Leuze IS 208MM/2NO-4N0-S8.3 Proximity Sensor
The Leuze IS 208MM/2NO-4N0-S8.3 Proximity Sensor (Part No: 50109662 ) 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 208MM/2NO-4N0-S8.3 |
Leuze IS 208MM/2NO-4N0-S8.3 Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Diameter | 8 mm |
| Thread size | M8 |
| Type of installation | Non-embedded |
| Supply voltage UB | 10 ... 30 V, DC |
| Typ. operating range limit Sn | 4mm |
| Switching outputs | NPN |
| Switching principle | NO (normally open) |
| Switching frequency, max. | 3,500 Hz |
| Connection type | M8 Connector, 3 -pin |
| Degree of protection | IP 67 |
| Housing | Stainless steel |
| Active surface | Plastic |
Engineered for precision and durability, the Leuze IS 208MM/2NO-4N0-S8.3 Proximity Sensor offers a sensing range of 4 mm and operates on a 10–30 V DC supply voltage. With a normally open (NO) NPN switching output, this sensor is ideal for triggering control actions when a metallic target is detected. The sensor uses a non-embedded mounting style and features an M8 thread size, making it easy to install in tight control panels, enclosures, or machine frames.
Housed in a rugged stainless steel body with a durable plastic sensing face, the IS 208MM/2NO-4N0-S8.3 is built to last in challenging industrial environments. Its IP67 protection rating ensures resistance to dust, moisture, and low-pressure water exposure — making it suitable for use in food processing lines, packaging systems, and automated handling stations. The sensor connects via an industry-standard M8 3-pin connector that simplifies installation and maintenance. With a high switching frequency of 3,500 Hz, this Leuze proximity sensor enables accurate detection of small or fast-moving metal parts, ensuring seamless integration into PLC-based automation systems.
Trusted by control engineers and machine builders worldwide, the IS 208MM/2NO-4N0-S8.3 proximity sensor from Leuze delivers a powerful combination of precision, speed, and environmental robustness. It is a reliable choice for anyone looking to enhance sensing performance while maintaining system integrity and efficiency.
The Leuze IS 208MM/2NO-4N0-S8.3 Proximity Sensor is used extensively in automated machinery where precise and fast metal detection is required. Whether it's part counting on a conveyor, position sensing in compact robotics, or presence verification on packaging lines, this proximity sensor delivers consistent performance with minimal false triggers.
Its 3,500 Hz switching speed ensures accurate detection of even the fastest-moving components, which is critical in high-throughput production lines. The stainless steel housing with IP67 protection allows for long-term use in environments exposed to lubricants, water spray, and vibration—making it suitable for industries like automotive assembly, CNC machining, and electronics manufacturing.
Technicians and panel designers prefer the M8 connector interface for its ease of wiring and maintenance, while the non-embedded configuration offers flexibility during mounting in shallow-depth spaces. The Leuze proximity sensor is a reliable, rugged sensing solution that enhances operational safety and precision in your automated systems.

