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The Festo SIEN-M12NB-PO-S-L is an inductive proximity sensor that detects metal objects without physical contact. It is designed for everyday industrial automation tasks where reliable object detection matters more than complexity. With a 4 mm sensing distance and an M12 threaded barrel, it fits easily into compact machines, fixtures, and automation panels. This sensor operates on a DC supply of 10 to 30 V and features a PNP normally closed output, making it suitable for standard PLC and control system inputs.
The sensor detects metallic targets by generating an electromagnetic field at its sensing face. When a metal object enters this field, the output switches reliably without wear or mechanical movement.
The M12 threaded barrel design allows fast mounting using standard nuts and brackets. It is commonly installed flush or semi-flush in machines with limited space. The compact size helps in tight layouts without affecting detection performance.
This sensor is typically operated in:
For more information please check the datasheets.
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