551391

Name: Festo 551391 Proximity sensor SIES-8M-PO-24V-K-7,5-OE
Brand: Festo

Proximity sensor SIES-8M-PO-24V-K-7,5-OE

The Festo part number 551391 is an inductive industrial component designed for T-slots with an EN 60947-5-2 compliance standard, featuring an operating distance of 1.5 mm and a PNP switching output with an NC contact element function. This position-measuring sensor operates within an ambient temperature range of -25 °C to 70 °C, supporting a maximum switching frequency of 4500 Hz, a 150 mA max output current, and 4.5 W max DC switching capacity. Certified with RCM and c UL us - Listed (OL) marks alongside CE, UKCA, and KC-EMV compliance, the unit incorporates RoHS-compliant materials and maintains a repetition accuracy of 0.05 mm or less when approached from the side. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 551391
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Technical Specifications

Design: For T-slot
Conforms to standard: EN 60947-5-2
Certication: RCM compliance mark | c UL us - Listed (OL)
CE marking (see declaration of conformity): As per EU EMC directive | As per EU RoHS directive
UKCA marking (see declaration of conformity): To UK instructions for EMC | To UK RoHS instructions
KC characters: KC-EMV
Note on materials: RoHS compliant
Measured variable: Position
Measuring principle: Inductive
Rated operating distance: 1.5 mm
Reduction factors: Aluminum = 0.62 | Stainless steel V2A = 0.95 | Copper = 0.6 | Brass = 0.72 | Steel St 37 = 1.0
Ambient temperature: -25 °C...70 °C
Repetition accuracy under constant conditions: <= 0.05 mm, approach from the side
Switching output: PNP
Switching element function: NC contact
On time: 0.1 µs
Max. switching frequency: 4500 Hz
Max. output current: 150 mA
Max. switching capacity DC: 4.5 W
Voltage drop: 2 V
Inductive protective circuit: Installed
Minimum load current: 0 mA
Residual current: 10 µA
Short-circuit protection: Pulsed
Overload protection: Available
DC operating voltage range: 10 V...30 V

Engineering context

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Our sourcing response is prepared against Festo 551391. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.