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The Festo SIEN-M5B-PS-S-L is a small inductive proximity sensor that detects metal objects without physical contact. It is typically installed in machines, conveyors, and automation systems where reliable, straightforward positioning is required. With a 10-30 V DC supply range, it integrates easily into standard industrial control circuits. This sensor is designed for routine industrial use, not for complex logic or measurement tasks. It focuses on stable switching and dependable operation.
This model uses inductive sensing, which means it detects metallic targets as they enter its sensing range. The PNP normally open output switches only when a metal object is present, making signal behaviour easy to understand during installation and troubleshooting.
With a compact 38 mm body length and M5 threaded design, the sensor fits easily into tight spaces. It is often mounted on machine frames, brackets, or near moving components where space is limited. The IP67 rating means the sensor is sealed against dust and can handle exposure to moisture, oil splashes, and wash-down conditions. This makes it suitable for factory floors and production environments.
It is used wherever simple metal detection is required to confirm movement, position, or presence.
For more information please check the datasheets.
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