Leuze IS 204MP/4NO-1E5 Proximity Sensor
The Leuze IS 204MP/4NO-1E5 Proximity Sensor (Part No: 50113478 ) offers a 4 mm diameter, M5 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 204MP/4NO-1E5 |
Leuze IS 204MP/4NO-1E5 Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Diameter | 4 mm |
| Thread size | M5 |
| Type of installation | Embedded |
| Supply voltage UB | 10 ... 30 V, DC |
| Typ. operating range limit Sn | 1.5mm |
| Switching outputs | PNP |
| Switching principle | NO (normally open) |
| Switching frequency, max. | 5,000 Hz |
| Connection type | PVC Cable, 2m Length |
| Degree of protection | IP 67 |
| Housing | Stainless steel |
| Active surface | Plastic |
The Leuze IS 204MP/4NO-1E5 stands out as a durable proximity sensor built with a rugged stainless steel housing and a sturdy plastic active surface, ensuring long-term performance even in demanding environments. This miniature sensor features a 4 mm diameter and M5 thread size, specifically designed for embedded mounting into machines where space is a constraint. It operates on a broad 10 to 30 V DC power range and supports a PNP normally open output, delivering rapid and stable switching even under high-frequency operations.
Engineered for precision, the IS 204MP/4NO-1E5 offers an effective sensing distance of 1 mm to 3 mm, making it ideal for detecting small metallic objects. Its maximum switching frequency of 5,000 Hz ensures accurate detection in fast-moving industrial setups. The integrated 2000 mm cable connection provides easy installation and secure signal transmission in vibration-prone applications. With an IP67 protection rating, this sensor is sealed against dust and moisture, making it highly suitable for use in packaging lines, machining environments, and automation systems exposed to oil and water.
Trusted by machine builders and plant engineers, the Leuze IS 204MP/4NO-1E5 proximity sensor offers the right blend of size, speed, and safety. Whether you are automating complex tasks or retrofitting existing systems, this sensor delivers reliable performance and seamless integration. For more technical insights, refer to the official Leuze datasheet or consult our automation experts.
The Leuze IS 204MP/4NO-1E5 Proximity Sensor is widely used in precision industrial automation where space-saving sensing solutions are required. In small robotic arms and grippers, it detects the presence of metal tools or parts with minimal clearance, reducing the chance of collisions and improving process timing. In pick-and-place systems, this sensor confirms part arrival or bin readiness before actuation, enhancing machine coordination and reducing downtime.
In textile, electronics, and component assembly lines, this compact sensor ensures accurate detection of ferromagnetic parts during alignment and feed operations. Its high switching frequency supports real-time detection even when conveyor speeds are high or objects are moving rapidly. With IP67 sealing, the IS 204MP/4NO-1E5 is also ideal for use in moderately harsh conditions where dust, mist, or machine oil may be present.
This Leuze proximity sensor is preferred by industrial engineers seeking a reliable solution that integrates easily into compact automation panels or tight machine corners. It combines precision, compactness, and robustness β making the IS 204MP/4NO-1E5 an excellent choice for improving machine performance in critical sensing operations.

