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Products/Festo/551396
Festo 551396 Proximity sensor SIES-8M-NS-24V-K-7,5-OE
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Festo

551396

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

The Festo 551396 is an inductive industrial component designed for T-slot position measurement, conforming to EN 60947-5-2 with RCM, c UL us - Listed (OL), and KC-EMV certifications alongside CE and UKCA directives for EMC and RoHS. This RoHS-compliant sensor features a rated operating distance of 1.5 mm, a repetition accuracy of 0.05 mm or less when approached from the side, an NPN N.O. contact switching output, a max switching frequency of 4500 Hz, and a maximum output current of 150 mA within an ambient temperature range of -25 °C to 70 °C. Request a quote by submitting the exact part number, quantity, and application requirements.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer
Festo
Part number
551396
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 551396.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

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
NPN
Switching element function
N.O. 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

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 551396. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.