Leuze IS 208FM/4NO.5-2E0 Proximity Sensor
The Leuze IS 208FM/4NO.5-2E0 Proximity Sensor (Part No: 50128182 ) offers a 8 mm diameter, M8 thread size, PNP NO (normally open) output, PVC Cable, 2m Length 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/4NO.5-2E0 |
Leuze IS 208FM/4NO.5-2E0 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 | PNP |
| Switching principle | NO (normally open) |
| Switching frequency, max. | 600 Hz |
| Connection type | PVC Cable, 2m Length |
| Degree of protection | IP 68 | IP 69K |
| Housing | Stainless steel |
| Active surface | Stainless steel, AISI 303 |
Engineered with an 8 mm diameter and M8 threaded design, the Leuze IS 208FM/4NO.5-2E0 proximity sensor is well-suited for embedded installations in automated systems where space and robustness are critical. It supports PNP switching output with a normally open (NO) configuration, delivering compatibility with most control systems across various industrial applications.
This sensor operates efficiently on a 10–30 V DC power supply, with a switching frequency of up to 600 Hz, making it suitable for moderately fast-moving detection tasks. The sensing range covers 2 mm to 40 mm, offering flexibility for proximity-based triggers and presence detection. The unit connects via a rugged prewired cable interface, simplifying installation and making it ideal for tight integration into fixed machinery or conveyor units.
What sets this sensor apart is its industrial-grade protection and construction. The body and active sensing face are made from stainless steel AISI 303, known for its resistance to corrosion and physical wear. With dual protection ratings of IP68 and IP69K, the sensor is capable of withstanding aggressive cleaning cycles, high-pressure sprays, and particulate-heavy environments. This makes the Leuze IS 208FM/4NO.5-2E0 an excellent fit for sectors like food processing, packaging, and precision assembly where reliability and hygiene are non-negotiable.
The Leuze proximity sensor IS 208FM/4NO.5-2E0 is widely deployed in compact industrial setups requiring non-contact detection of metallic parts. Its embedded design allows it to be mounted flush within fixtures, brackets, or machine panels, making it ideal for detecting parts in robotic grippers, linear motion systems, or rotating assemblies.
Its stainless steel construction and IP68/IP69K rating make it a strong candidate for harsh environments like bottling plants, food-grade conveyors, or automated cleaning zones. Engineers prefer this model in situations where vibration, steam, or oil exposure is frequent. The 2–40 mm sensing range allows accurate detection of both small and medium-sized metallic targets, improving system reliability and reducing false triggers.
Whether used for counting cycles, verifying object presence, or providing interlock feedback in assembly lines, the Leuze IS 208FM/4NO.5-2E0 proximity sensor delivers dependable results, low maintenance, and a long operational life—qualities that have earned it the trust of automation professionals across Indian manufacturing industries.

