.3 Proximity Sensor
The Leuze IS 208FM/2NO.5-2E0-S8.3 Proximity Sensor (Part No: 50128183 ) offers a 8 mm diameter, M8 thread size, NPN NO (normally open) output, M8 Connector, 3 -pin connection. Manufactured by Leuze under the Leuze Proximity Sensor category, this model belongs to the 203 & 204 Series.
| Brand | Leuze |
| Product Type | Proximity Sensor |
| Product | IS 208FM/2NO.5-2E0-S8.3 |
Leuze IS 208FM/2NO.5-2E0-S8.3 Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Diameter | 8 mm |
| Thread size | M8 |
| Type of installation | Embedded |
| Supply voltage UB | 10 ... 30 V, DC |
| Typ. operating range limit Sn | 2mm |
| Switching outputs | NPN |
| Switching principle | NO (normally open) |
| Switching frequency, max. | 600 Hz |
| Connection type | M8 Connector, 3 -pin |
| Degree of protection | IP 68 | IP 69K |
| Housing | Stainless steel |
| Active surface | Stainless steel, AISI 303 |
The Leuze IS 208FM/2NO.5-2E0-S8.3 proximity sensor combines high-performance sensing with a space-efficient design, making it suitable for tight integration in automation systems. It features an 8 mm diameter stainless steel housing with an M8 thread for embedded mounting. The sensor is equipped with an NPN output and uses a normally open (NO) switching function, allowing straightforward integration with standard control systems.
This model operates on a wide 10–30 V DC supply range and offers a sensing distance between 2 mm and 40 mm, ensuring flexibility for different object sizes and detection distances. It supports a switching frequency of 600 Hz, making it suitable for applications where moderate speed is required. With an M8 connector interface, the sensor provides reliable electrical connectivity while simplifying installation and replacement in panel wiring or machine assemblies.
The housing and active sensing surface are made from AISI 303 stainless steel, offering excellent corrosion resistance and mechanical durability. Additionally, the sensor carries an IP68/IP69K protection rating, ensuring dependable operation in washdown areas, food processing, and other environments with high humidity, water jets, or cleaning agents. Known for its reliability and build quality, the Leuze IS 208FM/2NO.5-2E0-S8.3 is trusted by engineers looking for long-lasting and stable sensing performance in critical automation tasks.
The Leuze IS 208FM/2NO.5-2E0-S8.3 proximity sensor is commonly used in industries where space is limited but rugged sensing is required. Its embedded M8 design is perfect for detecting metal parts in automated clamps, robotic end-effectors, and compact jigs. The sensor’s flush mounting ensures it remains protected from external mechanical damage while offering precise and stable detection.
Thanks to its IP68/IP69K ingress protection, it is widely adopted in hygiene-sensitive areas such as food and beverage manufacturing, bottling plants, and pharmaceutical lines. It withstands high-pressure washdowns, exposure to steam, or direct cleaning without degradation in sensing accuracy. The AISI 303 stainless steel construction makes it resistant to corrosion from chemical agents used in industrial cleaning processes.
In practical use, engineers across Indian factories choose the Leuze proximity sensor IS 208FM/2NO.5-2E0-S8.3 for applications like confirming metal tray positions, ensuring part presence in transport tracks, or detecting tool arrival in pick-and-place machines. Its reliability, combined with ease of installation and strong environmental resilience, makes it a preferred choice in both new automation projects and retrofit scenarios.

